Bump Postgres version

.config/hakari.toml

@@ -46,9 +46,6 @@ workspace-members = [
     "utils",
     "wal_craft",
     "walproposer",
-    "postgres-protocol2",
-    "postgres-types2",
-    "tokio-postgres2",
 ]
 
 # Write out exact versions rather than a semver range. (Defaults to false.)

.github/actions/allure-report-generate/action.yml

@@ -43,8 +43,7 @@ runs:
         PR_NUMBER=$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH" || true)
         if [ "${PR_NUMBER}" != "null" ]; then
           BRANCH_OR_PR=pr-${PR_NUMBER}
-        elif [ "${GITHUB_REF_NAME}" = "main" ] || [ "${GITHUB_REF_NAME}" = "release" ] || \
-             [ "${GITHUB_REF_NAME}" = "release-proxy" ] || [ "${GITHUB_REF_NAME}" = "release-compute" ]; then
+        elif [ "${GITHUB_REF_NAME}" = "main" ] || [ "${GITHUB_REF_NAME}" = "release" ] || [ "${GITHUB_REF_NAME}" = "release-proxy" ]; then
           # Shortcut for special branches
           BRANCH_OR_PR=${GITHUB_REF_NAME}
         else

.github/actions/allure-report-store/action.yml

@@ -23,8 +23,7 @@ runs:
         PR_NUMBER=$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH" || true)
         if [ "${PR_NUMBER}" != "null" ]; then
           BRANCH_OR_PR=pr-${PR_NUMBER}
-        elif [ "${GITHUB_REF_NAME}" = "main" ] || [ "${GITHUB_REF_NAME}" = "release" ] || \
-             [ "${GITHUB_REF_NAME}" = "release-proxy" ] || [ "${GITHUB_REF_NAME}" = "release-compute" ]; then
+        elif [ "${GITHUB_REF_NAME}" = "main" ] || [ "${GITHUB_REF_NAME}" = "release" ] || [ "${GITHUB_REF_NAME}" = "release-proxy" ]; then
           # Shortcut for special branches
           BRANCH_OR_PR=${GITHUB_REF_NAME}
         else

.github/actions/run-python-test-set/action.yml

@@ -36,8 +36,8 @@ inputs:
     description: 'Region name for real s3 tests'
     required: false
     default: ''
-  rerun_failed:
-    description: 'Whether to rerun failed tests'
+  rerun_flaky:
+    description: 'Whether to rerun flaky tests'
     required: false
     default: 'false'
   pg_version:
@@ -108,7 +108,7 @@ runs:
         COMPATIBILITY_SNAPSHOT_DIR: /tmp/compatibility_snapshot_pg${{ inputs.pg_version }}
         ALLOW_BACKWARD_COMPATIBILITY_BREAKAGE: contains(github.event.pull_request.labels.*.name, 'backward compatibility breakage')
         ALLOW_FORWARD_COMPATIBILITY_BREAKAGE: contains(github.event.pull_request.labels.*.name, 'forward compatibility breakage')
-        RERUN_FAILED: ${{ inputs.rerun_failed }}
+        RERUN_FLAKY: ${{ inputs.rerun_flaky }}
         PG_VERSION: ${{ inputs.pg_version }}
       shell: bash -euxo pipefail {0}
       run: |
@@ -154,8 +154,15 @@ runs:
           EXTRA_PARAMS="--out-dir $PERF_REPORT_DIR $EXTRA_PARAMS"
         fi
 
-        if [ "${RERUN_FAILED}" == "true" ]; then
-          EXTRA_PARAMS="--reruns 2 $EXTRA_PARAMS"
+        if [ "${RERUN_FLAKY}" == "true" ]; then
+          mkdir -p $TEST_OUTPUT
+          poetry run ./scripts/flaky_tests.py "${TEST_RESULT_CONNSTR}" \
+                                              --days 7 \
+                                              --output "$TEST_OUTPUT/flaky.json" \
+                                              --pg-version "${DEFAULT_PG_VERSION}" \
+                                              --build-type "${BUILD_TYPE}"
+
+          EXTRA_PARAMS="--flaky-tests-json $TEST_OUTPUT/flaky.json $EXTRA_PARAMS"
         fi
 
         # We use pytest-split plugin to run benchmarks in parallel on different CI runners

.github/workflows/_build-and-test-locally.yml

@@ -19,8 +19,8 @@ on:
         description: 'debug or release'
         required: true
         type: string
-      test-cfg:
-        description: 'a json object of postgres versions and lfc states to run regression tests on'
+      pg-versions:
+        description: 'a json array of postgres versions to run regression tests on'
         required: true
         type: string
 
@@ -276,14 +276,14 @@ jobs:
       options: --init --shm-size=512mb --ulimit memlock=67108864:67108864
     strategy:
       fail-fast: false
-      matrix: ${{ fromJSON(format('{{"include":{0}}}', inputs.test-cfg)) }}
+      matrix:
+        pg_version: ${{ fromJson(inputs.pg-versions) }}
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: true
 
       - name: Pytest regression tests
-        continue-on-error: ${{ matrix.lfc_state == 'with-lfc' }}
         uses: ./.github/actions/run-python-test-set
         timeout-minutes: 60
         with:
@@ -293,14 +293,13 @@ jobs:
           run_with_real_s3: true
           real_s3_bucket: neon-github-ci-tests
           real_s3_region: eu-central-1
-          rerun_failed: true
+          rerun_flaky: true
           pg_version: ${{ matrix.pg_version }}
         env:
           TEST_RESULT_CONNSTR: ${{ secrets.REGRESS_TEST_RESULT_CONNSTR_NEW }}
           CHECK_ONDISK_DATA_COMPATIBILITY: nonempty
           BUILD_TAG: ${{ inputs.build-tag }}
           PAGESERVER_VIRTUAL_FILE_IO_ENGINE: tokio-epoll-uring
-          USE_LFC: ${{ matrix.lfc_state == 'with-lfc' && 'true' || 'false' }}
 
       # Temporary disable this step until we figure out why it's so flaky
       # Ref https://github.com/neondatabase/neon/issues/4540

.github/workflows/_create-release-pr.yml

@@ -21,7 +21,7 @@ defaults:
     shell: bash -euo pipefail {0}
 
 jobs:
-  create-release-branch:
+  create-storage-release-branch:
     runs-on: ubuntu-22.04
 
     permissions:

.github/workflows/benchmarking.yml

@@ -249,7 +249,7 @@ jobs:
 
     # Post both success and failure to the Slack channel
     - name: Post to a Slack channel
-      if: ${{ github.event.schedule && !cancelled() }}
+      if: ${{ github.event.schedule }}
       uses: slackapi/slack-github-action@v1
       with:
         channel-id: "C06T9AMNDQQ" # on-call-compute-staging-stream
@@ -541,7 +541,7 @@ jobs:
 
     runs-on: ${{ matrix.RUNNER }}
     container:
-      image: neondatabase/build-tools:pinned-bookworm
+      image: neondatabase/build-tools:pinned
       credentials:
         username: ${{ secrets.NEON_DOCKERHUB_USERNAME }}
         password: ${{ secrets.NEON_DOCKERHUB_PASSWORD }}
@@ -558,12 +558,12 @@ jobs:
         arch=$(uname -m | sed 's/x86_64/amd64/g' | sed 's/aarch64/arm64/g')
 
         cd /home/nonroot
-        wget -q "https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-17/libpq5_17.2-1.pgdg120+1_${arch}.deb"
-        wget -q "https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-client-16_16.6-1.pgdg120+1_${arch}.deb"
-        wget -q "https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-16_16.6-1.pgdg120+1_${arch}.deb"
-        dpkg -x libpq5_17.2-1.pgdg120+1_${arch}.deb pg
-        dpkg -x postgresql-16_16.6-1.pgdg120+1_${arch}.deb pg
-        dpkg -x postgresql-client-16_16.6-1.pgdg120+1_${arch}.deb pg
+        wget -q "https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-17/libpq5_17.2-1.pgdg110+1_${arch}.deb"
+        wget -q "https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-client-16_16.6-1.pgdg110+1_${arch}.deb"
+        wget -q "https://apt.postgresql.org/pub/repos/apt/pool/main/p/postgresql-16/postgresql-16_16.6-1.pgdg110+1_${arch}.deb"
+        dpkg -x libpq5_17.2-1.pgdg110+1_${arch}.deb pg
+        dpkg -x postgresql-16_16.6-1.pgdg110+1_${arch}.deb pg
+        dpkg -x postgresql-client-16_16.6-1.pgdg110+1_${arch}.deb pg
 
         mkdir -p /tmp/neon/pg_install/v16/bin
         ln -s /home/nonroot/pg/usr/lib/postgresql/16/bin/pgbench /tmp/neon/pg_install/v16/bin/pgbench

.github/workflows/build-build-tools-image.yml

@@ -2,17 +2,6 @@ name: Build build-tools image
 
 on:
   workflow_call:
-    inputs:
-      archs:
-        description: "Json array of architectures to build"
-        # Default values are set in `check-image` job, `set-variables` step
-        type: string
-        required: false
-      debians:
-        description: "Json array of Debian versions to build"
-        # Default values are set in `check-image` job, `set-variables` step
-        type: string
-        required: false
     outputs:
       image-tag:
         description: "build-tools tag"
@@ -43,37 +32,25 @@ jobs:
   check-image:
     runs-on: ubuntu-22.04
     outputs:
-      archs: ${{ steps.set-variables.outputs.archs }}
-      debians: ${{ steps.set-variables.outputs.debians }}
-      tag: ${{ steps.set-variables.outputs.image-tag }}
-      everything: ${{ steps.set-more-variables.outputs.everything }}
-      found: ${{ steps.set-more-variables.outputs.found }}
+      tag: ${{ steps.get-build-tools-tag.outputs.image-tag }}
+      found: ${{ steps.check-image.outputs.found }}
 
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set variables
-        id: set-variables
+      - name: Get build-tools image tag for the current commit
+        id: get-build-tools-tag
         env:
-          ARCHS: ${{ inputs.archs || '["x64","arm64"]' }}
-          DEBIANS: ${{ inputs.debians || '["bullseye","bookworm"]' }}
           IMAGE_TAG: |
             ${{ hashFiles('build-tools.Dockerfile',
                           '.github/workflows/build-build-tools-image.yml') }}
         run: |
-          echo "archs=${ARCHS}"           | tee -a ${GITHUB_OUTPUT}
-          echo "debians=${DEBIANS}"       | tee -a ${GITHUB_OUTPUT}
-          echo "image-tag=${IMAGE_TAG}"   | tee -a ${GITHUB_OUTPUT}
+          echo "image-tag=${IMAGE_TAG}" | tee -a $GITHUB_OUTPUT
 
-      - name: Set more variables
-        id: set-more-variables
+      - name: Check if such tag found in the registry
+        id: check-image
         env:
-          IMAGE_TAG: ${{ steps.set-variables.outputs.image-tag }}
-          EVERYTHING: |
-            ${{ contains(fromJson(steps.set-variables.outputs.archs), 'x64') &&
-                contains(fromJson(steps.set-variables.outputs.archs), 'arm64') &&
-                contains(fromJson(steps.set-variables.outputs.debians), 'bullseye') &&
-                contains(fromJson(steps.set-variables.outputs.debians), 'bookworm') }}
+          IMAGE_TAG: ${{ steps.get-build-tools-tag.outputs.image-tag }}
         run: |
           if docker manifest inspect neondatabase/build-tools:${IMAGE_TAG}; then
             found=true
@@ -81,8 +58,8 @@ jobs:
             found=false
           fi
 
-          echo "everything=${EVERYTHING}" | tee -a ${GITHUB_OUTPUT}
-          echo "found=${found}"           | tee -a ${GITHUB_OUTPUT}
+          echo "found=${found}" | tee -a $GITHUB_OUTPUT
+
 
   build-image:
     needs: [ check-image ]
@@ -90,8 +67,8 @@ jobs:
 
     strategy:
       matrix:
-        arch: ${{ fromJson(needs.check-image.outputs.archs) }}
-        debian: ${{ fromJson(needs.check-image.outputs.debians) }}
+        debian-version: [ bullseye, bookworm ]
+        arch: [ x64, arm64 ]
 
     runs-on: ${{ fromJson(format('["self-hosted", "{0}"]', matrix.arch == 'arm64' && 'large-arm64' || 'large')) }}
 
@@ -122,11 +99,11 @@ jobs:
           push: true
           pull: true
           build-args: |
-            DEBIAN_VERSION=${{ matrix.debian }}
-          cache-from: type=registry,ref=cache.neon.build/build-tools:cache-${{ matrix.debian }}-${{ matrix.arch }}
-          cache-to: ${{ github.ref_name == 'main' && format('type=registry,ref=cache.neon.build/build-tools:cache-{0}-{1},mode=max', matrix.debian, matrix.arch) || '' }}
+            DEBIAN_VERSION=${{ matrix.debian-version }}
+          cache-from: type=registry,ref=cache.neon.build/build-tools:cache-${{ matrix.debian-version }}-${{ matrix.arch }}
+          cache-to: ${{ github.ref_name == 'main' && format('type=registry,ref=cache.neon.build/build-tools:cache-{0}-{1},mode=max', matrix.debian-version, matrix.arch) || '' }}
           tags: |
-            neondatabase/build-tools:${{ needs.check-image.outputs.tag }}-${{ matrix.debian }}-${{ matrix.arch }}
+            neondatabase/build-tools:${{ needs.check-image.outputs.tag }}-${{ matrix.debian-version }}-${{ matrix.arch }}
 
   merge-images:
     needs: [ check-image, build-image ]
@@ -140,22 +117,16 @@ jobs:
 
       - name: Create multi-arch image
         env:
-          DEFAULT_DEBIAN_VERSION: bookworm
-          ARCHS: ${{ join(fromJson(needs.check-image.outputs.archs), ' ') }}
-          DEBIANS: ${{ join(fromJson(needs.check-image.outputs.debians), ' ') }}
-          EVERYTHING: ${{ needs.check-image.outputs.everything }}
+          DEFAULT_DEBIAN_VERSION: bullseye
           IMAGE_TAG: ${{ needs.check-image.outputs.tag }}
         run: |
-          for debian in ${DEBIANS}; do
-            tags=("-t" "neondatabase/build-tools:${IMAGE_TAG}-${debian}")
-
-            if [ "${EVERYTHING}" == "true" ] && [ "${debian}" == "${DEFAULT_DEBIAN_VERSION}" ]; then
+          for debian_version in bullseye bookworm; do
+            tags=("-t" "neondatabase/build-tools:${IMAGE_TAG}-${debian_version}")
+            if [ "${debian_version}" == "${DEFAULT_DEBIAN_VERSION}" ]; then
               tags+=("-t" "neondatabase/build-tools:${IMAGE_TAG}")
             fi
 
-            for arch in ${ARCHS}; do
-              tags+=("neondatabase/build-tools:${IMAGE_TAG}-${debian}-${arch}")
-            done
-
-            docker buildx imagetools create "${tags[@]}"
+            docker buildx imagetools create "${tags[@]}" \
+                                              neondatabase/build-tools:${IMAGE_TAG}-${debian_version}-x64 \
+                                              neondatabase/build-tools:${IMAGE_TAG}-${debian_version}-arm64
           done

.github/workflows/build_and_test.yml

@@ -6,7 +6,6 @@ on:
       - main
       - release
       - release-proxy
-      - release-compute
   pull_request:
 
 defaults:
@@ -71,10 +70,8 @@ jobs:
             echo "tag=release-$(git rev-list --count HEAD)" >> $GITHUB_OUTPUT
           elif [[ "$GITHUB_REF_NAME" == "release-proxy" ]]; then
             echo "tag=release-proxy-$(git rev-list --count HEAD)" >> $GITHUB_OUTPUT
-          elif [[ "$GITHUB_REF_NAME" == "release-compute" ]]; then
-            echo "tag=release-compute-$(git rev-list --count HEAD)" >> $GITHUB_OUTPUT
           else
-            echo "GITHUB_REF_NAME (value '$GITHUB_REF_NAME') is not set to either 'main' or 'release', 'release-proxy', 'release-compute'"
+            echo "GITHUB_REF_NAME (value '$GITHUB_REF_NAME') is not set to either 'main' or 'release'"
             echo "tag=$GITHUB_RUN_ID" >> $GITHUB_OUTPUT
           fi
         shell: bash
@@ -256,14 +253,7 @@ jobs:
       build-tag: ${{ needs.tag.outputs.build-tag }}
       build-type: ${{ matrix.build-type }}
       # Run tests on all Postgres versions in release builds and only on the latest version in debug builds
-      # run without LFC on v17 release only
-      test-cfg: |
-        ${{ matrix.build-type == 'release' && '[{"pg_version":"v14", "lfc_state": "without-lfc"},
-                                                {"pg_version":"v15", "lfc_state": "without-lfc"},
-                                                {"pg_version":"v16", "lfc_state": "without-lfc"},
-                                                {"pg_version":"v17", "lfc_state": "without-lfc"},
-                                                {"pg_version":"v17", "lfc_state": "with-lfc"}]'
-                                           || '[{"pg_version":"v17", "lfc_state": "without-lfc"}]' }}
+      pg-versions: ${{ matrix.build-type == 'release' && '["v14", "v15", "v16", "v17"]' || '["v17"]' }}
     secrets: inherit
 
   # Keep `benchmarks` job outside of `build-and-test-locally` workflow to make job failures non-blocking
@@ -516,7 +506,7 @@ jobs:
             })
 
   trigger-e2e-tests:
-    if: ${{ !github.event.pull_request.draft || contains( github.event.pull_request.labels.*.name, 'run-e2e-tests-in-draft') || github.ref_name == 'main' || github.ref_name == 'release' || github.ref_name == 'release-proxy' || github.ref_name == 'release-compute' }}
+    if: ${{ !github.event.pull_request.draft || contains( github.event.pull_request.labels.*.name, 'run-e2e-tests-in-draft') || github.ref_name == 'main' || github.ref_name == 'release' || github.ref_name == 'release-proxy' }}
     needs: [ check-permissions, promote-images, tag ]
     uses: ./.github/workflows/trigger-e2e-tests.yml
     secrets: inherit
@@ -672,7 +662,7 @@ jobs:
             neondatabase/compute-node-${{ matrix.version.pg }}:${{ needs.tag.outputs.build-tag }}-${{ matrix.version.debian }}-${{ matrix.arch }}
 
       - name: Build neon extensions test image
-        if: matrix.version.pg >= 'v16'
+        if: matrix.version.pg == 'v16'
         uses: docker/build-push-action@v6
         with:
           context: .
@@ -687,7 +677,8 @@ jobs:
           pull: true
           file: compute/compute-node.Dockerfile
           target: neon-pg-ext-test
-          cache-from: type=registry,ref=cache.neon.build/compute-node-${{ matrix.version.pg }}:cache-${{ matrix.version.debian }}-${{ matrix.arch }}
+          cache-from: type=registry,ref=cache.neon.build/neon-test-extensions-${{ matrix.version.pg }}:cache-${{ matrix.version.debian }}-${{ matrix.arch }}
+          cache-to: ${{ github.ref_name == 'main' && format('type=registry,ref=cache.neon.build/neon-test-extensions-{0}:cache-{1}-{2},mode=max', matrix.version.pg, matrix.version.debian, matrix.arch) || '' }}
           tags: |
             neondatabase/neon-test-extensions-${{ matrix.version.pg }}:${{needs.tag.outputs.build-tag}}-${{ matrix.version.debian }}-${{ matrix.arch }}
 
@@ -710,7 +701,7 @@ jobs:
           push: true
           pull: true
           file: compute/compute-node.Dockerfile
-          cache-from: type=registry,ref=cache.neon.build/compute-node-${{ matrix.version.pg }}:cache-${{ matrix.version.debian }}-${{ matrix.arch }}
+          cache-from: type=registry,ref=cache.neon.build/neon-test-extensions-${{ matrix.version.pg }}:cache-${{ matrix.version.debian }}-${{ matrix.arch }}
           cache-to: ${{ github.ref_name == 'main' && format('type=registry,ref=cache.neon.build/compute-tools-{0}:cache-{1}-{2},mode=max', matrix.version.pg, matrix.version.debian, matrix.arch) || '' }}
           tags: |
             neondatabase/compute-tools:${{ needs.tag.outputs.build-tag }}-${{ matrix.version.debian }}-${{ matrix.arch }}
@@ -746,7 +737,7 @@ jobs:
                                              neondatabase/compute-node-${{ matrix.version.pg }}:${{ needs.tag.outputs.build-tag }}-${{ matrix.version.debian }}-arm64
 
       - name: Create multi-arch neon-test-extensions image
-        if: matrix.version.pg >= 'v16'
+        if: matrix.version.pg == 'v16'
         run: |
           docker buildx imagetools create -t neondatabase/neon-test-extensions-${{ matrix.version.pg }}:${{ needs.tag.outputs.build-tag }} \
                                           -t neondatabase/neon-test-extensions-${{ matrix.version.pg }}:${{ needs.tag.outputs.build-tag }}-${{ matrix.version.debian }} \
@@ -835,7 +826,6 @@ jobs:
       fail-fast: false
       matrix:
         arch: [ x64, arm64 ]
-        pg_version: [v16, v17]
 
     runs-on: ${{ fromJson(format('["self-hosted", "{0}"]', matrix.arch == 'arm64' && 'small-arm64' || 'small')) }}
 
@@ -874,10 +864,7 @@ jobs:
 
       - name: Verify docker-compose example and test extensions
         timeout-minutes: 20
-        env:
-          TAG: ${{needs.tag.outputs.build-tag}}
-          TEST_VERSION_ONLY: ${{ matrix.pg_version }}
-        run: ./docker-compose/docker_compose_test.sh
+        run: env TAG=${{needs.tag.outputs.build-tag}} ./docker-compose/docker_compose_test.sh
 
       - name: Print logs and clean up
         if: always()
@@ -937,7 +924,7 @@ jobs:
                                               neondatabase/neon-test-extensions-v16:${{ needs.tag.outputs.build-tag }}
 
       - name: Configure AWS-prod credentials
-        if: github.ref_name == 'release'|| github.ref_name == 'release-proxy' || github.ref_name == 'release-compute'
+        if: github.ref_name == 'release'|| github.ref_name == 'release-proxy'
         uses: aws-actions/configure-aws-credentials@v4
         with:
           aws-region: eu-central-1
@@ -946,12 +933,12 @@ jobs:
 
       - name: Login to prod ECR
         uses: docker/login-action@v3
-        if: github.ref_name == 'release'|| github.ref_name == 'release-proxy' || github.ref_name == 'release-compute'
+        if: github.ref_name == 'release'|| github.ref_name == 'release-proxy'
         with:
           registry: 093970136003.dkr.ecr.eu-central-1.amazonaws.com
 
       - name: Copy all images to prod ECR
-        if: github.ref_name == 'release' || github.ref_name == 'release-proxy' || github.ref_name == 'release-compute'
+        if: github.ref_name == 'release'|| github.ref_name == 'release-proxy'
         run: |
           for image in neon compute-tools {vm-,}compute-node-{v14,v15,v16,v17}; do
             docker buildx imagetools create -t 093970136003.dkr.ecr.eu-central-1.amazonaws.com/${image}:${{ needs.tag.outputs.build-tag }} \
@@ -971,7 +958,7 @@ jobs:
       tenant_id: ${{ vars.AZURE_TENANT_ID }}
 
   push-to-acr-prod:
-    if: github.ref_name == 'release' || github.ref_name == 'release-proxy' || github.ref_name == 'release-compute'
+    if: github.ref_name == 'release'|| github.ref_name == 'release-proxy'
     needs: [ tag, promote-images ]
     uses: ./.github/workflows/_push-to-acr.yml
     with:
@@ -1059,7 +1046,7 @@ jobs:
   deploy:
     needs: [ check-permissions, promote-images, tag, build-and-test-locally, trigger-custom-extensions-build-and-wait, push-to-acr-dev, push-to-acr-prod ]
     # `!failure() && !cancelled()` is required because the workflow depends on the job that can be skipped: `push-to-acr-dev` and `push-to-acr-prod`
-    if: (github.ref_name == 'main' || github.ref_name == 'release' || github.ref_name == 'release-proxy' || github.ref_name == 'release-compute') && !failure() && !cancelled()
+    if: (github.ref_name == 'main' || github.ref_name == 'release' || github.ref_name == 'release-proxy') && !failure() && !cancelled()
 
     runs-on: [ self-hosted, small ]
     container: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/ansible:latest
@@ -1108,15 +1095,13 @@ jobs:
               -f deployProxyAuthBroker=true \
               -f branch=main \
               -f dockerTag=${{needs.tag.outputs.build-tag}}
-          elif [[ "$GITHUB_REF_NAME" == "release-compute" ]]; then
-            gh workflow --repo neondatabase/infra run deploy-compute-dev.yml --ref main -f dockerTag=${{needs.tag.outputs.build-tag}}
           else
-            echo "GITHUB_REF_NAME (value '$GITHUB_REF_NAME') is not set to either 'main', 'release', 'release-proxy' or 'release-compute'"
+            echo "GITHUB_REF_NAME (value '$GITHUB_REF_NAME') is not set to either 'main' or 'release'"
             exit 1
           fi
 
       - name: Create git tag
-        if: github.ref_name == 'release' || github.ref_name == 'release-proxy' || github.ref_name == 'release-compute'
+        if: github.ref_name == 'release' || github.ref_name == 'release-proxy'
         uses: actions/github-script@v7
         with:
           # Retry script for 5XX server errors: https://github.com/actions/github-script#retries

.github/workflows/ingest_benchmark.yml

@@ -26,7 +26,6 @@ concurrency:
 jobs:
   ingest:
     strategy:
-      fail-fast: false # allow other variants to continue even if one fails
       matrix:
         target_project: [new_empty_project, large_existing_project]  
     permissions:

.github/workflows/periodic_pagebench.yml

@@ -29,7 +29,7 @@ jobs:
   trigger_bench_on_ec2_machine_in_eu_central_1:
     runs-on: [ self-hosted, small ]
     container:
-      image: neondatabase/build-tools:pinned-bookworm
+      image: neondatabase/build-tools:pinned
       credentials:
         username: ${{ secrets.NEON_DOCKERHUB_USERNAME }}
         password: ${{ secrets.NEON_DOCKERHUB_PASSWORD }}

.github/workflows/pin-build-tools-image.yml

@@ -94,7 +94,7 @@ jobs:
 
       - name: Tag build-tools with `${{ env.TO_TAG }}` in Docker Hub, ECR, and ACR
         env:
-          DEFAULT_DEBIAN_VERSION: bookworm
+          DEFAULT_DEBIAN_VERSION: bullseye
         run: |
           for debian_version in bullseye bookworm; do
             tags=()

.github/workflows/pre-merge-checks.yml

@@ -23,8 +23,6 @@ jobs:
         id: python-src
         with:
           files: |
-            .github/workflows/_check-codestyle-python.yml
-            .github/workflows/build-build-tools-image.yml
             .github/workflows/pre-merge-checks.yml
             **/**.py
             poetry.lock
@@ -40,10 +38,6 @@ jobs:
     if: needs.get-changed-files.outputs.python-changed == 'true'
     needs: [ get-changed-files ]
     uses: ./.github/workflows/build-build-tools-image.yml
-    with:
-      # Build only one combination to save time
-      archs: '["x64"]'
-      debians: '["bookworm"]'
     secrets: inherit
 
   check-codestyle-python:
@@ -51,8 +45,7 @@ jobs:
     needs: [ get-changed-files, build-build-tools-image ]
     uses: ./.github/workflows/_check-codestyle-python.yml
     with:
-      # `-bookworm-x64` suffix should match the combination in `build-build-tools-image`
-      build-tools-image: ${{ needs.build-build-tools-image.outputs.image }}-bookworm-x64
+      build-tools-image: ${{ needs.build-build-tools-image.outputs.image }}-bookworm
     secrets: inherit
 
   # To get items from the merge queue merged into main we need to satisfy "Status checks that are required".

.github/workflows/release.yml

@@ -15,10 +15,6 @@ on:
         type: boolean
         description: 'Create Proxy release PR'
         required: false
-      create-compute-release-branch:
-        type: boolean
-        description: 'Create Compute release PR'
-        required: false
 
 # No permission for GITHUB_TOKEN by default; the **minimal required** set of permissions should be granted in each job.
 permissions: {}
@@ -29,20 +25,20 @@ defaults:
 
 jobs:
   create-storage-release-branch:
-    if: ${{ github.event.schedule == '0 6 * * MON' || inputs.create-storage-release-branch }}
+    if: ${{ github.event.schedule == '0 6 * * MON' || format('{0}', inputs.create-storage-release-branch) == 'true' }}
 
     permissions:
       contents: write
 
     uses: ./.github/workflows/_create-release-pr.yml
     with:
-      component-name: 'Storage'
+      component-name: 'Storage & Compute'
       release-branch: 'release'
     secrets:
       ci-access-token: ${{ secrets.CI_ACCESS_TOKEN }}
 
   create-proxy-release-branch:
-    if: ${{ github.event.schedule == '0 6 * * THU' || inputs.create-proxy-release-branch }}
+    if: ${{ github.event.schedule == '0 6 * * THU' || format('{0}', inputs.create-proxy-release-branch) == 'true' }}
 
     permissions:
       contents: write
@@ -53,16 +49,3 @@ jobs:
       release-branch: 'release-proxy'
     secrets:
       ci-access-token: ${{ secrets.CI_ACCESS_TOKEN }}
-
-  create-compute-release-branch:
-    if: inputs.create-compute-release-branch
-
-    permissions:
-      contents: write
-
-    uses: ./.github/workflows/_create-release-pr.yml
-    with:
-      component-name: 'Compute'
-      release-branch: 'release-compute'
-    secrets:
-      ci-access-token: ${{ secrets.CI_ACCESS_TOKEN }}

.github/workflows/trigger-e2e-tests.yml

@@ -51,8 +51,6 @@ jobs:
             echo "tag=release-$(git rev-list --count HEAD)" | tee -a $GITHUB_OUTPUT
           elif [[ "$GITHUB_REF_NAME" == "release-proxy" ]]; then
             echo "tag=release-proxy-$(git rev-list --count HEAD)" >> $GITHUB_OUTPUT
-          elif [[ "$GITHUB_REF_NAME" == "release-compute" ]]; then
-            echo "tag=release-compute-$(git rev-list --count HEAD)" >> $GITHUB_OUTPUT
           else
             echo "GITHUB_REF_NAME (value '$GITHUB_REF_NAME') is not set to either 'main' or 'release'"
             BUILD_AND_TEST_RUN_ID=$(gh run list -b $CURRENT_BRANCH -c $CURRENT_SHA -w 'Build and Test' -L 1 --json databaseId --jq '.[].databaseId')

CODEOWNERS

@@ -2,7 +2,6 @@
 /compute_tools/ @neondatabase/control-plane @neondatabase/compute
 /libs/pageserver_api/ @neondatabase/storage
 /libs/postgres_ffi/ @neondatabase/compute @neondatabase/storage
-/libs/proxy/ @neondatabase/proxy
 /libs/remote_storage/ @neondatabase/storage
 /libs/safekeeper_api/ @neondatabase/storage
 /libs/vm_monitor/ @neondatabase/autoscaling

Cargo.toml

@@ -35,9 +35,6 @@ members = [
     "libs/walproposer",
     "libs/wal_decoder",
     "libs/postgres_initdb",
-    "libs/proxy/postgres-protocol2",
-    "libs/proxy/postgres-types2",
-    "libs/proxy/tokio-postgres2",
 ]
 
 [workspace.package]
@@ -74,7 +71,7 @@ bindgen = "0.70"
 bit_field = "0.10.2"
 bstr = "1.0"
 byteorder = "1.4"
-bytes = "1.9"
+bytes = "1.0"
 camino = "1.1.6"
 cfg-if = "1.0.0"
 chrono = { version = "0.4", default-features = false, features = ["clock"] }
@@ -83,7 +80,6 @@ comfy-table = "7.1"
 const_format = "0.2"
 crc32c = "0.6"
 dashmap = { version = "5.5.0", features = ["raw-api"] }
-diatomic-waker = { version = "0.2.3" }
 either = "1.8"
 enum-map = "2.4.2"
 enumset = "1.0.12"
@@ -115,7 +111,6 @@ indoc = "2"
 ipnet = "2.10.0"
 itertools = "0.10"
 itoa = "1.0.11"
-jemalloc_pprof = "0.6"
 jsonwebtoken = "9"
 lasso = "0.7"
 libc = "0.2"
@@ -128,10 +123,10 @@ notify = "6.0.0"
 num_cpus = "1.15"
 num-traits = "0.2.15"
 once_cell = "1.13"
-opentelemetry = "0.26"
-opentelemetry_sdk = "0.26"
-opentelemetry-otlp = { version = "0.26", default-features=false, features = ["http-proto", "trace", "http", "reqwest-client"] }
-opentelemetry-semantic-conventions = "0.26"
+opentelemetry = "0.24"
+opentelemetry_sdk = "0.24"
+opentelemetry-otlp = { version = "0.17", default-features=false, features = ["http-proto", "trace", "http", "reqwest-client"] }
+opentelemetry-semantic-conventions = "0.16"
 parking_lot = "0.12"
 parquet = { version = "53", default-features = false, features = ["zstd"] }
 parquet_derive = "53"
@@ -145,9 +140,9 @@ rand = "0.8"
 redis = { version = "0.25.2", features = ["tokio-rustls-comp", "keep-alive"] }
 regex = "1.10.2"
 reqwest = { version = "0.12", default-features = false, features = ["rustls-tls"] }
-reqwest-tracing = { version = "0.5", features = ["opentelemetry_0_26"] }
-reqwest-middleware = "0.4"
-reqwest-retry = "0.7"
+reqwest-tracing = { version = "0.5", features = ["opentelemetry_0_24"] }
+reqwest-middleware = "0.3.0"
+reqwest-retry = "0.5"
 routerify = "3"
 rpds = "0.13"
 rustc-hash = "1.1.0"
@@ -176,7 +171,7 @@ sync_wrapper = "0.1.2"
 tar = "0.4"
 test-context = "0.3"
 thiserror = "1.0"
-tikv-jemallocator = { version = "0.6", features = ["profiling", "stats", "unprefixed_malloc_on_supported_platforms"] }
+tikv-jemallocator = { version = "0.6", features = ["stats"] }
 tikv-jemalloc-ctl = { version = "0.6", features = ["stats"] }
 tokio = { version = "1.17", features = ["macros"] }
 tokio-epoll-uring = { git = "https://github.com/neondatabase/tokio-epoll-uring.git" , branch = "main" }
@@ -192,7 +187,7 @@ tonic = {version = "0.12.3", features = ["tls", "tls-roots"]}
 tower-service = "0.3.2"
 tracing = "0.1"
 tracing-error = "0.2"
-tracing-opentelemetry = "0.27"
+tracing-opentelemetry = "0.25"
 tracing-subscriber = { version = "0.3", default-features = false, features = ["smallvec", "fmt", "tracing-log", "std", "env-filter", "json"] }
 try-lock = "0.2.5"
 twox-hash = { version = "1.6.3", default-features = false }

Dockerfile

@@ -7,7 +7,7 @@ ARG IMAGE=build-tools
 ARG TAG=pinned
 ARG DEFAULT_PG_VERSION=17
 ARG STABLE_PG_VERSION=16
-ARG DEBIAN_VERSION=bookworm
+ARG DEBIAN_VERSION=bullseye
 ARG DEBIAN_FLAVOR=${DEBIAN_VERSION}-slim
 
 # Build Postgres

Makefile

@@ -38,7 +38,6 @@ ifeq ($(UNAME_S),Linux)
 	# Seccomp BPF is only available for Linux
 	PG_CONFIGURE_OPTS += --with-libseccomp
 else ifeq ($(UNAME_S),Darwin)
-	PG_CFLAGS += -DUSE_PREFETCH
 	ifndef DISABLE_HOMEBREW
 		# macOS with brew-installed openssl requires explicit paths
 		# It can be configured with OPENSSL_PREFIX variable
@@ -147,8 +146,6 @@ postgres-%: postgres-configure-% \
 	$(MAKE) -C $(POSTGRES_INSTALL_DIR)/build/$*/contrib/pg_prewarm install
 	+@echo "Compiling pg_buffercache $*"
 	$(MAKE) -C $(POSTGRES_INSTALL_DIR)/build/$*/contrib/pg_buffercache install
-	+@echo "Compiling pg_visibility $*"
-	$(MAKE) -C $(POSTGRES_INSTALL_DIR)/build/$*/contrib/pg_visibility install
 	+@echo "Compiling pageinspect $*"
 	$(MAKE) -C $(POSTGRES_INSTALL_DIR)/build/$*/contrib/pageinspect install
 	+@echo "Compiling amcheck $*"

build-tools.Dockerfile

@@ -1,4 +1,4 @@
-ARG DEBIAN_VERSION=bookworm
+ARG DEBIAN_VERSION=bullseye
 
 FROM debian:bookworm-slim AS pgcopydb_builder
 ARG DEBIAN_VERSION
@@ -57,9 +57,9 @@ RUN mkdir -p /pgcopydb/bin && \
     mkdir -p /pgcopydb/lib && \
     chmod -R 755 /pgcopydb && \
     chown -R nonroot:nonroot /pgcopydb
-
-COPY --from=pgcopydb_builder /usr/lib/postgresql/16/bin/pgcopydb /pgcopydb/bin/pgcopydb
-COPY --from=pgcopydb_builder /pgcopydb/lib/libpq.so.5 /pgcopydb/lib/libpq.so.5
+        
+COPY --from=pgcopydb_builder /usr/lib/postgresql/16/bin/pgcopydb /pgcopydb/bin/pgcopydb 
+COPY --from=pgcopydb_builder /pgcopydb/lib/libpq.so.5 /pgcopydb/lib/libpq.so.5 
 
 # System deps
 #
@@ -258,14 +258,14 @@ WORKDIR /home/nonroot
 
 # Rust
 # Please keep the version of llvm (installed above) in sync with rust llvm (`rustc --version --verbose | grep LLVM`)
-ENV RUSTC_VERSION=1.83.0
+ENV RUSTC_VERSION=1.82.0
 ENV RUSTUP_HOME="/home/nonroot/.rustup"
 ENV PATH="/home/nonroot/.cargo/bin:${PATH}"
 ARG RUSTFILT_VERSION=0.2.1
-ARG CARGO_HAKARI_VERSION=0.9.33
-ARG CARGO_DENY_VERSION=0.16.2
-ARG CARGO_HACK_VERSION=0.6.33
-ARG CARGO_NEXTEST_VERSION=0.9.85
+ARG CARGO_HAKARI_VERSION=0.9.30
+ARG CARGO_DENY_VERSION=0.16.1
+ARG CARGO_HACK_VERSION=0.6.31
+ARG CARGO_NEXTEST_VERSION=0.9.72
 RUN curl -sSO https://static.rust-lang.org/rustup/dist/$(uname -m)-unknown-linux-gnu/rustup-init && whoami && \
 	chmod +x rustup-init && \
 	./rustup-init -y --default-toolchain ${RUSTC_VERSION} && \
@@ -289,7 +289,7 @@ RUN whoami \
     && cargo --version --verbose \
     && rustup --version --verbose \
     && rustc --version --verbose \
-    && clang --version
+    && clang --version 
 
 RUN if [ "${DEBIAN_VERSION}" = "bookworm" ]; then \
     LD_LIBRARY_PATH=/pgcopydb/lib /pgcopydb/bin/pgcopydb --version; \

compute/compute-node.Dockerfile

@@ -3,7 +3,7 @@ ARG REPOSITORY=neondatabase
 ARG IMAGE=build-tools
 ARG TAG=pinned
 ARG BUILD_TAG
-ARG DEBIAN_VERSION=bookworm
+ARG DEBIAN_VERSION=bullseye
 ARG DEBIAN_FLAVOR=${DEBIAN_VERSION}-slim
 
 #########################################################################################
@@ -14,9 +14,6 @@ ARG DEBIAN_FLAVOR=${DEBIAN_VERSION}-slim
 FROM debian:$DEBIAN_FLAVOR AS build-deps
 ARG DEBIAN_VERSION
 
-# Use strict mode for bash to catch errors early
-SHELL ["/bin/bash", "-euo", "pipefail", "-c"]
-
 RUN case $DEBIAN_VERSION in \
       # Version-specific installs for Bullseye (PG14-PG16):
       # The h3_pg extension needs a cmake 3.20+, but Debian bullseye has 3.18.
@@ -109,7 +106,6 @@ RUN cd postgres && \
 #
 #########################################################################################
 FROM build-deps AS postgis-build
-ARG DEBIAN_VERSION
 ARG PG_VERSION
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 RUN apt update && \
@@ -126,12 +122,12 @@ RUN apt update && \
 # and also we must check backward compatibility with older versions of PostGIS.
 #
 # Use new version only for v17
-RUN case "${DEBIAN_VERSION}" in \
-    "bookworm") \
+RUN case "${PG_VERSION}" in \
+    "v17") \
         export SFCGAL_VERSION=1.4.1 \
         export SFCGAL_CHECKSUM=1800c8a26241588f11cddcf433049e9b9aea902e923414d2ecef33a3295626c3 \
     ;; \
-    "bullseye") \
+    "v14" | "v15" | "v16") \
         export SFCGAL_VERSION=1.3.10 \
         export SFCGAL_CHECKSUM=4e39b3b2adada6254a7bdba6d297bb28e1a9835a9f879b74f37e2dab70203232 \
     ;; \
@@ -232,8 +228,6 @@ FROM build-deps AS plv8-build
 ARG PG_VERSION
 COPY --from=pg-build /usr/local/pgsql/ /usr/local/pgsql/
 
-COPY compute/patches/plv8-3.1.10.patch /plv8-3.1.10.patch
-
 RUN apt update && \
     apt install --no-install-recommends -y ninja-build python3-dev libncurses5 binutils clang
 
@@ -245,6 +239,8 @@ RUN apt update && \
 #
 # Use new version only for v17
 # because since v3.2, plv8 doesn't include plcoffee and plls extensions
+ENV PLV8_TAG=v3.2.3
+
 RUN case "${PG_VERSION}" in \
     "v17") \
         export PLV8_TAG=v3.2.3 \
@@ -259,9 +255,8 @@ RUN case "${PG_VERSION}" in \
     git clone --recurse-submodules --depth 1 --branch ${PLV8_TAG} https://github.com/plv8/plv8.git plv8-src && \
     tar -czf plv8.tar.gz --exclude .git plv8-src && \
     cd plv8-src && \
-    if [[ "${PG_VERSION}" < "v17" ]]; then patch -p1 < /plv8-3.1.10.patch; fi && \
     # generate and copy upgrade scripts
-    mkdir -p upgrade && ./generate_upgrade.sh ${PLV8_TAG#v} && \
+    mkdir -p upgrade && ./generate_upgrade.sh 3.1.10 && \
     cp upgrade/* /usr/local/pgsql/share/extension/ && \
     export PATH="/usr/local/pgsql/bin:$PATH" && \
     make DOCKER=1 -j $(getconf _NPROCESSORS_ONLN) install && \
@@ -358,10 +353,10 @@ COPY compute/patches/pgvector.patch /pgvector.patch
 # because we build the images on different machines than where we run them.
 # Pass OPTFLAGS="" to remove it.
 #
-# vector >0.7.4 supports v17
-# last release v0.8.0 - Oct 30, 2024
-RUN wget https://github.com/pgvector/pgvector/archive/refs/tags/v0.8.0.tar.gz -O pgvector.tar.gz && \
-    echo "867a2c328d4928a5a9d6f052cd3bc78c7d60228a9b914ad32aa3db88e9de27b0 pgvector.tar.gz" | sha256sum --check && \
+# vector 0.7.4 supports v17
+# last release v0.7.4 - Aug 5, 2024
+RUN wget https://github.com/pgvector/pgvector/archive/refs/tags/v0.7.4.tar.gz -O pgvector.tar.gz && \
+    echo "0341edf89b1924ae0d552f617e14fb7f8867c0194ed775bcc44fa40288642583 pgvector.tar.gz" | sha256sum --check && \
     mkdir pgvector-src && cd pgvector-src && tar xzf ../pgvector.tar.gz --strip-components=1 -C . && \
     patch -p1 < /pgvector.patch && \
     make -j $(getconf _NPROCESSORS_ONLN) OPTFLAGS="" PG_CONFIG=/usr/local/pgsql/bin/pg_config && \
@@ -1367,12 +1362,15 @@ RUN make PG_VERSION="${PG_VERSION}" -C compute
 
 FROM neon-pg-ext-build AS neon-pg-ext-test
 ARG PG_VERSION
-RUN mkdir /ext-src
+RUN case "${PG_VERSION}" in "v17") \
+    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
+    esac && \
+    mkdir /ext-src
 
 #COPY --from=postgis-build /postgis.tar.gz /ext-src/
 #COPY --from=postgis-build /sfcgal/* /usr
 COPY --from=plv8-build /plv8.tar.gz /ext-src/
-#COPY --from=h3-pg-build /h3-pg.tar.gz /ext-src/
+COPY --from=h3-pg-build /h3-pg.tar.gz /ext-src/
 COPY --from=unit-pg-build /postgresql-unit.tar.gz /ext-src/
 COPY --from=vector-pg-build /pgvector.tar.gz /ext-src/
 COPY --from=vector-pg-build /pgvector.patch /ext-src/
@@ -1392,7 +1390,7 @@ COPY --from=hll-pg-build /hll.tar.gz /ext-src
 COPY --from=plpgsql-check-pg-build /plpgsql_check.tar.gz /ext-src
 #COPY --from=timescaledb-pg-build /timescaledb.tar.gz /ext-src
 COPY --from=pg-hint-plan-pg-build /pg_hint_plan.tar.gz /ext-src
-COPY compute/patches/pg_hint_plan_${PG_VERSION}.patch /ext-src
+COPY compute/patches/pg_hint_plan.patch /ext-src
 COPY --from=pg-cron-pg-build /pg_cron.tar.gz /ext-src
 COPY compute/patches/pg_cron.patch /ext-src
 #COPY --from=pg-pgx-ulid-build /home/nonroot/pgx_ulid.tar.gz /ext-src
@@ -1402,23 +1400,38 @@ COPY --from=pg-roaringbitmap-pg-build /pg_roaringbitmap.tar.gz /ext-src
 COPY --from=pg-semver-pg-build /pg_semver.tar.gz /ext-src
 #COPY --from=pg-embedding-pg-build /home/nonroot/pg_embedding-src/ /ext-src
 #COPY --from=wal2json-pg-build /wal2json_2_5.tar.gz /ext-src
-#pg_anon is not supported yet for pg v17 so, don't fail if nothing found
-COPY --from=pg-anon-pg-build /pg_anon.tar.g? /ext-src
+COPY --from=pg-anon-pg-build /pg_anon.tar.gz /ext-src
 COPY compute/patches/pg_anon.patch /ext-src
 COPY --from=pg-ivm-build /pg_ivm.tar.gz /ext-src
 COPY --from=pg-partman-build /pg_partman.tar.gz /ext-src
-RUN cd /ext-src/ && for f in *.tar.gz; \
+RUN case "${PG_VERSION}" in "v17") \
+    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
+    esac && \
+    cd /ext-src/ && for f in *.tar.gz; \
     do echo $f; dname=$(echo $f | sed 's/\.tar.*//')-src; \
     rm -rf $dname; mkdir $dname; tar xzf $f --strip-components=1 -C $dname \
     || exit 1; rm -f $f; done
-RUN cd /ext-src/rum-src && patch -p1 <../rum.patch
-RUN cd /ext-src/pgvector-src && patch -p1 <../pgvector.patch
-RUN cd /ext-src/pg_hint_plan-src && patch -p1 < /ext-src/pg_hint_plan_${PG_VERSION}.patch
+RUN case "${PG_VERSION}" in "v17") \
+    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
+    esac && \
+    cd /ext-src/rum-src && patch -p1 <../rum.patch
+RUN case "${PG_VERSION}" in "v17") \
+    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
+    esac && \
+    cd /ext-src/pgvector-src && patch -p1 <../pgvector.patch
+RUN case "${PG_VERSION}" in "v17") \
+    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
+    esac && \
+    cd /ext-src/pg_hint_plan-src && patch -p1 < /ext-src/pg_hint_plan.patch
 COPY --chmod=755 docker-compose/run-tests.sh /run-tests.sh
 RUN case "${PG_VERSION}" in "v17") \
-    echo "postgresql_anonymizer does not yet support PG17" && exit 0;; \
-    esac && patch -p1 </ext-src/pg_anon.patch
-RUN patch -p1 </ext-src/pg_cron.patch
+    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
+    esac && \
+    patch -p1 </ext-src/pg_anon.patch
+RUN case "${PG_VERSION}" in "v17") \
+    echo "v17 extensions are not supported yet. Quit" && exit 0;; \
+    esac && \
+    patch -p1 </ext-src/pg_cron.patch
 ENV PATH=/usr/local/pgsql/bin:$PATH
 ENV PGHOST=compute
 ENV PGPORT=55433

compute/etc/neon_collector.jsonnet

@@ -6,7 +6,6 @@
     import 'sql_exporter/compute_backpressure_throttling_seconds.libsonnet',
     import 'sql_exporter/compute_current_lsn.libsonnet',
     import 'sql_exporter/compute_logical_snapshot_files.libsonnet',
-    import 'sql_exporter/compute_logical_snapshots_bytes.libsonnet',
     import 'sql_exporter/compute_max_connections.libsonnet',
     import 'sql_exporter/compute_receive_lsn.libsonnet',
     import 'sql_exporter/compute_subscriptions_count.libsonnet',

compute/etc/pgbouncer.ini

@@ -1,9 +1,5 @@
 [databases]
-;; pgbouncer propagates application_name (if it's specified) to the server, but some
-;; clients don't set it. We set default application_name=pgbouncer to make it
-;; easier to identify pgbouncer connections in Postgres. If client sets
-;; application_name, it will be used instead.
-*=host=localhost port=5432 auth_user=cloud_admin application_name=pgbouncer
+*=host=localhost port=5432 auth_user=cloud_admin
 [pgbouncer]
 listen_port=6432
 listen_addr=0.0.0.0

compute/etc/sql_exporter/compute_logical_snapshots_bytes.15.sql

@@ -1,7 +0,0 @@
-SELECT
-  (SELECT current_setting('neon.timeline_id')) AS timeline_id,
-  -- Postgres creates temporary snapshot files of the form %X-%X.snap.%d.tmp.
-  -- These temporary snapshot files are renamed to the actual snapshot files
-  -- after they are completely built. We only WAL-log the completely built
-  -- snapshot files
-  (SELECT COALESCE(sum(size), 0) FROM pg_ls_logicalsnapdir() WHERE name LIKE '%.snap') AS logical_snapshots_bytes;

compute/etc/sql_exporter/compute_logical_snapshots_bytes.libsonnet

@@ -1,17 +0,0 @@
-local neon = import 'neon.libsonnet';
-
-local pg_ls_logicalsnapdir = importstr 'sql_exporter/compute_logical_snapshots_bytes.15.sql';
-local pg_ls_dir = importstr 'sql_exporter/compute_logical_snapshots_bytes.sql';
-
-{
-  metric_name: 'compute_logical_snapshots_bytes',
-  type: 'gauge',
-  help: 'Size of the pg_logical/snapshots directory, not including temporary files',
-  key_labels: [
-    'timeline_id',
-  ],
-  values: [
-    'logical_snapshots_bytes',
-  ],
-  query: if neon.PG_MAJORVERSION_NUM < 15 then pg_ls_dir else pg_ls_logicalsnapdir,
-}

compute/etc/sql_exporter/compute_logical_snapshots_bytes.sql

@@ -1,9 +0,0 @@
-SELECT
-  (SELECT setting FROM pg_settings WHERE name = 'neon.timeline_id') AS timeline_id,
-  -- Postgres creates temporary snapshot files of the form %X-%X.snap.%d.tmp.
-  -- These temporary snapshot files are renamed to the actual snapshot files
-  -- after they are completely built. We only WAL-log the completely built
-  -- snapshot files
-  (SELECT COALESCE(sum((pg_stat_file('pg_logical/snapshots/' || name, missing_ok => true)).size), 0)
-    FROM (SELECT * FROM pg_ls_dir('pg_logical/snapshots') WHERE pg_ls_dir LIKE '%.snap') AS name
-  ) AS logical_snapshots_bytes;

compute/patches/pg_hint_plan_v17.patch

@@ -1,174 +0,0 @@
-diff --git a/expected/ut-A.out b/expected/ut-A.out
-index e7d68a1..65a056c 100644
---- a/expected/ut-A.out
-+++ b/expected/ut-A.out
-@@ -9,13 +9,16 @@ SET search_path TO public;
- ----
- -- No.A-1-1-3
- CREATE EXTENSION pg_hint_plan;
-+LOG:  Sending request to compute_ctl: http://localhost:3080/extension_server/pg_hint_plan
- -- No.A-1-2-3
- DROP EXTENSION pg_hint_plan;
- -- No.A-1-1-4
- CREATE SCHEMA other_schema;
- CREATE EXTENSION pg_hint_plan SCHEMA other_schema;
-+LOG:  Sending request to compute_ctl: http://localhost:3080/extension_server/pg_hint_plan
- ERROR:  extension "pg_hint_plan" must be installed in schema "hint_plan"
- CREATE EXTENSION pg_hint_plan;
-+LOG:  Sending request to compute_ctl: http://localhost:3080/extension_server/pg_hint_plan
- DROP SCHEMA other_schema;
- ----
- ---- No. A-5-1 comment pattern
-diff --git a/expected/ut-J.out b/expected/ut-J.out
-index 2fa3c70..314e929 100644
---- a/expected/ut-J.out
-+++ b/expected/ut-J.out
-@@ -789,38 +789,6 @@ NestLoop(st1 st2)
- MergeJoin(t1 t2)
- not used hint:
- duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--NestLoop(st1 st2)
--MergeJoin(t1 t2)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--NestLoop(st1 st2)
--MergeJoin(t1 t2)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--NestLoop(st1 st2)
--MergeJoin(t1 t2)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--NestLoop(st1 st2)
--MergeJoin(t1 t2)
--duplication hint:
- error hint:
- 
-                                        explain_filter                                        
-diff --git a/expected/ut-S.out b/expected/ut-S.out
-index 0bfcfb8..e75f581 100644
---- a/expected/ut-S.out
-+++ b/expected/ut-S.out
-@@ -4415,34 +4415,6 @@ used hint:
- IndexScan(ti1 ti1_pred)
- not used hint:
- duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(ti1 ti1_pred)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(ti1 ti1_pred)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(ti1 ti1_pred)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(ti1 ti1_pred)
--duplication hint:
- error hint:
- 
-                     explain_filter                     
-diff --git a/expected/ut-W.out b/expected/ut-W.out
-index a09bd34..0ad227c 100644
---- a/expected/ut-W.out
-+++ b/expected/ut-W.out
-@@ -1341,54 +1341,6 @@ IndexScan(ft1)
- IndexScan(t)
- Parallel(s1 3 hard)
- duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(*VALUES*)
--SeqScan(cte1)
--IndexScan(ft1)
--IndexScan(t)
--Parallel(p1 5 hard)
--Parallel(s1 3 hard)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(*VALUES*)
--SeqScan(cte1)
--IndexScan(ft1)
--IndexScan(t)
--Parallel(p1 5 hard)
--Parallel(s1 3 hard)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(*VALUES*)
--SeqScan(cte1)
--IndexScan(ft1)
--IndexScan(t)
--Parallel(p1 5 hard)
--Parallel(s1 3 hard)
--duplication hint:
--error hint:
--
--LOG:  pg_hint_plan:
--used hint:
--not used hint:
--IndexScan(*VALUES*)
--SeqScan(cte1)
--IndexScan(ft1)
--IndexScan(t)
--Parallel(p1 5 hard)
--Parallel(s1 3 hard)
--duplication hint:
- error hint:
- 
-                     explain_filter                    
-diff --git a/expected/ut-fdw.out b/expected/ut-fdw.out
-index 017fa4b..98d989b 100644
---- a/expected/ut-fdw.out
-+++ b/expected/ut-fdw.out
-@@ -7,6 +7,7 @@ SET pg_hint_plan.debug_print TO on;
- SET client_min_messages TO LOG;
- SET pg_hint_plan.enable_hint TO on;
- CREATE EXTENSION file_fdw;
-+LOG:  Sending request to compute_ctl: http://localhost:3080/extension_server/file_fdw
- CREATE SERVER file_server FOREIGN DATA WRAPPER file_fdw;
- CREATE USER MAPPING FOR PUBLIC SERVER file_server;
- CREATE FOREIGN TABLE ft1 (id int, val int) SERVER file_server OPTIONS (format 'csv', filename :'filename');

compute/patches/plv8-3.1.10.patch

@@ -1,42 +0,0 @@
-commit 46b38d3e46f9cd6c70d9b189dd6ff4abaa17cf5e
-Author: Alexander Bayandin <alexander@neon.tech>
-Date:   Sat Nov 30 18:29:32 2024 +0000
-
-    Fix v8 9.7.37 compilation on Debian 12
-
-diff --git a/patches/code/84cf3230a9680aac3b73c410c2b758760b6d3066.patch b/patches/code/84cf3230a9680aac3b73c410c2b758760b6d3066.patch
-new file mode 100644
-index 0000000..f0a5dc7
---- /dev/null
-+++ b/patches/code/84cf3230a9680aac3b73c410c2b758760b6d3066.patch
-@@ -0,0 +1,30 @@
-+From 84cf3230a9680aac3b73c410c2b758760b6d3066 Mon Sep 17 00:00:00 2001
-+From: Michael Lippautz <mlippautz@chromium.org>
-+Date: Thu, 27 Jan 2022 14:14:11 +0100
-+Subject: [PATCH] cppgc: Fix include
-+
-+Add <utility> to cover for std::exchange.
-+
-+Bug: v8:12585
-+Change-Id: Ida65144e93e466be8914527d0e646f348c136bcb
-+Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3420309
-+Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
-+Reviewed-by: Omer Katz <omerkatz@chromium.org>
-+Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
-+Cr-Commit-Position: refs/heads/main@{#78820}
-+---
-+ src/heap/cppgc/prefinalizer-handler.h | 1 +
-+ 1 file changed, 1 insertion(+)
-+
-+diff --git a/src/heap/cppgc/prefinalizer-handler.h b/src/heap/cppgc/prefinalizer-handler.h
-+index bc17c99b1838..c82c91ff5a45 100644
-+--- a/src/heap/cppgc/prefinalizer-handler.h
-++++ b/src/heap/cppgc/prefinalizer-handler.h
-+@@ -5,6 +5,7 @@
-+ #ifndef V8_HEAP_CPPGC_PREFINALIZER_HANDLER_H_
-+ #define V8_HEAP_CPPGC_PREFINALIZER_HANDLER_H_
-+ 
-++#include <utility>
-+ #include <vector>
-+ 
-+ #include "include/cppgc/prefinalizer.h"

compute_tools/src/bin/compute_ctl.rs

@@ -37,7 +37,6 @@ use std::collections::HashMap;
 use std::fs::File;
 use std::path::Path;
 use std::process::exit;
-use std::str::FromStr;
 use std::sync::atomic::Ordering;
 use std::sync::{mpsc, Arc, Condvar, Mutex, RwLock};
 use std::{thread, time::Duration};
@@ -59,7 +58,7 @@ use compute_tools::compute::{
     forward_termination_signal, ComputeNode, ComputeState, ParsedSpec, PG_PID,
 };
 use compute_tools::configurator::launch_configurator;
-use compute_tools::extension_server::get_pg_version_string;
+use compute_tools::extension_server::get_pg_version;
 use compute_tools::http::api::launch_http_server;
 use compute_tools::logger::*;
 use compute_tools::monitor::launch_monitor;
@@ -323,19 +322,11 @@ fn wait_spec(
     } else {
         spec_set = false;
     }
-    let connstr = Url::parse(connstr).context("cannot parse connstr as a URL")?;
-    let conn_conf = postgres::config::Config::from_str(connstr.as_str())
-        .context("cannot build postgres config from connstr")?;
-    let tokio_conn_conf = tokio_postgres::config::Config::from_str(connstr.as_str())
-        .context("cannot build tokio postgres config from connstr")?;
     let compute_node = ComputeNode {
-        connstr,
-        conn_conf,
-        tokio_conn_conf,
+        connstr: Url::parse(connstr).context("cannot parse connstr as a URL")?,
         pgdata: pgdata.to_string(),
         pgbin: pgbin.to_string(),
-        pgversion: get_pg_version_string(pgbin),
-        http_port,
+        pgversion: get_pg_version(pgbin),
         live_config_allowed,
         state: Mutex::new(new_state),
         state_changed: Condvar::new(),
@@ -390,6 +381,7 @@ fn wait_spec(
 
     Ok(WaitSpecResult {
         compute,
+        http_port,
         resize_swap_on_bind,
         set_disk_quota_for_fs: set_disk_quota_for_fs.cloned(),
     })
@@ -397,6 +389,8 @@ fn wait_spec(
 
 struct WaitSpecResult {
     compute: Arc<ComputeNode>,
+    // passed through from ProcessCliResult
+    http_port: u16,
     resize_swap_on_bind: bool,
     set_disk_quota_for_fs: Option<String>,
 }
@@ -406,6 +400,7 @@ fn start_postgres(
     #[allow(unused_variables)] matches: &clap::ArgMatches,
     WaitSpecResult {
         compute,
+        http_port,
         resize_swap_on_bind,
         set_disk_quota_for_fs,
     }: WaitSpecResult,
@@ -478,10 +473,12 @@ fn start_postgres(
         }
     }
 
+    let extension_server_port: u16 = http_port;
+
     // Start Postgres
     let mut pg = None;
     if !prestartup_failed {
-        pg = match compute.start_compute() {
+        pg = match compute.start_compute(extension_server_port) {
             Ok(pg) => Some(pg),
             Err(err) => {
                 error!("could not start the compute node: {:#}", err);

compute_tools/src/bin/fast_import.rs

@@ -21,7 +21,7 @@
 //! - Build the image with the following command:
 //!
 //! ```bash
-//! docker buildx build --platform linux/amd64 --build-arg DEBIAN_VERSION=bullseye --build-arg GIT_VERSION=local --build-arg PG_VERSION=v14 --build-arg BUILD_TAG="$(date --iso-8601=s -u)" -t localhost:3030/localregistry/compute-node-v14:latest -f compute/compute-node.Dockerfile .
+//! docker buildx build --build-arg DEBIAN_FLAVOR=bullseye-slim --build-arg GIT_VERSION=local --build-arg PG_VERSION=v14 --build-arg BUILD_TAG="$(date --iso-8601=s -u)"  -t localhost:3030/localregistry/compute-node-v14:latest -f compute/Dockerfile.com
 //! docker push localhost:3030/localregistry/compute-node-v14:latest
 //! ```
 
@@ -29,7 +29,6 @@ use anyhow::Context;
 use aws_config::BehaviorVersion;
 use camino::{Utf8Path, Utf8PathBuf};
 use clap::Parser;
-use compute_tools::extension_server::{get_pg_version, PostgresMajorVersion};
 use nix::unistd::Pid;
 use tracing::{info, info_span, warn, Instrument};
 use utils::fs_ext::is_directory_empty;
@@ -132,18 +131,11 @@ pub(crate) async fn main() -> anyhow::Result<()> {
     //
     //  Initialize pgdata
     //
-    let pgbin = pg_bin_dir.join("postgres");
-    let pg_version = match get_pg_version(pgbin.as_ref()) {
-        PostgresMajorVersion::V14 => 14,
-        PostgresMajorVersion::V15 => 15,
-        PostgresMajorVersion::V16 => 16,
-        PostgresMajorVersion::V17 => 17,
-    };
     let superuser = "cloud_admin"; // XXX: this shouldn't be hard-coded
     postgres_initdb::do_run_initdb(postgres_initdb::RunInitdbArgs {
         superuser,
         locale: "en_US.UTF-8", // XXX: this shouldn't be hard-coded,
-        pg_version,
+        pg_version: 140000, // XXX: this shouldn't be hard-coded but derived from which compute image we're running in
         initdb_bin: pg_bin_dir.join("initdb").as_ref(),
         library_search_path: &pg_lib_dir, // TODO: is this right? Prob works in compute image, not sure about neon_local.
         pgdata: &pgdata_dir,
@@ -156,7 +148,7 @@ pub(crate) async fn main() -> anyhow::Result<()> {
     //
     // Launch postgres process
     //
-    let mut postgres_proc = tokio::process::Command::new(pgbin)
+    let mut postgres_proc = tokio::process::Command::new(pg_bin_dir.join("postgres"))
         .arg("-D")
         .arg(&pgdata_dir)
         .args(["-c", "wal_level=minimal"])

compute_tools/src/catalog.rs

@@ -1,3 +1,4 @@
+use compute_api::responses::CatalogObjects;
 use futures::Stream;
 use postgres::NoTls;
 use std::{path::Path, process::Stdio, result::Result, sync::Arc};
@@ -6,17 +7,19 @@ use tokio::{
     process::Command,
     spawn,
 };
+use tokio_postgres::connect;
 use tokio_stream::{self as stream, StreamExt};
 use tokio_util::codec::{BytesCodec, FramedRead};
 use tracing::warn;
 
 use crate::compute::ComputeNode;
-use crate::pg_helpers::{get_existing_dbs_async, get_existing_roles_async, postgres_conf_for_db};
-use compute_api::responses::CatalogObjects;
+use crate::pg_helpers::{get_existing_dbs_async, get_existing_roles_async};
 
 pub async fn get_dbs_and_roles(compute: &Arc<ComputeNode>) -> anyhow::Result<CatalogObjects> {
-    let conf = compute.get_tokio_conn_conf(Some("compute_ctl:get_dbs_and_roles"));
-    let (client, connection): (tokio_postgres::Client, _) = conf.connect(NoTls).await?;
+    let connstr = compute.connstr.clone();
+
+    let (client, connection): (tokio_postgres::Client, _) =
+        connect(connstr.as_str(), NoTls).await?;
 
     spawn(async move {
         if let Err(e) = connection.await {
@@ -40,8 +43,6 @@ pub enum SchemaDumpError {
     DatabaseDoesNotExist,
     #[error("Failed to execute pg_dump.")]
     IO(#[from] std::io::Error),
-    #[error("Unexpected error.")]
-    Unexpected,
 }
 
 // It uses the pg_dump utility to dump the schema of the specified database.
@@ -59,38 +60,11 @@ pub async fn get_database_schema(
     let pgbin = &compute.pgbin;
     let basepath = Path::new(pgbin).parent().unwrap();
     let pgdump = basepath.join("pg_dump");
-
-    // Replace the DB in the connection string and disable it to parts.
-    // This is the only option to handle DBs with special characters.
-    let conf =
-        postgres_conf_for_db(&compute.connstr, dbname).map_err(|_| SchemaDumpError::Unexpected)?;
-    let host = conf
-        .get_hosts()
-        .first()
-        .ok_or(SchemaDumpError::Unexpected)?;
-    let host = match host {
-        tokio_postgres::config::Host::Tcp(ip) => ip.to_string(),
-        #[cfg(unix)]
-        tokio_postgres::config::Host::Unix(path) => path.to_string_lossy().to_string(),
-    };
-    let port = conf
-        .get_ports()
-        .first()
-        .ok_or(SchemaDumpError::Unexpected)?;
-    let user = conf.get_user().ok_or(SchemaDumpError::Unexpected)?;
-    let dbname = conf.get_dbname().ok_or(SchemaDumpError::Unexpected)?;
-
+    let mut connstr = compute.connstr.clone();
+    connstr.set_path(dbname);
     let mut cmd = Command::new(pgdump)
-        // XXX: this seems to be the only option to deal with DBs with `=` in the name
-        // See <https://www.postgresql.org/message-id/flat/20151023003445.931.91267%40wrigleys.postgresql.org>
-        .env("PGDATABASE", dbname)
-        .arg("--host")
-        .arg(host)
-        .arg("--port")
-        .arg(port.to_string())
-        .arg("--username")
-        .arg(user)
         .arg("--schema-only")
+        .arg(connstr.as_str())
         .stdout(Stdio::piped())
         .stderr(Stdio::piped())
         .kill_on_drop(true)

compute_tools/src/checker.rs

@@ -9,8 +9,7 @@ use crate::compute::ComputeNode;
 #[instrument(skip_all)]
 pub async fn check_writability(compute: &ComputeNode) -> Result<()> {
     // Connect to the database.
-    let conf = compute.get_tokio_conn_conf(Some("compute_ctl:availability_checker"));
-    let (client, connection) = conf.connect(NoTls).await?;
+    let (client, connection) = tokio_postgres::connect(compute.connstr.as_str(), NoTls).await?;
     if client.is_closed() {
         return Err(anyhow!("connection to postgres closed"));
     }

compute_tools/src/compute.rs

@@ -20,9 +20,8 @@ use futures::future::join_all;
 use futures::stream::FuturesUnordered;
 use futures::StreamExt;
 use nix::unistd::Pid;
-use postgres;
 use postgres::error::SqlState;
-use postgres::NoTls;
+use postgres::{Client, NoTls};
 use tracing::{debug, error, info, instrument, warn};
 use utils::id::{TenantId, TimelineId};
 use utils::lsn::Lsn;
@@ -35,8 +34,9 @@ use utils::measured_stream::MeasuredReader;
 use nix::sys::signal::{kill, Signal};
 use remote_storage::{DownloadError, RemotePath};
 use tokio::spawn;
+use url::Url;
 
-use crate::installed_extensions::get_installed_extensions;
+use crate::installed_extensions::get_installed_extensions_sync;
 use crate::local_proxy;
 use crate::pg_helpers::*;
 use crate::spec::*;
@@ -59,10 +59,6 @@ pub static PG_PID: AtomicU32 = AtomicU32::new(0);
 pub struct ComputeNode {
     // Url type maintains proper escaping
     pub connstr: url::Url,
-    // We connect to Postgres from many different places, so build configs once
-    // and reuse them where needed.
-    pub conn_conf: postgres::config::Config,
-    pub tokio_conn_conf: tokio_postgres::config::Config,
     pub pgdata: String,
     pub pgbin: String,
     pub pgversion: String,
@@ -79,8 +75,6 @@ pub struct ComputeNode {
     /// - we push spec and it does configuration
     /// - but then it is restarted without any spec again
     pub live_config_allowed: bool,
-    /// The port that the compute's HTTP server listens on
-    pub http_port: u16,
     /// Volatile part of the `ComputeNode`, which should be used under `Mutex`.
     /// To allow HTTP API server to serving status requests, while configuration
     /// is in progress, lock should be held only for short periods of time to do
@@ -613,7 +607,11 @@ impl ComputeNode {
     /// Do all the preparations like PGDATA directory creation, configuration,
     /// safekeepers sync, basebackup, etc.
     #[instrument(skip_all)]
-    pub fn prepare_pgdata(&self, compute_state: &ComputeState) -> Result<()> {
+    pub fn prepare_pgdata(
+        &self,
+        compute_state: &ComputeState,
+        extension_server_port: u16,
+    ) -> Result<()> {
         let pspec = compute_state.pspec.as_ref().expect("spec must be set");
         let spec = &pspec.spec;
         let pgdata_path = Path::new(&self.pgdata);
@@ -623,7 +621,7 @@ impl ComputeNode {
         config::write_postgres_conf(
             &pgdata_path.join("postgresql.conf"),
             &pspec.spec,
-            self.http_port,
+            Some(extension_server_port),
         )?;
 
         // Syncing safekeepers is only safe with primary nodes: if a primary
@@ -803,10 +801,10 @@ impl ComputeNode {
     /// version. In the future, it may upgrade all 3rd-party extensions.
     #[instrument(skip_all)]
     pub fn post_apply_config(&self) -> Result<()> {
-        let conf = self.get_conn_conf(Some("compute_ctl:post_apply_config"));
+        let connstr = self.connstr.clone();
         thread::spawn(move || {
             let func = || {
-                let mut client = conf.connect(NoTls)?;
+                let mut client = Client::connect(connstr.as_str(), NoTls)?;
                 handle_neon_extension_upgrade(&mut client)
                     .context("handle_neon_extension_upgrade")?;
                 Ok::<_, anyhow::Error>(())
@@ -818,48 +816,30 @@ impl ComputeNode {
         Ok(())
     }
 
-    pub fn get_conn_conf(&self, application_name: Option<&str>) -> postgres::Config {
-        let mut conf = self.conn_conf.clone();
-        if let Some(application_name) = application_name {
-            conf.application_name(application_name);
-        }
-        conf
-    }
+    async fn get_maintenance_client(url: &Url) -> Result<tokio_postgres::Client> {
+        let mut connstr = url.clone();
 
-    pub fn get_tokio_conn_conf(&self, application_name: Option<&str>) -> tokio_postgres::Config {
-        let mut conf = self.tokio_conn_conf.clone();
-        if let Some(application_name) = application_name {
-            conf.application_name(application_name);
-        }
-        conf
-    }
+        connstr
+            .query_pairs_mut()
+            .append_pair("application_name", "apply_config");
 
-    async fn get_maintenance_client(
-        conf: &tokio_postgres::Config,
-    ) -> Result<tokio_postgres::Client> {
-        let mut conf = conf.clone();
-        conf.application_name("compute_ctl:apply_config");
-
-        let (client, conn) = match conf.connect(NoTls).await {
-            // If connection fails, it may be the old node with `zenith_admin` superuser.
-            //
-            // In this case we need to connect with old `zenith_admin` name
-            // and create new user. We cannot simply rename connected user,
-            // but we can create a new one and grant it all privileges.
+        let (client, conn) = match tokio_postgres::connect(connstr.as_str(), NoTls).await {
             Err(e) => match e.code() {
                 Some(&SqlState::INVALID_PASSWORD)
                 | Some(&SqlState::INVALID_AUTHORIZATION_SPECIFICATION) => {
-                    // Connect with zenith_admin if cloud_admin could not authenticate
+                    // connect with zenith_admin if cloud_admin could not authenticate
                     info!(
                         "cannot connect to postgres: {}, retrying with `zenith_admin` username",
                         e
                     );
-                    let mut zenith_admin_conf = postgres::config::Config::from(conf.clone());
-                    zenith_admin_conf.application_name("compute_ctl:apply_config");
-                    zenith_admin_conf.user("zenith_admin");
+                    let mut zenith_admin_connstr = connstr.clone();
+
+                    zenith_admin_connstr
+                        .set_username("zenith_admin")
+                        .map_err(|_| anyhow::anyhow!("invalid connstr"))?;
 
                     let mut client =
-                        zenith_admin_conf.connect(NoTls)
+                        Client::connect(zenith_admin_connstr.as_str(), NoTls)
                             .context("broken cloud_admin credential: tried connecting with cloud_admin but could not authenticate, and zenith_admin does not work either")?;
 
                     // Disable forwarding so that users don't get a cloud_admin role
@@ -873,8 +853,8 @@ impl ComputeNode {
 
                     drop(client);
 
-                    // Reconnect with connstring with expected name
-                    conf.connect(NoTls).await?
+                    // reconnect with connstring with expected name
+                    tokio_postgres::connect(connstr.as_str(), NoTls).await?
                 }
                 _ => return Err(e.into()),
             },
@@ -905,7 +885,7 @@ impl ComputeNode {
     pub fn apply_spec_sql(
         &self,
         spec: Arc<ComputeSpec>,
-        conf: Arc<tokio_postgres::Config>,
+        url: Arc<Url>,
         concurrency: usize,
     ) -> Result<()> {
         let rt = tokio::runtime::Builder::new_multi_thread()
@@ -917,7 +897,7 @@ impl ComputeNode {
 
         rt.block_on(async {
             // Proceed with post-startup configuration. Note, that order of operations is important.
-            let client = Self::get_maintenance_client(&conf).await?;
+            let client = Self::get_maintenance_client(&url).await?;
             let spec = spec.clone();
 
             let databases = get_existing_dbs_async(&client).await?;
@@ -951,7 +931,7 @@ impl ComputeNode {
                 RenameAndDeleteDatabases,
                 CreateAndAlterDatabases,
             ] {
-                info!("Applying phase {:?}", &phase);
+                debug!("Applying phase {:?}", &phase);
                 apply_operations(
                     spec.clone(),
                     ctx.clone(),
@@ -962,7 +942,6 @@ impl ComputeNode {
                 .await?;
             }
 
-            info!("Applying RunInEachDatabase phase");
             let concurrency_token = Arc::new(tokio::sync::Semaphore::new(concurrency));
 
             let db_processes = spec
@@ -976,7 +955,7 @@ impl ComputeNode {
                     let spec = spec.clone();
                     let ctx = ctx.clone();
                     let jwks_roles = jwks_roles.clone();
-                    let mut conf = conf.as_ref().clone();
+                    let mut url = url.as_ref().clone();
                     let concurrency_token = concurrency_token.clone();
                     let db = db.clone();
 
@@ -985,14 +964,14 @@ impl ComputeNode {
                     match &db {
                         DB::SystemDB => {}
                         DB::UserDB(db) => {
-                            conf.dbname(db.name.as_str());
+                            url.set_path(db.name.as_str());
                         }
                     }
 
-                    let conf = Arc::new(conf);
+                    let url = Arc::new(url);
                     let fut = Self::apply_spec_sql_db(
                         spec.clone(),
-                        conf,
+                        url,
                         ctx.clone(),
                         jwks_roles.clone(),
                         concurrency_token.clone(),
@@ -1038,7 +1017,7 @@ impl ComputeNode {
     /// semaphore.  The caller has to make sure the semaphore isn't exhausted.
     async fn apply_spec_sql_db(
         spec: Arc<ComputeSpec>,
-        conf: Arc<tokio_postgres::Config>,
+        url: Arc<Url>,
         ctx: Arc<tokio::sync::RwLock<MutableApplyContext>>,
         jwks_roles: Arc<HashSet<String>>,
         concurrency_token: Arc<tokio::sync::Semaphore>,
@@ -1067,7 +1046,7 @@ impl ComputeNode {
                 // that database.
                 || async {
                     if client_conn.is_none() {
-                        let db_client = Self::get_maintenance_client(&conf).await?;
+                        let db_client = Self::get_maintenance_client(&url).await?;
                         client_conn.replace(db_client);
                     }
                     let client = client_conn.as_ref().unwrap();
@@ -1082,16 +1061,34 @@ impl ComputeNode {
         Ok::<(), anyhow::Error>(())
     }
 
-    /// Choose how many concurrent connections to use for applying the spec changes.
-    pub fn max_service_connections(
-        &self,
-        compute_state: &ComputeState,
-        spec: &ComputeSpec,
-    ) -> usize {
-        // If the cluster is in Init state we don't have to deal with user connections,
+    /// Do initial configuration of the already started Postgres.
+    #[instrument(skip_all)]
+    pub fn apply_config(&self, compute_state: &ComputeState) -> Result<()> {
+        // If connection fails,
+        // it may be the old node with `zenith_admin` superuser.
+        //
+        // In this case we need to connect with old `zenith_admin` name
+        // and create new user. We cannot simply rename connected user,
+        // but we can create a new one and grant it all privileges.
+        let mut url = self.connstr.clone();
+        url.query_pairs_mut()
+            .append_pair("application_name", "apply_config");
+
+        let url = Arc::new(url);
+        let spec = Arc::new(
+            compute_state
+                .pspec
+                .as_ref()
+                .expect("spec must be set")
+                .spec
+                .clone(),
+        );
+
+        // Choose how many concurrent connections to use for applying the spec changes.
+        // If the cluster is not currently Running we don't have to deal with user connections,
         // and can thus use all `max_connections` connection slots. However, that's generally not
         // very efficient, so we generally still limit it to a smaller number.
-        if compute_state.status == ComputeStatus::Init {
+        let max_concurrent_connections = if compute_state.status != ComputeStatus::Running {
             // If the settings contain 'max_connections', use that as template
             if let Some(config) = spec.cluster.settings.find("max_connections") {
                 config.parse::<usize>().ok()
@@ -1147,28 +1144,10 @@ impl ComputeNode {
                 .map(|val| if val > 1 { val - 1 } else { 1 })
                 .last()
                 .unwrap_or(3)
-        }
-    }
-
-    /// Do initial configuration of the already started Postgres.
-    #[instrument(skip_all)]
-    pub fn apply_config(&self, compute_state: &ComputeState) -> Result<()> {
-        let conf = self.get_tokio_conn_conf(Some("compute_ctl:apply_config"));
-
-        let conf = Arc::new(conf);
-        let spec = Arc::new(
-            compute_state
-                .pspec
-                .as_ref()
-                .expect("spec must be set")
-                .spec
-                .clone(),
-        );
-
-        let max_concurrent_connections = self.max_service_connections(compute_state, &spec);
+        };
 
         // Merge-apply spec & changes to PostgreSQL state.
-        self.apply_spec_sql(spec.clone(), conf.clone(), max_concurrent_connections)?;
+        self.apply_spec_sql(spec.clone(), url.clone(), max_concurrent_connections)?;
 
         if let Some(ref local_proxy) = &spec.clone().local_proxy_config {
             info!("configuring local_proxy");
@@ -1177,11 +1156,12 @@ impl ComputeNode {
 
         // Run migrations separately to not hold up cold starts
         thread::spawn(move || {
-            let conf = conf.as_ref().clone();
-            let mut conf = postgres::config::Config::from(conf);
-            conf.application_name("compute_ctl:migrations");
+            let mut connstr = url.as_ref().clone();
+            connstr
+                .query_pairs_mut()
+                .append_pair("application_name", "migrations");
 
-            let mut client = conf.connect(NoTls)?;
+            let mut client = Client::connect(connstr.as_str(), NoTls)?;
             handle_migrations(&mut client).context("apply_config handle_migrations")
         });
 
@@ -1241,24 +1221,22 @@ impl ComputeNode {
         // Write new config
         let pgdata_path = Path::new(&self.pgdata);
         let postgresql_conf_path = pgdata_path.join("postgresql.conf");
-        config::write_postgres_conf(&postgresql_conf_path, &spec, self.http_port)?;
-
-        let max_concurrent_connections = spec.reconfigure_concurrency;
-
-        // Temporarily reset max_cluster_size in config
+        config::write_postgres_conf(&postgresql_conf_path, &spec, None)?;
+        // temporarily reset max_cluster_size in config
         // to avoid the possibility of hitting the limit, while we are reconfiguring:
-        // creating new extensions, roles, etc.
+        // creating new extensions, roles, etc...
         config::with_compute_ctl_tmp_override(pgdata_path, "neon.max_cluster_size=-1", || {
             self.pg_reload_conf()?;
 
             if spec.mode == ComputeMode::Primary {
-                let mut conf = tokio_postgres::Config::from_str(self.connstr.as_str()).unwrap();
-                conf.application_name("apply_config");
-                let conf = Arc::new(conf);
+                let mut url = self.connstr.clone();
+                url.query_pairs_mut()
+                    .append_pair("application_name", "apply_config");
+                let url = Arc::new(url);
 
                 let spec = Arc::new(spec.clone());
 
-                self.apply_spec_sql(spec, conf, max_concurrent_connections)?;
+                self.apply_spec_sql(spec, url, 1)?;
             }
 
             Ok(())
@@ -1277,7 +1255,10 @@ impl ComputeNode {
     }
 
     #[instrument(skip_all)]
-    pub fn start_compute(&self) -> Result<(std::process::Child, std::thread::JoinHandle<()>)> {
+    pub fn start_compute(
+        &self,
+        extension_server_port: u16,
+    ) -> Result<(std::process::Child, std::thread::JoinHandle<()>)> {
         let compute_state = self.state.lock().unwrap().clone();
         let pspec = compute_state.pspec.as_ref().expect("spec must be set");
         info!(
@@ -1352,7 +1333,7 @@ impl ComputeNode {
             info!("{:?}", remote_ext_metrics);
         }
 
-        self.prepare_pgdata(&compute_state)?;
+        self.prepare_pgdata(&compute_state, extension_server_port)?;
 
         let start_time = Utc::now();
         let pg_process = self.start_postgres(pspec.storage_auth_token.clone())?;
@@ -1379,19 +1360,9 @@ impl ComputeNode {
             }
             self.post_apply_config()?;
 
-            let conf = self.get_conn_conf(None);
+            let connstr = self.connstr.clone();
             thread::spawn(move || {
-                let res = get_installed_extensions(conf);
-                match res {
-                    Ok(extensions) => {
-                        info!(
-                            "[NEON_EXT_STAT] {}",
-                            serde_json::to_string(&extensions)
-                                .expect("failed to serialize extensions list")
-                        );
-                    }
-                    Err(err) => error!("could not get installed extensions: {err:?}"),
-                }
+                get_installed_extensions_sync(connstr).context("get_installed_extensions")
             });
         }
 
@@ -1520,8 +1491,7 @@ impl ComputeNode {
     /// Select `pg_stat_statements` data and return it as a stringified JSON
     pub async fn collect_insights(&self) -> String {
         let mut result_rows: Vec<String> = Vec::new();
-        let conf = self.get_tokio_conn_conf(Some("compute_ctl:collect_insights"));
-        let connect_result = conf.connect(NoTls).await;
+        let connect_result = tokio_postgres::connect(self.connstr.as_str(), NoTls).await;
         let (client, connection) = connect_result.unwrap();
         tokio::spawn(async move {
             if let Err(e) = connection.await {
@@ -1647,9 +1617,10 @@ LIMIT 100",
         privileges: &[Privilege],
         role_name: &PgIdent,
     ) -> Result<()> {
+        use tokio_postgres::config::Config;
         use tokio_postgres::NoTls;
 
-        let mut conf = self.get_tokio_conn_conf(Some("compute_ctl:set_role_grants"));
+        let mut conf = Config::from_str(self.connstr.as_str()).unwrap();
         conf.dbname(db_name);
 
         let (db_client, conn) = conf
@@ -1686,9 +1657,10 @@ LIMIT 100",
         db_name: &PgIdent,
         ext_version: ExtVersion,
     ) -> Result<ExtVersion> {
+        use tokio_postgres::config::Config;
         use tokio_postgres::NoTls;
 
-        let mut conf = self.get_tokio_conn_conf(Some("compute_ctl:install_extension"));
+        let mut conf = Config::from_str(self.connstr.as_str()).unwrap();
         conf.dbname(db_name);
 
         let (db_client, conn) = conf

compute_tools/src/config.rs

@@ -37,7 +37,7 @@ pub fn line_in_file(path: &Path, line: &str) -> Result<bool> {
 pub fn write_postgres_conf(
     path: &Path,
     spec: &ComputeSpec,
-    extension_server_port: u16,
+    extension_server_port: Option<u16>,
 ) -> Result<()> {
     // File::create() destroys the file content if it exists.
     let mut file = File::create(path)?;
@@ -127,7 +127,9 @@ pub fn write_postgres_conf(
         writeln!(file, "# Managed by compute_ctl: end")?;
     }
 
-    writeln!(file, "neon.extension_server_port={}", extension_server_port)?;
+    if let Some(port) = extension_server_port {
+        writeln!(file, "neon.extension_server_port={}", port)?;
+    }
 
     // This is essential to keep this line at the end of the file,
     // because it is intended to override any settings above.

compute_tools/src/extension_server.rs

@@ -103,33 +103,14 @@ fn get_pg_config(argument: &str, pgbin: &str) -> String {
         .to_string()
 }
 
-pub fn get_pg_version(pgbin: &str) -> PostgresMajorVersion {
+pub fn get_pg_version(pgbin: &str) -> String {
     // pg_config --version returns a (platform specific) human readable string
     // such as "PostgreSQL 15.4". We parse this to v14/v15/v16 etc.
     let human_version = get_pg_config("--version", pgbin);
-    parse_pg_version(&human_version)
+    parse_pg_version(&human_version).to_string()
 }
 
-pub fn get_pg_version_string(pgbin: &str) -> String {
-    match get_pg_version(pgbin) {
-        PostgresMajorVersion::V14 => "v14",
-        PostgresMajorVersion::V15 => "v15",
-        PostgresMajorVersion::V16 => "v16",
-        PostgresMajorVersion::V17 => "v17",
-    }
-    .to_owned()
-}
-
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
-pub enum PostgresMajorVersion {
-    V14,
-    V15,
-    V16,
-    V17,
-}
-
-fn parse_pg_version(human_version: &str) -> PostgresMajorVersion {
-    use PostgresMajorVersion::*;
+fn parse_pg_version(human_version: &str) -> &str {
     // Normal releases have version strings like "PostgreSQL 15.4". But there
     // are also pre-release versions like "PostgreSQL 17devel" or "PostgreSQL
     // 16beta2" or "PostgreSQL 17rc1". And with the --with-extra-version
@@ -140,10 +121,10 @@ fn parse_pg_version(human_version: &str) -> PostgresMajorVersion {
         .captures(human_version)
     {
         Some(captures) if captures.len() == 2 => match &captures["major"] {
-            "14" => return V14,
-            "15" => return V15,
-            "16" => return V16,
-            "17" => return V17,
+            "14" => return "v14",
+            "15" => return "v15",
+            "16" => return "v16",
+            "17" => return "v17",
             _ => {}
         },
         _ => {}
@@ -282,25 +263,24 @@ mod tests {
 
     #[test]
     fn test_parse_pg_version() {
-        use super::PostgresMajorVersion::*;
-        assert_eq!(parse_pg_version("PostgreSQL 15.4"), V15);
-        assert_eq!(parse_pg_version("PostgreSQL 15.14"), V15);
+        assert_eq!(parse_pg_version("PostgreSQL 15.4"), "v15");
+        assert_eq!(parse_pg_version("PostgreSQL 15.14"), "v15");
         assert_eq!(
             parse_pg_version("PostgreSQL 15.4 (Ubuntu 15.4-0ubuntu0.23.04.1)"),
-            V15
+            "v15"
         );
 
-        assert_eq!(parse_pg_version("PostgreSQL 14.15"), V14);
-        assert_eq!(parse_pg_version("PostgreSQL 14.0"), V14);
+        assert_eq!(parse_pg_version("PostgreSQL 14.15"), "v14");
+        assert_eq!(parse_pg_version("PostgreSQL 14.0"), "v14");
         assert_eq!(
             parse_pg_version("PostgreSQL 14.9 (Debian 14.9-1.pgdg120+1"),
-            V14
+            "v14"
         );
 
-        assert_eq!(parse_pg_version("PostgreSQL 16devel"), V16);
-        assert_eq!(parse_pg_version("PostgreSQL 16beta1"), V16);
-        assert_eq!(parse_pg_version("PostgreSQL 16rc2"), V16);
-        assert_eq!(parse_pg_version("PostgreSQL 16extra"), V16);
+        assert_eq!(parse_pg_version("PostgreSQL 16devel"), "v16");
+        assert_eq!(parse_pg_version("PostgreSQL 16beta1"), "v16");
+        assert_eq!(parse_pg_version("PostgreSQL 16rc2"), "v16");
+        assert_eq!(parse_pg_version("PostgreSQL 16extra"), "v16");
     }
 
     #[test]

compute_tools/src/http/api.rs

@@ -295,12 +295,8 @@ async fn routes(req: Request<Body>, compute: &Arc<ComputeNode>) -> Response<Body
                 return Response::new(Body::from(msg));
             }
 
-            let conf = compute.get_conn_conf(None);
-            let res =
-                task::spawn_blocking(move || installed_extensions::get_installed_extensions(conf))
-                    .await
-                    .unwrap();
-
+            let connstr = compute.connstr.clone();
+            let res = crate::installed_extensions::get_installed_extensions(connstr).await;
             match res {
                 Ok(res) => render_json(Body::from(serde_json::to_string(&res).unwrap())),
                 Err(e) => render_json_error(

compute_tools/src/installed_extensions.rs

@@ -2,9 +2,12 @@ use compute_api::responses::{InstalledExtension, InstalledExtensions};
 use metrics::proto::MetricFamily;
 use std::collections::HashMap;
 use std::collections::HashSet;
+use tracing::info;
+use url::Url;
 
 use anyhow::Result;
 use postgres::{Client, NoTls};
+use tokio::task;
 
 use metrics::core::Collector;
 use metrics::{register_uint_gauge_vec, UIntGaugeVec};
@@ -39,53 +42,75 @@ fn list_dbs(client: &mut Client) -> Result<Vec<String>> {
 ///
 /// Same extension can be installed in multiple databases with different versions,
 /// we only keep the highest and lowest version across all databases.
-pub fn get_installed_extensions(mut conf: postgres::config::Config) -> Result<InstalledExtensions> {
-    conf.application_name("compute_ctl:get_installed_extensions");
-    let mut client = conf.connect(NoTls)?;
+pub async fn get_installed_extensions(connstr: Url) -> Result<InstalledExtensions> {
+    let mut connstr = connstr.clone();
 
-    let databases: Vec<String> = list_dbs(&mut client)?;
+    task::spawn_blocking(move || {
+        let mut client = Client::connect(connstr.as_str(), NoTls)?;
+        let databases: Vec<String> = list_dbs(&mut client)?;
 
-    let mut extensions_map: HashMap<String, InstalledExtension> = HashMap::new();
-    for db in databases.iter() {
-        conf.dbname(db);
-        let mut db_client = conf.connect(NoTls)?;
-        let extensions: Vec<(String, String)> = db_client
-            .query(
-                "SELECT extname, extversion FROM pg_catalog.pg_extension;",
-                &[],
-            )?
-            .iter()
-            .map(|row| (row.get("extname"), row.get("extversion")))
-            .collect();
+        let mut extensions_map: HashMap<String, InstalledExtension> = HashMap::new();
+        for db in databases.iter() {
+            connstr.set_path(db);
+            let mut db_client = Client::connect(connstr.as_str(), NoTls)?;
+            let extensions: Vec<(String, String)> = db_client
+                .query(
+                    "SELECT extname, extversion FROM pg_catalog.pg_extension;",
+                    &[],
+                )?
+                .iter()
+                .map(|row| (row.get("extname"), row.get("extversion")))
+                .collect();
 
-        for (extname, v) in extensions.iter() {
-            let version = v.to_string();
+            for (extname, v) in extensions.iter() {
+                let version = v.to_string();
 
-            // increment the number of databases where the version of extension is installed
-            INSTALLED_EXTENSIONS
-                .with_label_values(&[extname, &version])
-                .inc();
+                // increment the number of databases where the version of extension is installed
+                INSTALLED_EXTENSIONS
+                    .with_label_values(&[extname, &version])
+                    .inc();
 
-            extensions_map
-                .entry(extname.to_string())
-                .and_modify(|e| {
-                    e.versions.insert(version.clone());
-                    // count the number of databases where the extension is installed
-                    e.n_databases += 1;
-                })
-                .or_insert(InstalledExtension {
-                    extname: extname.to_string(),
-                    versions: HashSet::from([version.clone()]),
-                    n_databases: 1,
-                });
+                extensions_map
+                    .entry(extname.to_string())
+                    .and_modify(|e| {
+                        e.versions.insert(version.clone());
+                        // count the number of databases where the extension is installed
+                        e.n_databases += 1;
+                    })
+                    .or_insert(InstalledExtension {
+                        extname: extname.to_string(),
+                        versions: HashSet::from([version.clone()]),
+                        n_databases: 1,
+                    });
+            }
         }
-    }
 
-    let res = InstalledExtensions {
-        extensions: extensions_map.into_values().collect(),
-    };
+        let res = InstalledExtensions {
+            extensions: extensions_map.values().cloned().collect(),
+        };
 
-    Ok(res)
+        Ok(res)
+    })
+    .await?
+}
+
+// Gather info about installed extensions
+pub fn get_installed_extensions_sync(connstr: Url) -> Result<()> {
+    let rt = tokio::runtime::Builder::new_current_thread()
+        .enable_all()
+        .build()
+        .expect("failed to create runtime");
+    let result = rt
+        .block_on(crate::installed_extensions::get_installed_extensions(
+            connstr,
+        ))
+        .expect("failed to get installed extensions");
+
+    info!(
+        "[NEON_EXT_STAT] {}",
+        serde_json::to_string(&result).expect("failed to serialize extensions list")
+    );
+    Ok(())
 }
 
 static INSTALLED_EXTENSIONS: Lazy<UIntGaugeVec> = Lazy::new(|| {

compute_tools/src/monitor.rs

@@ -17,8 +17,11 @@ const MONITOR_CHECK_INTERVAL: Duration = Duration::from_millis(500);
 // should be handled gracefully.
 fn watch_compute_activity(compute: &ComputeNode) {
     // Suppose that `connstr` doesn't change
-    let connstr = compute.connstr.clone();
-    let conf = compute.get_conn_conf(Some("compute_ctl:activity_monitor"));
+    let mut connstr = compute.connstr.clone();
+    connstr
+        .query_pairs_mut()
+        .append_pair("application_name", "compute_activity_monitor");
+    let connstr = connstr.as_str();
 
     // During startup and configuration we connect to every Postgres database,
     // but we don't want to count this as some user activity. So wait until
@@ -26,7 +29,7 @@ fn watch_compute_activity(compute: &ComputeNode) {
     wait_for_postgres_start(compute);
 
     // Define `client` outside of the loop to reuse existing connection if it's active.
-    let mut client = conf.connect(NoTls);
+    let mut client = Client::connect(connstr, NoTls);
 
     let mut sleep = false;
     let mut prev_active_time: Option<f64> = None;
@@ -54,7 +57,7 @@ fn watch_compute_activity(compute: &ComputeNode) {
                     info!("connection to Postgres is closed, trying to reconnect");
 
                     // Connection is closed, reconnect and try again.
-                    client = conf.connect(NoTls);
+                    client = Client::connect(connstr, NoTls);
                     continue;
                 }
 
@@ -193,7 +196,7 @@ fn watch_compute_activity(compute: &ComputeNode) {
                 debug!("could not connect to Postgres: {}, retrying", e);
 
                 // Establish a new connection and try again.
-                client = conf.connect(NoTls);
+                client = Client::connect(connstr, NoTls);
             }
         }
     }

compute_tools/src/pg_helpers.rs

@@ -6,7 +6,6 @@ use std::io::{BufRead, BufReader};
 use std::os::unix::fs::PermissionsExt;
 use std::path::Path;
 use std::process::Child;
-use std::str::FromStr;
 use std::thread::JoinHandle;
 use std::time::{Duration, Instant};
 
@@ -14,10 +13,8 @@ use anyhow::{bail, Result};
 use futures::StreamExt;
 use ini::Ini;
 use notify::{RecursiveMode, Watcher};
-use postgres::config::Config;
 use tokio::io::AsyncBufReadExt;
 use tokio::time::timeout;
-use tokio_postgres;
 use tokio_postgres::NoTls;
 use tracing::{debug, error, info, instrument};
 
@@ -545,11 +542,3 @@ async fn handle_postgres_logs_async(stderr: tokio::process::ChildStderr) -> Resu
 
     Ok(())
 }
-
-/// `Postgres::config::Config` handles database names with whitespaces
-/// and special characters properly.
-pub fn postgres_conf_for_db(connstr: &url::Url, dbname: &str) -> Result<Config> {
-    let mut conf = Config::from_str(connstr.as_str())?;
-    conf.dbname(dbname);
-    Ok(conf)
-}

control_plane/src/endpoint.rs

@@ -53,7 +53,6 @@ use compute_api::spec::Role;
 use nix::sys::signal::kill;
 use nix::sys::signal::Signal;
 use pageserver_api::shard::ShardStripeSize;
-use reqwest::header::CONTENT_TYPE;
 use serde::{Deserialize, Serialize};
 use url::Host;
 use utils::id::{NodeId, TenantId, TimelineId};
@@ -311,10 +310,6 @@ impl Endpoint {
         conf.append("wal_log_hints", "off");
         conf.append("max_replication_slots", "10");
         conf.append("hot_standby", "on");
-        // Set to 1MB to both exercise getPage requests/LFC, and still have enough room for
-        // Postgres to operate. Everything smaller might be not enough for Postgres under load,
-        // and can cause errors like 'no unpinned buffers available', see
-        // <https://github.com/neondatabase/neon/issues/9956>
         conf.append("shared_buffers", "1MB");
         conf.append("fsync", "off");
         conf.append("max_connections", "100");
@@ -619,7 +614,6 @@ impl Endpoint {
             pgbouncer_settings: None,
             shard_stripe_size: Some(shard_stripe_size),
             local_proxy_config: None,
-            reconfigure_concurrency: 1,
         };
         let spec_path = self.endpoint_path().join("spec.json");
         std::fs::write(spec_path, serde_json::to_string_pretty(&spec)?)?;
@@ -819,7 +813,6 @@ impl Endpoint {
                 self.http_address.ip(),
                 self.http_address.port()
             ))
-            .header(CONTENT_TYPE.as_str(), "application/json")
             .body(format!(
                 "{{\"spec\":{}}}",
                 serde_json::to_string_pretty(&spec)?

control_plane/src/pageserver.rs

@@ -415,11 +415,6 @@ impl PageServerNode {
                 .map(|x| x.parse::<bool>())
                 .transpose()
                 .context("Failed to parse 'timeline_offloading' as bool")?,
-            wal_receiver_protocol_override: settings
-                .remove("wal_receiver_protocol_override")
-                .map(serde_json::from_str)
-                .transpose()
-                .context("parse `wal_receiver_protocol_override` from json")?,
         };
         if !settings.is_empty() {
             bail!("Unrecognized tenant settings: {settings:?}")

control_plane/src/safekeeper.rs

@@ -5,7 +5,6 @@
 //! ```text
 //!   .neon/safekeepers/<safekeeper id>
 //! ```
-use std::error::Error as _;
 use std::future::Future;
 use std::io::Write;
 use std::path::PathBuf;
@@ -27,7 +26,7 @@ use crate::{
 
 #[derive(Error, Debug)]
 pub enum SafekeeperHttpError {
-    #[error("request error: {0}{}", .0.source().map(|e| format!(": {e}")).unwrap_or_default())]
+    #[error("Reqwest error: {0}")]
     Transport(#[from] reqwest::Error),
 
     #[error("Error: {0}")]

control_plane/storcon_cli/src/main.rs

@@ -560,26 +560,14 @@ async fn main() -> anyhow::Result<()> {
                 .await?;
         }
         Command::TenantDescribe { tenant_id } => {
-            let TenantDescribeResponse {
-                tenant_id,
-                shards,
-                stripe_size,
-                policy,
-                config,
-            } = storcon_client
+            let describe_response = storcon_client
                 .dispatch::<(), TenantDescribeResponse>(
                     Method::GET,
                     format!("control/v1/tenant/{tenant_id}"),
                     None,
                 )
                 .await?;
-            println!("Tenant {tenant_id}");
-            let mut table = comfy_table::Table::new();
-            table.add_row(["Policy", &format!("{:?}", policy)]);
-            table.add_row(["Stripe size", &format!("{:?}", stripe_size)]);
-            table.add_row(["Config", &serde_json::to_string_pretty(&config).unwrap()]);
-            println!("{table}");
-            println!("Shards:");
+            let shards = describe_response.shards;
             let mut table = comfy_table::Table::new();
             table.set_header(["Shard", "Attached", "Secondary", "Last error", "status"]);
             for shard in shards {

deny.toml

@@ -33,6 +33,7 @@ reason = "the marvin attack only affects private key decryption, not public key
 [licenses]
 allow = [
     "Apache-2.0",
+    "Artistic-2.0",
     "BSD-2-Clause",
     "BSD-3-Clause",
     "CC0-1.0",
@@ -66,7 +67,7 @@ registries = []
 # More documentation about the 'bans' section can be found here:
 # https://embarkstudios.github.io/cargo-deny/checks/bans/cfg.html
 [bans]
-multiple-versions = "allow"
+multiple-versions = "warn"
 wildcards = "allow"
 highlight = "all"
 workspace-default-features = "allow"

docker-compose/compute_wrapper/Dockerfile

@@ -4,16 +4,14 @@ ARG TAG=latest
 
 FROM $REPOSITORY/${COMPUTE_IMAGE}:$TAG
 
-ARG COMPUTE_IMAGE
-
 USER root
 RUN apt-get update &&       \
     apt-get install -y curl \
                        jq   \
                        python3-pip \
-                       netcat-openbsd
+                       netcat
 #Faker is required for the pg_anon test
-RUN case $COMPUTE_IMAGE in compute-node-v17) OPT="--break-system-packages";; *) OPT= ;; esac && pip3 install $OPT Faker
+RUN pip3 install Faker
 #This is required for the pg_hintplan test
 RUN mkdir -p /ext-src/pg_hint_plan-src && chown postgres /ext-src/pg_hint_plan-src 
 

docker-compose/docker_compose_test.sh

@@ -30,17 +30,10 @@ cleanup() {
     docker compose --profile test-extensions -f $COMPOSE_FILE down
 }
 
-for pg_version in ${TEST_VERSION_ONLY-14 15 16 17}; do
-    pg_version=${pg_version/v/}
+for pg_version in 14 15 16; do
     echo "clean up containers if exists"
     cleanup
-    PG_TEST_VERSION=$((pg_version < 16 ? 16 : pg_version))
-    # The support of pg_anon not yet added to PG17, so we have to remove the corresponding option
-    if [ $pg_version -eq 17 ]; then
-      SPEC_PATH="compute_wrapper/var/db/postgres/specs"
-      mv $SPEC_PATH/spec.json $SPEC_PATH/spec.bak
-      jq 'del(.cluster.settings[] | select (.name == "session_preload_libraries"))' $SPEC_PATH/spec.bak > $SPEC_PATH/spec.json
-    fi
+    PG_TEST_VERSION=$(($pg_version < 16 ? 16 : $pg_version))
     PG_VERSION=$pg_version PG_TEST_VERSION=$PG_TEST_VERSION docker compose --profile test-extensions -f $COMPOSE_FILE up --build -d
 
     echo "wait until the compute is ready. timeout after 60s. "
@@ -61,7 +54,8 @@ for pg_version in ${TEST_VERSION_ONLY-14 15 16 17}; do
         fi
     done
 
-    if [ $pg_version -ge 16 ]; then
+    if [ $pg_version -ge 16 ]
+    then
         echo Enabling trust connection
         docker exec $COMPUTE_CONTAINER_NAME bash -c "sed -i '\$d' /var/db/postgres/compute/pg_hba.conf && echo -e 'host\t all\t all\t all\t trust' >> /var/db/postgres/compute/pg_hba.conf && psql $PSQL_OPTION -c 'select pg_reload_conf()' "
         echo Adding postgres role
@@ -74,13 +68,10 @@ for pg_version in ${TEST_VERSION_ONLY-14 15 16 17}; do
         # The test assumes that it is running on the same host with the postgres engine.
         # In our case it's not true, that's why we are copying files to the compute node
         TMPDIR=$(mktemp -d)
-        # Add support for pg_anon for pg_v16
-        if [ $pg_version -ne 17 ]; then
-          docker cp $TEST_CONTAINER_NAME:/ext-src/pg_anon-src/data $TMPDIR/data
-          echo -e '1\t too \t many \t tabs' > $TMPDIR/data/bad.csv
-          docker cp $TMPDIR/data $COMPUTE_CONTAINER_NAME:/tmp/tmp_anon_alternate_data
+        docker cp $TEST_CONTAINER_NAME:/ext-src/pg_anon-src/data $TMPDIR/data
+        echo -e '1\t too \t many \t tabs' > $TMPDIR/data/bad.csv
+        docker cp $TMPDIR/data $COMPUTE_CONTAINER_NAME:/tmp/tmp_anon_alternate_data
         rm -rf $TMPDIR
-        fi
         TMPDIR=$(mktemp -d)
         # The following block does the same for the pg_hintplan test
         docker cp $TEST_CONTAINER_NAME:/ext-src/pg_hint_plan-src/data $TMPDIR/data
@@ -106,8 +97,4 @@ for pg_version in ${TEST_VERSION_ONLY-14 15 16 17}; do
         fi
     fi
     cleanup
-    # The support of pg_anon not yet added to PG17, so we have to remove the corresponding option
-    if [ $pg_version -eq 17 ]; then
-      mv $SPEC_PATH/spec.bak $SPEC_PATH/spec.json
-    fi
 done

libs/compute_api/src/spec.rs

@@ -19,10 +19,6 @@ pub type PgIdent = String;
 /// String type alias representing Postgres extension version
 pub type ExtVersion = String;
 
-fn default_reconfigure_concurrency() -> usize {
-    1
-}
-
 /// Cluster spec or configuration represented as an optional number of
 /// delta operations + final cluster state description.
 #[derive(Clone, Debug, Default, Deserialize, Serialize)]
@@ -71,7 +67,7 @@ pub struct ComputeSpec {
     pub cluster: Cluster,
     pub delta_operations: Option<Vec<DeltaOp>>,
 
-    /// An optional hint that can be passed to speed up startup time if we know
+    /// An optinal hint that can be passed to speed up startup time if we know
     /// that no pg catalog mutations (like role creation, database creation,
     /// extension creation) need to be done on the actual database to start.
     #[serde(default)] // Default false
@@ -90,7 +86,9 @@ pub struct ComputeSpec {
     // etc. GUCs in cluster.settings. TODO: Once the control plane has been
     // updated to fill these fields, we can make these non optional.
     pub tenant_id: Option<TenantId>,
+
     pub timeline_id: Option<TimelineId>,
+
     pub pageserver_connstring: Option<String>,
 
     #[serde(default)]
@@ -115,20 +113,6 @@ pub struct ComputeSpec {
     /// Local Proxy configuration used for JWT authentication
     #[serde(default)]
     pub local_proxy_config: Option<LocalProxySpec>,
-
-    /// Number of concurrent connections during the parallel RunInEachDatabase
-    /// phase of the apply config process.
-    ///
-    /// We need a higher concurrency during reconfiguration in case of many DBs,
-    /// but instance is already running and used by client. We can easily get out of
-    /// `max_connections` limit, and the current code won't handle that.
-    ///
-    /// Default is 1, but also allow control plane to override this value for specific
-    /// projects. It's also recommended to bump `superuser_reserved_connections` +=
-    /// `reconfigure_concurrency` for such projects to ensure that we always have
-    /// enough spare connections for reconfiguration process to succeed.
-    #[serde(default = "default_reconfigure_concurrency")]
-    pub reconfigure_concurrency: usize,
 }
 
 /// Feature flag to signal `compute_ctl` to enable certain experimental functionality.
@@ -331,9 +315,6 @@ mod tests {
 
         // Features list defaults to empty vector.
         assert!(spec.features.is_empty());
-
-        // Reconfigure concurrency defaults to 1.
-        assert_eq!(spec.reconfigure_concurrency, 1);
     }
 
     #[test]

libs/consumption_metrics/src/lib.rs

@@ -103,12 +103,11 @@ impl<'a> IdempotencyKey<'a> {
     }
 }
 
-/// Split into chunks of 1000 metrics to avoid exceeding the max request size.
 pub const CHUNK_SIZE: usize = 1000;
 
 // Just a wrapper around a slice of events
 // to serialize it as `{"events" : [ ] }
-#[derive(Debug, serde::Serialize, serde::Deserialize, PartialEq)]
-pub struct EventChunk<'a, T: Clone + PartialEq> {
+#[derive(serde::Serialize, Deserialize)]
+pub struct EventChunk<'a, T: Clone> {
     pub events: std::borrow::Cow<'a, [T]>,
 }

libs/metrics/src/more_process_metrics.rs

@@ -2,28 +2,14 @@
 
 // This module has heavy inspiration from the prometheus crate's `process_collector.rs`.
 
-use once_cell::sync::Lazy;
-use prometheus::Gauge;
-
 use crate::UIntGauge;
 
 pub struct Collector {
     descs: Vec<prometheus::core::Desc>,
     vmlck: crate::UIntGauge,
-    cpu_seconds_highres: Gauge,
 }
 
-const NMETRICS: usize = 2;
-
-static CLK_TCK_F64: Lazy<f64> = Lazy::new(|| {
-    let long = unsafe { libc::sysconf(libc::_SC_CLK_TCK) };
-    if long == -1 {
-        panic!("sysconf(_SC_CLK_TCK) failed");
-    }
-    let convertible_to_f64: i32 =
-        i32::try_from(long).expect("sysconf(_SC_CLK_TCK) is larger than i32");
-    convertible_to_f64 as f64
-});
+const NMETRICS: usize = 1;
 
 impl prometheus::core::Collector for Collector {
     fn desc(&self) -> Vec<&prometheus::core::Desc> {
@@ -41,12 +27,6 @@ impl prometheus::core::Collector for Collector {
                 mfs.extend(self.vmlck.collect())
             }
         }
-        if let Ok(stat) = myself.stat() {
-            let cpu_seconds = stat.utime + stat.stime;
-            self.cpu_seconds_highres
-                .set(cpu_seconds as f64 / *CLK_TCK_F64);
-            mfs.extend(self.cpu_seconds_highres.collect());
-        }
         mfs
     }
 }
@@ -63,23 +43,7 @@ impl Collector {
                 .cloned(),
         );
 
-        let cpu_seconds_highres = Gauge::new(
-            "libmetrics_process_cpu_seconds_highres",
-            "Total user and system CPU time spent in seconds.\
-             Sub-second resolution, hence better than `process_cpu_seconds_total`.",
-        )
-        .unwrap();
-        descs.extend(
-            prometheus::core::Collector::desc(&cpu_seconds_highres)
-                .into_iter()
-                .cloned(),
-        );
-
-        Self {
-            descs,
-            vmlck,
-            cpu_seconds_highres,
-        }
+        Self { descs, vmlck }
     }
 }
 

libs/pageserver_api/src/config.rs

@@ -18,7 +18,7 @@ use std::{
     str::FromStr,
     time::Duration,
 };
-use utils::{logging::LogFormat, postgres_client::PostgresClientProtocol};
+use utils::logging::LogFormat;
 
 use crate::models::ImageCompressionAlgorithm;
 use crate::models::LsnLease;
@@ -118,8 +118,8 @@ pub struct ConfigToml {
     pub virtual_file_io_mode: Option<crate::models::virtual_file::IoMode>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub no_sync: Option<bool>,
-    pub wal_receiver_protocol: PostgresClientProtocol,
-    pub page_service_pipelining: PageServicePipeliningConfig,
+    #[serde(with = "humantime_serde")]
+    pub server_side_batch_timeout: Option<Duration>,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
@@ -136,28 +136,6 @@ pub struct DiskUsageEvictionTaskConfig {
     pub eviction_order: EvictionOrder,
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
-#[serde(tag = "mode", rename_all = "kebab-case")]
-#[serde(deny_unknown_fields)]
-pub enum PageServicePipeliningConfig {
-    Serial,
-    Pipelined(PageServicePipeliningConfigPipelined),
-}
-#[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
-#[serde(deny_unknown_fields)]
-pub struct PageServicePipeliningConfigPipelined {
-    /// Causes runtime errors if larger than max get_vectored batch size.
-    pub max_batch_size: NonZeroUsize,
-    pub execution: PageServiceProtocolPipelinedExecutionStrategy,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
-#[serde(rename_all = "kebab-case")]
-pub enum PageServiceProtocolPipelinedExecutionStrategy {
-    ConcurrentFutures,
-    Tasks,
-}
-
 pub mod statvfs {
     pub mod mock {
         #[derive(Debug, Clone, PartialEq, Eq, serde::Serialize, serde::Deserialize)]
@@ -299,8 +277,6 @@ pub struct TenantConfigToml {
     /// Enable auto-offloading of timelines.
     /// (either this flag or the pageserver-global one need to be set)
     pub timeline_offloading: bool,
-
-    pub wal_receiver_protocol_override: Option<PostgresClientProtocol>,
 }
 
 pub mod defaults {
@@ -353,8 +329,7 @@ pub mod defaults {
 
     pub const DEFAULT_IO_BUFFER_ALIGNMENT: usize = 512;
 
-    pub const DEFAULT_WAL_RECEIVER_PROTOCOL: utils::postgres_client::PostgresClientProtocol =
-        utils::postgres_client::PostgresClientProtocol::Vanilla;
+    pub const DEFAULT_SERVER_SIDE_BATCH_TIMEOUT: Option<&str> = None;
 }
 
 impl Default for ConfigToml {
@@ -439,17 +414,10 @@ impl Default for ConfigToml {
             ephemeral_bytes_per_memory_kb: (DEFAULT_EPHEMERAL_BYTES_PER_MEMORY_KB),
             l0_flush: None,
             virtual_file_io_mode: None,
+            server_side_batch_timeout: DEFAULT_SERVER_SIDE_BATCH_TIMEOUT
+                .map(|duration| humantime::parse_duration(duration).unwrap()),
             tenant_config: TenantConfigToml::default(),
             no_sync: None,
-            wal_receiver_protocol: DEFAULT_WAL_RECEIVER_PROTOCOL,
-            page_service_pipelining: if !cfg!(test) {
-                PageServicePipeliningConfig::Serial
-            } else {
-                PageServicePipeliningConfig::Pipelined(PageServicePipeliningConfigPipelined {
-                    max_batch_size: NonZeroUsize::new(32).unwrap(),
-                    execution: PageServiceProtocolPipelinedExecutionStrategy::ConcurrentFutures,
-                })
-            },
         }
     }
 }
@@ -537,7 +505,6 @@ impl Default for TenantConfigToml {
             lsn_lease_length: LsnLease::DEFAULT_LENGTH,
             lsn_lease_length_for_ts: LsnLease::DEFAULT_LENGTH_FOR_TS,
             timeline_offloading: false,
-            wal_receiver_protocol_override: None,
         }
     }
 }

libs/pageserver_api/src/controller_api.rs

@@ -48,7 +48,7 @@ pub struct TenantCreateResponse {
     pub shards: Vec<TenantCreateResponseShard>,
 }
 
-#[derive(Serialize, Deserialize, Debug, Clone)]
+#[derive(Serialize, Deserialize)]
 pub struct NodeRegisterRequest {
     pub node_id: NodeId,
 
@@ -75,7 +75,7 @@ pub struct TenantPolicyRequest {
     pub scheduling: Option<ShardSchedulingPolicy>,
 }
 
-#[derive(Clone, Serialize, Deserialize, PartialEq, Eq, Hash, Debug)]
+#[derive(Clone, Serialize, Deserialize, PartialEq, Eq, Hash)]
 pub struct AvailabilityZone(pub String);
 
 impl Display for AvailabilityZone {

libs/pageserver_api/src/key.rs

@@ -229,18 +229,6 @@ impl Key {
     }
 }
 
-impl CompactKey {
-    pub fn raw(&self) -> i128 {
-        self.0
-    }
-}
-
-impl From<i128> for CompactKey {
-    fn from(value: i128) -> Self {
-        Self(value)
-    }
-}
-
 impl fmt::Display for Key {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(
@@ -770,11 +758,6 @@ impl Key {
             && self.field6 == 1
     }
 
-    #[inline(always)]
-    pub fn is_aux_file_key(&self) -> bool {
-        self.field1 == AUX_KEY_PREFIX
-    }
-
     /// Guaranteed to return `Ok()` if [`Self::is_rel_block_key`] returns `true` for `key`.
     #[inline(always)]
     pub fn to_rel_block(self) -> anyhow::Result<(RelTag, BlockNumber)> {

libs/pageserver_api/src/models.rs

@@ -23,7 +23,6 @@ use utils::{
     completion,
     id::{NodeId, TenantId, TimelineId},
     lsn::Lsn,
-    postgres_client::PostgresClientProtocol,
     serde_system_time,
 };
 
@@ -353,7 +352,6 @@ pub struct TenantConfig {
     pub lsn_lease_length: Option<String>,
     pub lsn_lease_length_for_ts: Option<String>,
     pub timeline_offloading: Option<bool>,
-    pub wal_receiver_protocol_override: Option<PostgresClientProtocol>,
 }
 
 /// The policy for the aux file storage.
@@ -501,9 +499,7 @@ pub struct EvictionPolicyLayerAccessThreshold {
 
 #[derive(Debug, Serialize, Deserialize, Clone, PartialEq, Eq)]
 pub struct ThrottleConfig {
-    /// See [`ThrottleConfigTaskKinds`] for why we do the serde `rename`.
-    #[serde(rename = "task_kinds")]
-    pub enabled: ThrottleConfigTaskKinds,
+    pub task_kinds: Vec<String>, // TaskKind
     pub initial: u32,
     #[serde(with = "humantime_serde")]
     pub refill_interval: Duration,
@@ -511,38 +507,10 @@ pub struct ThrottleConfig {
     pub max: u32,
 }
 
-/// Before <https://github.com/neondatabase/neon/pull/9962>
-/// the throttle was a per `Timeline::get`/`Timeline::get_vectored` call.
-/// The `task_kinds` field controlled which Pageserver "Task Kind"s
-/// were subject to the throttle.
-///
-/// After that PR, the throttle is applied at pagestream request level
-/// and the `task_kinds` field does not apply since the only task kind
-/// that us subject to the throttle is that of the page service.
-///
-/// However, we don't want to make a breaking config change right now
-/// because it means we have to migrate all the tenant configs.
-/// This will be done in a future PR.
-///
-/// In the meantime, we use emptiness / non-emptsiness of the `task_kinds`
-/// field to determine if the throttle is enabled or not.
-#[derive(Serialize, Deserialize, Debug, Clone, PartialEq, Eq)]
-#[serde(transparent)]
-pub struct ThrottleConfigTaskKinds(Vec<String>);
-
-impl ThrottleConfigTaskKinds {
-    pub fn disabled() -> Self {
-        Self(vec![])
-    }
-    pub fn is_enabled(&self) -> bool {
-        !self.0.is_empty()
-    }
-}
-
 impl ThrottleConfig {
     pub fn disabled() -> Self {
         Self {
-            enabled: ThrottleConfigTaskKinds::disabled(),
+            task_kinds: vec![], // effectively disables the throttle
             // other values don't matter with emtpy `task_kinds`.
             initial: 0,
             refill_interval: Duration::from_millis(1),
@@ -556,30 +524,6 @@ impl ThrottleConfig {
     }
 }
 
-#[cfg(test)]
-mod throttle_config_tests {
-    use super::*;
-
-    #[test]
-    fn test_disabled_is_disabled() {
-        let config = ThrottleConfig::disabled();
-        assert!(!config.enabled.is_enabled());
-    }
-    #[test]
-    fn test_enabled_backwards_compat() {
-        let input = serde_json::json!({
-            "task_kinds": ["PageRequestHandler"],
-            "initial": 40000,
-            "refill_interval": "50ms",
-            "refill_amount": 1000,
-            "max": 40000,
-            "fair": true
-        });
-        let config: ThrottleConfig = serde_json::from_value(input).unwrap();
-        assert!(config.enabled.is_enabled());
-    }
-}
-
 /// A flattened analog of a `pagesever::tenant::LocationMode`, which
 /// lists out all possible states (and the virtual "Detached" state)
 /// in a flat form rather than using rust-style enums.

libs/pageserver_api/src/shard.rs

@@ -158,8 +158,7 @@ impl ShardIdentity {
         key_to_shard_number(self.count, self.stripe_size, key)
     }
 
-    /// Return true if the key is stored only on this shard. This does not include
-    /// global keys, see is_key_global().
+    /// Return true if the key should be ingested by this shard
     ///
     /// Shards must ingest _at least_ keys which return true from this check.
     pub fn is_key_local(&self, key: &Key) -> bool {
@@ -171,37 +170,19 @@ impl ShardIdentity {
         }
     }
 
-    /// Return true if the key should be stored on all shards, not just one.
-    pub fn is_key_global(&self, key: &Key) -> bool {
-        if key.is_slru_block_key() || key.is_slru_segment_size_key() || key.is_aux_file_key() {
-            // Special keys that are only stored on shard 0
-            false
-        } else if key.is_rel_block_key() {
-            // Ordinary relation blocks are distributed across shards
-            false
-        } else if key.is_rel_size_key() {
-            // All shards maintain rel size keys (although only shard 0 is responsible for
-            // keeping it strictly accurate, other shards just reflect the highest block they've ingested)
-            true
-        } else {
-            // For everything else, we assume it must be kept everywhere, because ingest code
-            // might assume this -- this covers functionality where the ingest code has
-            // not (yet) been made fully shard aware.
-            true
-        }
-    }
-
     /// Return true if the key should be discarded if found in this shard's
     /// data store, e.g. during compaction after a split.
     ///
     /// Shards _may_ drop keys which return false here, but are not obliged to.
     pub fn is_key_disposable(&self, key: &Key) -> bool {
-        if self.count < ShardCount(2) {
-            // Fast path: unsharded tenant doesn't dispose of anything
-            return false;
-        }
-
-        if self.is_key_global(key) {
+        if key_is_shard0(key) {
+            // Q: Why can't we dispose of shard0 content if we're not shard 0?
+            // A1: because the WAL ingestion logic currently ingests some shard 0
+            //     content on all shards, even though it's only read on shard 0.  If we
+            //     dropped it, then subsequent WAL ingest to these keys would encounter
+            //     an error.
+            // A2: because key_is_shard0 also covers relation size keys, which are written
+            //     on all shards even though they're only maintained accurately on shard 0.
             false
         } else {
             !self.is_key_local(key)

libs/pq_proto/src/lib.rs

@@ -100,7 +100,7 @@ impl StartupMessageParamsBuilder {
 
 #[derive(Debug, Clone, Default)]
 pub struct StartupMessageParams {
-    pub params: Bytes,
+    params: Bytes,
 }
 
 impl StartupMessageParams {
@@ -562,11 +562,6 @@ pub enum BeMessage<'a> {
         options: &'a [&'a str],
     },
     KeepAlive(WalSndKeepAlive),
-    /// Batch of interpreted, shard filtered WAL records,
-    /// ready for the pageserver to ingest
-    InterpretedWalRecords(InterpretedWalRecordsBody<'a>),
-
-    Raw(u8, &'a [u8]),
 }
 
 /// Common shorthands.
@@ -677,22 +672,6 @@ pub struct WalSndKeepAlive {
     pub request_reply: bool,
 }
 
-/// Batch of interpreted WAL records used in the interpreted
-/// safekeeper to pageserver protocol.
-///
-/// Note that the pageserver uses the RawInterpretedWalRecordsBody
-/// counterpart of this from the neondatabase/rust-postgres repo.
-/// If you're changing this struct, you likely need to change its
-/// twin as well.
-#[derive(Debug)]
-pub struct InterpretedWalRecordsBody<'a> {
-    /// End of raw WAL in [`Self::data`]
-    pub streaming_lsn: u64,
-    /// Current end of WAL on the server
-    pub commit_lsn: u64,
-    pub data: &'a [u8],
-}
-
 pub static HELLO_WORLD_ROW: BeMessage = BeMessage::DataRow(&[Some(b"hello world")]);
 
 // single text column
@@ -756,10 +735,6 @@ impl BeMessage<'_> {
     /// one more buffer.
     pub fn write(buf: &mut BytesMut, message: &BeMessage) -> Result<(), ProtocolError> {
         match message {
-            BeMessage::Raw(code, data) => {
-                buf.put_u8(*code);
-                write_body(buf, |b| b.put_slice(data))
-            }
             BeMessage::AuthenticationOk => {
                 buf.put_u8(b'R');
                 write_body(buf, |buf| {
@@ -1021,19 +996,6 @@ impl BeMessage<'_> {
                     Ok(())
                 })?
             }
-
-            BeMessage::InterpretedWalRecords(rec) => {
-                // We use the COPY_DATA_TAG for our custom message
-                // since this tag is interpreted as raw bytes.
-                buf.put_u8(b'd');
-                write_body(buf, |buf| {
-                    buf.put_u8(b'0'); // matches INTERPRETED_WAL_RECORD_TAG in postgres-protocol
-                                      // dependency
-                    buf.put_u64(rec.streaming_lsn);
-                    buf.put_u64(rec.commit_lsn);
-                    buf.put_slice(rec.data);
-                });
-            }
         }
         Ok(())
     }

libs/proxy/README.md

@@ -1,6 +0,0 @@
-This directory contains libraries that are specific for proxy.
-
-Currently, it contains a signficant fork/refactoring of rust-postgres that no longer reflects the API
-of the original library. Since it was so significant, it made sense to upgrade it to it's own set of libraries.
-
-Proxy needs unique access to the protocol, which explains why such heavy modifications were necessary.

libs/proxy/postgres-protocol2/Cargo.toml

@@ -1,20 +0,0 @@
-[package]
-name = "postgres-protocol2"
-version = "0.1.0"
-edition = "2018"
-license = "MIT/Apache-2.0"
-
-[dependencies]
-base64 = "0.20"
-byteorder.workspace = true
-bytes.workspace = true
-fallible-iterator.workspace = true
-hmac.workspace = true
-memchr = "2.0"
-rand.workspace = true
-sha2.workspace = true
-stringprep = "0.1"
-tokio = { workspace = true, features = ["rt"] }
-
-[dev-dependencies]
-tokio = { workspace = true, features = ["full"] }

libs/proxy/postgres-protocol2/src/authentication/mod.rs

@@ -1,2 +0,0 @@
-//! Authentication protocol support.
-pub mod sasl;

libs/proxy/postgres-protocol2/src/authentication/sasl.rs

@@ -1,516 +0,0 @@
-//! SASL-based authentication support.
-
-use hmac::{Hmac, Mac};
-use rand::{self, Rng};
-use sha2::digest::FixedOutput;
-use sha2::{Digest, Sha256};
-use std::fmt::Write;
-use std::io;
-use std::iter;
-use std::mem;
-use std::str;
-use tokio::task::yield_now;
-
-const NONCE_LENGTH: usize = 24;
-
-/// The identifier of the SCRAM-SHA-256 SASL authentication mechanism.
-pub const SCRAM_SHA_256: &str = "SCRAM-SHA-256";
-/// The identifier of the SCRAM-SHA-256-PLUS SASL authentication mechanism.
-pub const SCRAM_SHA_256_PLUS: &str = "SCRAM-SHA-256-PLUS";
-
-// since postgres passwords are not required to exclude saslprep-prohibited
-// characters or even be valid UTF8, we run saslprep if possible and otherwise
-// return the raw password.
-fn normalize(pass: &[u8]) -> Vec<u8> {
-    let pass = match str::from_utf8(pass) {
-        Ok(pass) => pass,
-        Err(_) => return pass.to_vec(),
-    };
-
-    match stringprep::saslprep(pass) {
-        Ok(pass) => pass.into_owned().into_bytes(),
-        Err(_) => pass.as_bytes().to_vec(),
-    }
-}
-
-pub(crate) async fn hi(str: &[u8], salt: &[u8], iterations: u32) -> [u8; 32] {
-    let mut hmac =
-        Hmac::<Sha256>::new_from_slice(str).expect("HMAC is able to accept all key sizes");
-    hmac.update(salt);
-    hmac.update(&[0, 0, 0, 1]);
-    let mut prev = hmac.finalize().into_bytes();
-
-    let mut hi = prev;
-
-    for i in 1..iterations {
-        let mut hmac = Hmac::<Sha256>::new_from_slice(str).expect("already checked above");
-        hmac.update(&prev);
-        prev = hmac.finalize().into_bytes();
-
-        for (hi, prev) in hi.iter_mut().zip(prev) {
-            *hi ^= prev;
-        }
-        // yield every ~250us
-        // hopefully reduces tail latencies
-        if i % 1024 == 0 {
-            yield_now().await
-        }
-    }
-
-    hi.into()
-}
-
-enum ChannelBindingInner {
-    Unrequested,
-    Unsupported,
-    TlsServerEndPoint(Vec<u8>),
-}
-
-/// The channel binding configuration for a SCRAM authentication exchange.
-pub struct ChannelBinding(ChannelBindingInner);
-
-impl ChannelBinding {
-    /// The server did not request channel binding.
-    pub fn unrequested() -> ChannelBinding {
-        ChannelBinding(ChannelBindingInner::Unrequested)
-    }
-
-    /// The server requested channel binding but the client is unable to provide it.
-    pub fn unsupported() -> ChannelBinding {
-        ChannelBinding(ChannelBindingInner::Unsupported)
-    }
-
-    /// The server requested channel binding and the client will use the `tls-server-end-point`
-    /// method.
-    pub fn tls_server_end_point(signature: Vec<u8>) -> ChannelBinding {
-        ChannelBinding(ChannelBindingInner::TlsServerEndPoint(signature))
-    }
-
-    fn gs2_header(&self) -> &'static str {
-        match self.0 {
-            ChannelBindingInner::Unrequested => "y,,",
-            ChannelBindingInner::Unsupported => "n,,",
-            ChannelBindingInner::TlsServerEndPoint(_) => "p=tls-server-end-point,,",
-        }
-    }
-
-    fn cbind_data(&self) -> &[u8] {
-        match self.0 {
-            ChannelBindingInner::Unrequested | ChannelBindingInner::Unsupported => &[],
-            ChannelBindingInner::TlsServerEndPoint(ref buf) => buf,
-        }
-    }
-}
-
-/// A pair of keys for the SCRAM-SHA-256 mechanism.
-/// See <https://datatracker.ietf.org/doc/html/rfc5802#section-3> for details.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub struct ScramKeys<const N: usize> {
-    /// Used by server to authenticate client.
-    pub client_key: [u8; N],
-    /// Used by client to verify server's signature.
-    pub server_key: [u8; N],
-}
-
-/// Password or keys which were derived from it.
-enum Credentials<const N: usize> {
-    /// A regular password as a vector of bytes.
-    Password(Vec<u8>),
-    /// A precomputed pair of keys.
-    Keys(ScramKeys<N>),
-}
-
-enum State {
-    Update {
-        nonce: String,
-        password: Credentials<32>,
-        channel_binding: ChannelBinding,
-    },
-    Finish {
-        server_key: [u8; 32],
-        auth_message: String,
-    },
-    Done,
-}
-
-/// A type which handles the client side of the SCRAM-SHA-256/SCRAM-SHA-256-PLUS authentication
-/// process.
-///
-/// During the authentication process, if the backend sends an `AuthenticationSASL` message which
-/// includes `SCRAM-SHA-256` as an authentication mechanism, this type can be used.
-///
-/// After a `ScramSha256` is constructed, the buffer returned by the `message()` method should be
-/// sent to the backend in a `SASLInitialResponse` message along with the mechanism name.
-///
-/// The server will reply with an `AuthenticationSASLContinue` message. Its contents should be
-/// passed to the `update()` method, after which the buffer returned by the `message()` method
-/// should be sent to the backend in a `SASLResponse` message.
-///
-/// The server will reply with an `AuthenticationSASLFinal` message. Its contents should be passed
-/// to the `finish()` method, after which the authentication process is complete.
-pub struct ScramSha256 {
-    message: String,
-    state: State,
-}
-
-fn nonce() -> String {
-    // rand 0.5's ThreadRng is cryptographically secure
-    let mut rng = rand::thread_rng();
-    (0..NONCE_LENGTH)
-        .map(|_| {
-            let mut v = rng.gen_range(0x21u8..0x7e);
-            if v == 0x2c {
-                v = 0x7e
-            }
-            v as char
-        })
-        .collect()
-}
-
-impl ScramSha256 {
-    /// Constructs a new instance which will use the provided password for authentication.
-    pub fn new(password: &[u8], channel_binding: ChannelBinding) -> ScramSha256 {
-        let password = Credentials::Password(normalize(password));
-        ScramSha256::new_inner(password, channel_binding, nonce())
-    }
-
-    /// Constructs a new instance which will use the provided key pair for authentication.
-    pub fn new_with_keys(keys: ScramKeys<32>, channel_binding: ChannelBinding) -> ScramSha256 {
-        let password = Credentials::Keys(keys);
-        ScramSha256::new_inner(password, channel_binding, nonce())
-    }
-
-    fn new_inner(
-        password: Credentials<32>,
-        channel_binding: ChannelBinding,
-        nonce: String,
-    ) -> ScramSha256 {
-        ScramSha256 {
-            message: format!("{}n=,r={}", channel_binding.gs2_header(), nonce),
-            state: State::Update {
-                nonce,
-                password,
-                channel_binding,
-            },
-        }
-    }
-
-    /// Returns the message which should be sent to the backend in an `SASLResponse` message.
-    pub fn message(&self) -> &[u8] {
-        if let State::Done = self.state {
-            panic!("invalid SCRAM state");
-        }
-        self.message.as_bytes()
-    }
-
-    /// Updates the state machine with the response from the backend.
-    ///
-    /// This should be called when an `AuthenticationSASLContinue` message is received.
-    pub async fn update(&mut self, message: &[u8]) -> io::Result<()> {
-        let (client_nonce, password, channel_binding) =
-            match mem::replace(&mut self.state, State::Done) {
-                State::Update {
-                    nonce,
-                    password,
-                    channel_binding,
-                } => (nonce, password, channel_binding),
-                _ => return Err(io::Error::new(io::ErrorKind::Other, "invalid SCRAM state")),
-            };
-
-        let message =
-            str::from_utf8(message).map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))?;
-
-        let parsed = Parser::new(message).server_first_message()?;
-
-        if !parsed.nonce.starts_with(&client_nonce) {
-            return Err(io::Error::new(io::ErrorKind::InvalidInput, "invalid nonce"));
-        }
-
-        let (client_key, server_key) = match password {
-            Credentials::Password(password) => {
-                let salt = match base64::decode(parsed.salt) {
-                    Ok(salt) => salt,
-                    Err(e) => return Err(io::Error::new(io::ErrorKind::InvalidInput, e)),
-                };
-
-                let salted_password = hi(&password, &salt, parsed.iteration_count).await;
-
-                let make_key = |name| {
-                    let mut hmac = Hmac::<Sha256>::new_from_slice(&salted_password)
-                        .expect("HMAC is able to accept all key sizes");
-                    hmac.update(name);
-
-                    let mut key = [0u8; 32];
-                    key.copy_from_slice(hmac.finalize().into_bytes().as_slice());
-                    key
-                };
-
-                (make_key(b"Client Key"), make_key(b"Server Key"))
-            }
-            Credentials::Keys(keys) => (keys.client_key, keys.server_key),
-        };
-
-        let mut hash = Sha256::default();
-        hash.update(client_key);
-        let stored_key = hash.finalize_fixed();
-
-        let mut cbind_input = vec![];
-        cbind_input.extend(channel_binding.gs2_header().as_bytes());
-        cbind_input.extend(channel_binding.cbind_data());
-        let cbind_input = base64::encode(&cbind_input);
-
-        self.message.clear();
-        write!(&mut self.message, "c={},r={}", cbind_input, parsed.nonce).unwrap();
-
-        let auth_message = format!("n=,r={},{},{}", client_nonce, message, self.message);
-
-        let mut hmac = Hmac::<Sha256>::new_from_slice(&stored_key)
-            .expect("HMAC is able to accept all key sizes");
-        hmac.update(auth_message.as_bytes());
-        let client_signature = hmac.finalize().into_bytes();
-
-        let mut client_proof = client_key;
-        for (proof, signature) in client_proof.iter_mut().zip(client_signature) {
-            *proof ^= signature;
-        }
-
-        write!(&mut self.message, ",p={}", base64::encode(client_proof)).unwrap();
-
-        self.state = State::Finish {
-            server_key,
-            auth_message,
-        };
-        Ok(())
-    }
-
-    /// Finalizes the authentication process.
-    ///
-    /// This should be called when the backend sends an `AuthenticationSASLFinal` message.
-    /// Authentication has only succeeded if this method returns `Ok(())`.
-    pub fn finish(&mut self, message: &[u8]) -> io::Result<()> {
-        let (server_key, auth_message) = match mem::replace(&mut self.state, State::Done) {
-            State::Finish {
-                server_key,
-                auth_message,
-            } => (server_key, auth_message),
-            _ => return Err(io::Error::new(io::ErrorKind::Other, "invalid SCRAM state")),
-        };
-
-        let message =
-            str::from_utf8(message).map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))?;
-
-        let parsed = Parser::new(message).server_final_message()?;
-
-        let verifier = match parsed {
-            ServerFinalMessage::Error(e) => {
-                return Err(io::Error::new(
-                    io::ErrorKind::Other,
-                    format!("SCRAM error: {}", e),
-                ));
-            }
-            ServerFinalMessage::Verifier(verifier) => verifier,
-        };
-
-        let verifier = match base64::decode(verifier) {
-            Ok(verifier) => verifier,
-            Err(e) => return Err(io::Error::new(io::ErrorKind::InvalidInput, e)),
-        };
-
-        let mut hmac = Hmac::<Sha256>::new_from_slice(&server_key)
-            .expect("HMAC is able to accept all key sizes");
-        hmac.update(auth_message.as_bytes());
-        hmac.verify_slice(&verifier)
-            .map_err(|_| io::Error::new(io::ErrorKind::InvalidInput, "SCRAM verification error"))
-    }
-}
-
-struct Parser<'a> {
-    s: &'a str,
-    it: iter::Peekable<str::CharIndices<'a>>,
-}
-
-impl<'a> Parser<'a> {
-    fn new(s: &'a str) -> Parser<'a> {
-        Parser {
-            s,
-            it: s.char_indices().peekable(),
-        }
-    }
-
-    fn eat(&mut self, target: char) -> io::Result<()> {
-        match self.it.next() {
-            Some((_, c)) if c == target => Ok(()),
-            Some((i, c)) => {
-                let m = format!(
-                    "unexpected character at byte {}: expected `{}` but got `{}",
-                    i, target, c
-                );
-                Err(io::Error::new(io::ErrorKind::InvalidInput, m))
-            }
-            None => Err(io::Error::new(
-                io::ErrorKind::UnexpectedEof,
-                "unexpected EOF",
-            )),
-        }
-    }
-
-    fn take_while<F>(&mut self, f: F) -> io::Result<&'a str>
-    where
-        F: Fn(char) -> bool,
-    {
-        let start = match self.it.peek() {
-            Some(&(i, _)) => i,
-            None => return Ok(""),
-        };
-
-        loop {
-            match self.it.peek() {
-                Some(&(_, c)) if f(c) => {
-                    self.it.next();
-                }
-                Some(&(i, _)) => return Ok(&self.s[start..i]),
-                None => return Ok(&self.s[start..]),
-            }
-        }
-    }
-
-    fn printable(&mut self) -> io::Result<&'a str> {
-        self.take_while(|c| matches!(c, '\x21'..='\x2b' | '\x2d'..='\x7e'))
-    }
-
-    fn nonce(&mut self) -> io::Result<&'a str> {
-        self.eat('r')?;
-        self.eat('=')?;
-        self.printable()
-    }
-
-    fn base64(&mut self) -> io::Result<&'a str> {
-        self.take_while(|c| matches!(c, 'a'..='z' | 'A'..='Z' | '0'..='9' | '/' | '+' | '='))
-    }
-
-    fn salt(&mut self) -> io::Result<&'a str> {
-        self.eat('s')?;
-        self.eat('=')?;
-        self.base64()
-    }
-
-    fn posit_number(&mut self) -> io::Result<u32> {
-        let n = self.take_while(|c| c.is_ascii_digit())?;
-        n.parse()
-            .map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
-    }
-
-    fn iteration_count(&mut self) -> io::Result<u32> {
-        self.eat('i')?;
-        self.eat('=')?;
-        self.posit_number()
-    }
-
-    fn eof(&mut self) -> io::Result<()> {
-        match self.it.peek() {
-            Some(&(i, _)) => Err(io::Error::new(
-                io::ErrorKind::InvalidInput,
-                format!("unexpected trailing data at byte {}", i),
-            )),
-            None => Ok(()),
-        }
-    }
-
-    fn server_first_message(&mut self) -> io::Result<ServerFirstMessage<'a>> {
-        let nonce = self.nonce()?;
-        self.eat(',')?;
-        let salt = self.salt()?;
-        self.eat(',')?;
-        let iteration_count = self.iteration_count()?;
-        self.eof()?;
-
-        Ok(ServerFirstMessage {
-            nonce,
-            salt,
-            iteration_count,
-        })
-    }
-
-    fn value(&mut self) -> io::Result<&'a str> {
-        self.take_while(|c| matches!(c, '\0' | '=' | ','))
-    }
-
-    fn server_error(&mut self) -> io::Result<Option<&'a str>> {
-        match self.it.peek() {
-            Some(&(_, 'e')) => {}
-            _ => return Ok(None),
-        }
-
-        self.eat('e')?;
-        self.eat('=')?;
-        self.value().map(Some)
-    }
-
-    fn verifier(&mut self) -> io::Result<&'a str> {
-        self.eat('v')?;
-        self.eat('=')?;
-        self.base64()
-    }
-
-    fn server_final_message(&mut self) -> io::Result<ServerFinalMessage<'a>> {
-        let message = match self.server_error()? {
-            Some(error) => ServerFinalMessage::Error(error),
-            None => ServerFinalMessage::Verifier(self.verifier()?),
-        };
-        self.eof()?;
-        Ok(message)
-    }
-}
-
-struct ServerFirstMessage<'a> {
-    nonce: &'a str,
-    salt: &'a str,
-    iteration_count: u32,
-}
-
-enum ServerFinalMessage<'a> {
-    Error(&'a str),
-    Verifier(&'a str),
-}
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    #[test]
-    fn parse_server_first_message() {
-        let message = "r=fyko+d2lbbFgONRv9qkxdawL3rfcNHYJY1ZVvWVs7j,s=QSXCR+Q6sek8bf92,i=4096";
-        let message = Parser::new(message).server_first_message().unwrap();
-        assert_eq!(message.nonce, "fyko+d2lbbFgONRv9qkxdawL3rfcNHYJY1ZVvWVs7j");
-        assert_eq!(message.salt, "QSXCR+Q6sek8bf92");
-        assert_eq!(message.iteration_count, 4096);
-    }
-
-    // recorded auth exchange from psql
-    #[tokio::test]
-    async fn exchange() {
-        let password = "foobar";
-        let nonce = "9IZ2O01zb9IgiIZ1WJ/zgpJB";
-
-        let client_first = "n,,n=,r=9IZ2O01zb9IgiIZ1WJ/zgpJB";
-        let server_first =
-            "r=9IZ2O01zb9IgiIZ1WJ/zgpJBjx/oIRLs02gGSHcw1KEty3eY,s=fs3IXBy7U7+IvVjZ,i\
-             =4096";
-        let client_final =
-            "c=biws,r=9IZ2O01zb9IgiIZ1WJ/zgpJBjx/oIRLs02gGSHcw1KEty3eY,p=AmNKosjJzS3\
-             1NTlQYNs5BTeQjdHdk7lOflDo5re2an8=";
-        let server_final = "v=U+ppxD5XUKtradnv8e2MkeupiA8FU87Sg8CXzXHDAzw=";
-
-        let mut scram = ScramSha256::new_inner(
-            Credentials::Password(normalize(password.as_bytes())),
-            ChannelBinding::unsupported(),
-            nonce.to_string(),
-        );
-        assert_eq!(str::from_utf8(scram.message()).unwrap(), client_first);
-
-        scram.update(server_first.as_bytes()).await.unwrap();
-        assert_eq!(str::from_utf8(scram.message()).unwrap(), client_final);
-
-        scram.finish(server_final.as_bytes()).unwrap();
-    }
-}

libs/proxy/postgres-protocol2/src/escape/mod.rs

@@ -1,93 +0,0 @@
-//! Provides functions for escaping literals and identifiers for use
-//! in SQL queries.
-//!
-//! Prefer parameterized queries where possible. Do not escape
-//! parameters in a parameterized query.
-
-#[cfg(test)]
-mod test;
-
-/// Escape a literal and surround result with single quotes. Not
-/// recommended in most cases.
-///
-/// If input contains backslashes, result will be of the form `
-/// E'...'` so it is safe to use regardless of the setting of
-/// standard_conforming_strings.
-pub fn escape_literal(input: &str) -> String {
-    escape_internal(input, false)
-}
-
-/// Escape an identifier and surround result with double quotes.
-pub fn escape_identifier(input: &str) -> String {
-    escape_internal(input, true)
-}
-
-// Translation of PostgreSQL libpq's PQescapeInternal(). Does not
-// require a connection because input string is known to be valid
-// UTF-8.
-//
-// Escape arbitrary strings.  If as_ident is true, we escape the
-// result as an identifier; if false, as a literal.  The result is
-// returned in a newly allocated buffer.  If we fail due to an
-// encoding violation or out of memory condition, we return NULL,
-// storing an error message into conn.
-fn escape_internal(input: &str, as_ident: bool) -> String {
-    let mut num_backslashes = 0;
-    let mut num_quotes = 0;
-    let quote_char = if as_ident { '"' } else { '\'' };
-
-    // Scan the string for characters that must be escaped.
-    for ch in input.chars() {
-        if ch == quote_char {
-            num_quotes += 1;
-        } else if ch == '\\' {
-            num_backslashes += 1;
-        }
-    }
-
-    // Allocate output String.
-    let mut result_size = input.len() + num_quotes + 3; // two quotes, plus a NUL
-    if !as_ident && num_backslashes > 0 {
-        result_size += num_backslashes + 2;
-    }
-
-    let mut output = String::with_capacity(result_size);
-
-    // If we are escaping a literal that contains backslashes, we use
-    // the escape string syntax so that the result is correct under
-    // either value of standard_conforming_strings.  We also emit a
-    // leading space in this case, to guard against the possibility
-    // that the result might be interpolated immediately following an
-    // identifier.
-    if !as_ident && num_backslashes > 0 {
-        output.push(' ');
-        output.push('E');
-    }
-
-    // Opening quote.
-    output.push(quote_char);
-
-    // Use fast path if possible.
-    //
-    // We've already verified that the input string is well-formed in
-    // the current encoding.  If it contains no quotes and, in the
-    // case of literal-escaping, no backslashes, then we can just copy
-    // it directly to the output buffer, adding the necessary quotes.
-    //
-    // If not, we must rescan the input and process each character
-    // individually.
-    if num_quotes == 0 && (num_backslashes == 0 || as_ident) {
-        output.push_str(input);
-    } else {
-        for ch in input.chars() {
-            if ch == quote_char || (!as_ident && ch == '\\') {
-                output.push(ch);
-            }
-            output.push(ch);
-        }
-    }
-
-    output.push(quote_char);
-
-    output
-}

libs/proxy/postgres-protocol2/src/escape/test.rs

@@ -1,17 +0,0 @@
-use crate::escape::{escape_identifier, escape_literal};
-
-#[test]
-fn test_escape_idenifier() {
-    assert_eq!(escape_identifier("foo"), String::from("\"foo\""));
-    assert_eq!(escape_identifier("f\\oo"), String::from("\"f\\oo\""));
-    assert_eq!(escape_identifier("f'oo"), String::from("\"f'oo\""));
-    assert_eq!(escape_identifier("f\"oo"), String::from("\"f\"\"oo\""));
-}
-
-#[test]
-fn test_escape_literal() {
-    assert_eq!(escape_literal("foo"), String::from("'foo'"));
-    assert_eq!(escape_literal("f\\oo"), String::from(" E'f\\\\oo'"));
-    assert_eq!(escape_literal("f'oo"), String::from("'f''oo'"));
-    assert_eq!(escape_literal("f\"oo"), String::from("'f\"oo'"));
-}

libs/proxy/postgres-protocol2/src/lib.rs

@@ -1,78 +0,0 @@
-//! Low level Postgres protocol APIs.
-//!
-//! This crate implements the low level components of Postgres's communication
-//! protocol, including message and value serialization and deserialization.
-//! It is designed to be used as a building block by higher level APIs such as
-//! `rust-postgres`, and should not typically be used directly.
-//!
-//! # Note
-//!
-//! This library assumes that the `client_encoding` backend parameter has been
-//! set to `UTF8`. It will most likely not behave properly if that is not the case.
-#![doc(html_root_url = "https://docs.rs/postgres-protocol/0.6")]
-#![warn(missing_docs, rust_2018_idioms, clippy::all)]
-
-use byteorder::{BigEndian, ByteOrder};
-use bytes::{BufMut, BytesMut};
-use std::io;
-
-pub mod authentication;
-pub mod escape;
-pub mod message;
-pub mod password;
-pub mod types;
-
-/// A Postgres OID.
-pub type Oid = u32;
-
-/// A Postgres Log Sequence Number (LSN).
-pub type Lsn = u64;
-
-/// An enum indicating if a value is `NULL` or not.
-pub enum IsNull {
-    /// The value is `NULL`.
-    Yes,
-    /// The value is not `NULL`.
-    No,
-}
-
-fn write_nullable<F, E>(serializer: F, buf: &mut BytesMut) -> Result<(), E>
-where
-    F: FnOnce(&mut BytesMut) -> Result<IsNull, E>,
-    E: From<io::Error>,
-{
-    let base = buf.len();
-    buf.put_i32(0);
-    let size = match serializer(buf)? {
-        IsNull::No => i32::from_usize(buf.len() - base - 4)?,
-        IsNull::Yes => -1,
-    };
-    BigEndian::write_i32(&mut buf[base..], size);
-
-    Ok(())
-}
-
-trait FromUsize: Sized {
-    fn from_usize(x: usize) -> Result<Self, io::Error>;
-}
-
-macro_rules! from_usize {
-    ($t:ty) => {
-        impl FromUsize for $t {
-            #[inline]
-            fn from_usize(x: usize) -> io::Result<$t> {
-                if x > <$t>::MAX as usize {
-                    Err(io::Error::new(
-                        io::ErrorKind::InvalidInput,
-                        "value too large to transmit",
-                    ))
-                } else {
-                    Ok(x as $t)
-                }
-            }
-        }
-    };
-}
-
-from_usize!(i16);
-from_usize!(i32);

libs/proxy/postgres-protocol2/src/message/backend.rs

@@ -1,766 +0,0 @@
-#![allow(missing_docs)]
-
-use byteorder::{BigEndian, ByteOrder, ReadBytesExt};
-use bytes::{Bytes, BytesMut};
-use fallible_iterator::FallibleIterator;
-use memchr::memchr;
-use std::cmp;
-use std::io::{self, Read};
-use std::ops::Range;
-use std::str;
-
-use crate::Oid;
-
-// top-level message tags
-const PARSE_COMPLETE_TAG: u8 = b'1';
-const BIND_COMPLETE_TAG: u8 = b'2';
-const CLOSE_COMPLETE_TAG: u8 = b'3';
-pub const NOTIFICATION_RESPONSE_TAG: u8 = b'A';
-const COPY_DONE_TAG: u8 = b'c';
-const COMMAND_COMPLETE_TAG: u8 = b'C';
-const COPY_DATA_TAG: u8 = b'd';
-const DATA_ROW_TAG: u8 = b'D';
-const ERROR_RESPONSE_TAG: u8 = b'E';
-const COPY_IN_RESPONSE_TAG: u8 = b'G';
-const COPY_OUT_RESPONSE_TAG: u8 = b'H';
-const COPY_BOTH_RESPONSE_TAG: u8 = b'W';
-const EMPTY_QUERY_RESPONSE_TAG: u8 = b'I';
-const BACKEND_KEY_DATA_TAG: u8 = b'K';
-pub const NO_DATA_TAG: u8 = b'n';
-pub const NOTICE_RESPONSE_TAG: u8 = b'N';
-const AUTHENTICATION_TAG: u8 = b'R';
-const PORTAL_SUSPENDED_TAG: u8 = b's';
-pub const PARAMETER_STATUS_TAG: u8 = b'S';
-const PARAMETER_DESCRIPTION_TAG: u8 = b't';
-const ROW_DESCRIPTION_TAG: u8 = b'T';
-pub const READY_FOR_QUERY_TAG: u8 = b'Z';
-
-#[derive(Debug, Copy, Clone)]
-pub struct Header {
-    tag: u8,
-    len: i32,
-}
-
-#[allow(clippy::len_without_is_empty)]
-impl Header {
-    #[inline]
-    pub fn parse(buf: &[u8]) -> io::Result<Option<Header>> {
-        if buf.len() < 5 {
-            return Ok(None);
-        }
-
-        let tag = buf[0];
-        let len = BigEndian::read_i32(&buf[1..]);
-
-        if len < 4 {
-            return Err(io::Error::new(
-                io::ErrorKind::InvalidData,
-                "invalid message length: header length < 4",
-            ));
-        }
-
-        Ok(Some(Header { tag, len }))
-    }
-
-    #[inline]
-    pub fn tag(self) -> u8 {
-        self.tag
-    }
-
-    #[inline]
-    pub fn len(self) -> i32 {
-        self.len
-    }
-}
-
-/// An enum representing Postgres backend messages.
-#[non_exhaustive]
-pub enum Message {
-    AuthenticationCleartextPassword,
-    AuthenticationGss,
-    AuthenticationKerberosV5,
-    AuthenticationMd5Password,
-    AuthenticationOk,
-    AuthenticationScmCredential,
-    AuthenticationSspi,
-    AuthenticationGssContinue,
-    AuthenticationSasl(AuthenticationSaslBody),
-    AuthenticationSaslContinue(AuthenticationSaslContinueBody),
-    AuthenticationSaslFinal(AuthenticationSaslFinalBody),
-    BackendKeyData(BackendKeyDataBody),
-    BindComplete,
-    CloseComplete,
-    CommandComplete(CommandCompleteBody),
-    CopyData,
-    CopyDone,
-    CopyInResponse,
-    CopyOutResponse,
-    CopyBothResponse,
-    DataRow(DataRowBody),
-    EmptyQueryResponse,
-    ErrorResponse(ErrorResponseBody),
-    NoData,
-    NoticeResponse(NoticeResponseBody),
-    NotificationResponse(NotificationResponseBody),
-    ParameterDescription(ParameterDescriptionBody),
-    ParameterStatus(ParameterStatusBody),
-    ParseComplete,
-    PortalSuspended,
-    ReadyForQuery(ReadyForQueryBody),
-    RowDescription(RowDescriptionBody),
-}
-
-impl Message {
-    #[inline]
-    pub fn parse(buf: &mut BytesMut) -> io::Result<Option<Message>> {
-        if buf.len() < 5 {
-            let to_read = 5 - buf.len();
-            buf.reserve(to_read);
-            return Ok(None);
-        }
-
-        let tag = buf[0];
-        let len = (&buf[1..5]).read_u32::<BigEndian>().unwrap();
-
-        if len < 4 {
-            return Err(io::Error::new(
-                io::ErrorKind::InvalidInput,
-                "invalid message length: parsing u32",
-            ));
-        }
-
-        let total_len = len as usize + 1;
-        if buf.len() < total_len {
-            let to_read = total_len - buf.len();
-            buf.reserve(to_read);
-            return Ok(None);
-        }
-
-        let mut buf = Buffer {
-            bytes: buf.split_to(total_len).freeze(),
-            idx: 5,
-        };
-
-        let message = match tag {
-            PARSE_COMPLETE_TAG => Message::ParseComplete,
-            BIND_COMPLETE_TAG => Message::BindComplete,
-            CLOSE_COMPLETE_TAG => Message::CloseComplete,
-            NOTIFICATION_RESPONSE_TAG => {
-                let process_id = buf.read_i32::<BigEndian>()?;
-                let channel = buf.read_cstr()?;
-                let message = buf.read_cstr()?;
-                Message::NotificationResponse(NotificationResponseBody {
-                    process_id,
-                    channel,
-                    message,
-                })
-            }
-            COPY_DONE_TAG => Message::CopyDone,
-            COMMAND_COMPLETE_TAG => {
-                let tag = buf.read_cstr()?;
-                Message::CommandComplete(CommandCompleteBody { tag })
-            }
-            COPY_DATA_TAG => Message::CopyData,
-            DATA_ROW_TAG => {
-                let len = buf.read_u16::<BigEndian>()?;
-                let storage = buf.read_all();
-                Message::DataRow(DataRowBody { storage, len })
-            }
-            ERROR_RESPONSE_TAG => {
-                let storage = buf.read_all();
-                Message::ErrorResponse(ErrorResponseBody { storage })
-            }
-            COPY_IN_RESPONSE_TAG => Message::CopyInResponse,
-            COPY_OUT_RESPONSE_TAG => Message::CopyOutResponse,
-            COPY_BOTH_RESPONSE_TAG => Message::CopyBothResponse,
-            EMPTY_QUERY_RESPONSE_TAG => Message::EmptyQueryResponse,
-            BACKEND_KEY_DATA_TAG => {
-                let process_id = buf.read_i32::<BigEndian>()?;
-                let secret_key = buf.read_i32::<BigEndian>()?;
-                Message::BackendKeyData(BackendKeyDataBody {
-                    process_id,
-                    secret_key,
-                })
-            }
-            NO_DATA_TAG => Message::NoData,
-            NOTICE_RESPONSE_TAG => {
-                let storage = buf.read_all();
-                Message::NoticeResponse(NoticeResponseBody { storage })
-            }
-            AUTHENTICATION_TAG => match buf.read_i32::<BigEndian>()? {
-                0 => Message::AuthenticationOk,
-                2 => Message::AuthenticationKerberosV5,
-                3 => Message::AuthenticationCleartextPassword,
-                5 => Message::AuthenticationMd5Password,
-                6 => Message::AuthenticationScmCredential,
-                7 => Message::AuthenticationGss,
-                8 => Message::AuthenticationGssContinue,
-                9 => Message::AuthenticationSspi,
-                10 => {
-                    let storage = buf.read_all();
-                    Message::AuthenticationSasl(AuthenticationSaslBody(storage))
-                }
-                11 => {
-                    let storage = buf.read_all();
-                    Message::AuthenticationSaslContinue(AuthenticationSaslContinueBody(storage))
-                }
-                12 => {
-                    let storage = buf.read_all();
-                    Message::AuthenticationSaslFinal(AuthenticationSaslFinalBody(storage))
-                }
-                tag => {
-                    return Err(io::Error::new(
-                        io::ErrorKind::InvalidInput,
-                        format!("unknown authentication tag `{}`", tag),
-                    ));
-                }
-            },
-            PORTAL_SUSPENDED_TAG => Message::PortalSuspended,
-            PARAMETER_STATUS_TAG => {
-                let name = buf.read_cstr()?;
-                let value = buf.read_cstr()?;
-                Message::ParameterStatus(ParameterStatusBody { name, value })
-            }
-            PARAMETER_DESCRIPTION_TAG => {
-                let len = buf.read_u16::<BigEndian>()?;
-                let storage = buf.read_all();
-                Message::ParameterDescription(ParameterDescriptionBody { storage, len })
-            }
-            ROW_DESCRIPTION_TAG => {
-                let len = buf.read_u16::<BigEndian>()?;
-                let storage = buf.read_all();
-                Message::RowDescription(RowDescriptionBody { storage, len })
-            }
-            READY_FOR_QUERY_TAG => {
-                let status = buf.read_u8()?;
-                Message::ReadyForQuery(ReadyForQueryBody { status })
-            }
-            tag => {
-                return Err(io::Error::new(
-                    io::ErrorKind::InvalidInput,
-                    format!("unknown message tag `{}`", tag),
-                ));
-            }
-        };
-
-        if !buf.is_empty() {
-            return Err(io::Error::new(
-                io::ErrorKind::InvalidInput,
-                "invalid message length: expected buffer to be empty",
-            ));
-        }
-
-        Ok(Some(message))
-    }
-}
-
-struct Buffer {
-    bytes: Bytes,
-    idx: usize,
-}
-
-impl Buffer {
-    #[inline]
-    fn slice(&self) -> &[u8] {
-        &self.bytes[self.idx..]
-    }
-
-    #[inline]
-    fn is_empty(&self) -> bool {
-        self.slice().is_empty()
-    }
-
-    #[inline]
-    fn read_cstr(&mut self) -> io::Result<Bytes> {
-        match memchr(0, self.slice()) {
-            Some(pos) => {
-                let start = self.idx;
-                let end = start + pos;
-                let cstr = self.bytes.slice(start..end);
-                self.idx = end + 1;
-                Ok(cstr)
-            }
-            None => Err(io::Error::new(
-                io::ErrorKind::UnexpectedEof,
-                "unexpected EOF",
-            )),
-        }
-    }
-
-    #[inline]
-    fn read_all(&mut self) -> Bytes {
-        let buf = self.bytes.slice(self.idx..);
-        self.idx = self.bytes.len();
-        buf
-    }
-}
-
-impl Read for Buffer {
-    #[inline]
-    fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
-        let len = {
-            let slice = self.slice();
-            let len = cmp::min(slice.len(), buf.len());
-            buf[..len].copy_from_slice(&slice[..len]);
-            len
-        };
-        self.idx += len;
-        Ok(len)
-    }
-}
-
-pub struct AuthenticationMd5PasswordBody {
-    salt: [u8; 4],
-}
-
-impl AuthenticationMd5PasswordBody {
-    #[inline]
-    pub fn salt(&self) -> [u8; 4] {
-        self.salt
-    }
-}
-
-pub struct AuthenticationSaslBody(Bytes);
-
-impl AuthenticationSaslBody {
-    #[inline]
-    pub fn mechanisms(&self) -> SaslMechanisms<'_> {
-        SaslMechanisms(&self.0)
-    }
-}
-
-pub struct SaslMechanisms<'a>(&'a [u8]);
-
-impl<'a> FallibleIterator for SaslMechanisms<'a> {
-    type Item = &'a str;
-    type Error = io::Error;
-
-    #[inline]
-    fn next(&mut self) -> io::Result<Option<&'a str>> {
-        let value_end = find_null(self.0, 0)?;
-        if value_end == 0 {
-            if self.0.len() != 1 {
-                return Err(io::Error::new(
-                    io::ErrorKind::InvalidData,
-                    "invalid message length: expected to be at end of iterator for sasl",
-                ));
-            }
-            Ok(None)
-        } else {
-            let value = get_str(&self.0[..value_end])?;
-            self.0 = &self.0[value_end + 1..];
-            Ok(Some(value))
-        }
-    }
-}
-
-pub struct AuthenticationSaslContinueBody(Bytes);
-
-impl AuthenticationSaslContinueBody {
-    #[inline]
-    pub fn data(&self) -> &[u8] {
-        &self.0
-    }
-}
-
-pub struct AuthenticationSaslFinalBody(Bytes);
-
-impl AuthenticationSaslFinalBody {
-    #[inline]
-    pub fn data(&self) -> &[u8] {
-        &self.0
-    }
-}
-
-pub struct BackendKeyDataBody {
-    process_id: i32,
-    secret_key: i32,
-}
-
-impl BackendKeyDataBody {
-    #[inline]
-    pub fn process_id(&self) -> i32 {
-        self.process_id
-    }
-
-    #[inline]
-    pub fn secret_key(&self) -> i32 {
-        self.secret_key
-    }
-}
-
-pub struct CommandCompleteBody {
-    tag: Bytes,
-}
-
-impl CommandCompleteBody {
-    #[inline]
-    pub fn tag(&self) -> io::Result<&str> {
-        get_str(&self.tag)
-    }
-}
-
-#[derive(Debug)]
-pub struct DataRowBody {
-    storage: Bytes,
-    len: u16,
-}
-
-impl DataRowBody {
-    #[inline]
-    pub fn ranges(&self) -> DataRowRanges<'_> {
-        DataRowRanges {
-            buf: &self.storage,
-            len: self.storage.len(),
-            remaining: self.len,
-        }
-    }
-
-    #[inline]
-    pub fn buffer(&self) -> &[u8] {
-        &self.storage
-    }
-}
-
-pub struct DataRowRanges<'a> {
-    buf: &'a [u8],
-    len: usize,
-    remaining: u16,
-}
-
-impl FallibleIterator for DataRowRanges<'_> {
-    type Item = Option<Range<usize>>;
-    type Error = io::Error;
-
-    #[inline]
-    fn next(&mut self) -> io::Result<Option<Option<Range<usize>>>> {
-        if self.remaining == 0 {
-            if self.buf.is_empty() {
-                return Ok(None);
-            } else {
-                return Err(io::Error::new(
-                    io::ErrorKind::InvalidInput,
-                    "invalid message length: datarowrange is not empty",
-                ));
-            }
-        }
-
-        self.remaining -= 1;
-        let len = self.buf.read_i32::<BigEndian>()?;
-        if len < 0 {
-            Ok(Some(None))
-        } else {
-            let len = len as usize;
-            if self.buf.len() < len {
-                return Err(io::Error::new(
-                    io::ErrorKind::UnexpectedEof,
-                    "unexpected EOF",
-                ));
-            }
-            let base = self.len - self.buf.len();
-            self.buf = &self.buf[len..];
-            Ok(Some(Some(base..base + len)))
-        }
-    }
-
-    #[inline]
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        let len = self.remaining as usize;
-        (len, Some(len))
-    }
-}
-
-pub struct ErrorResponseBody {
-    storage: Bytes,
-}
-
-impl ErrorResponseBody {
-    #[inline]
-    pub fn fields(&self) -> ErrorFields<'_> {
-        ErrorFields { buf: &self.storage }
-    }
-}
-
-pub struct ErrorFields<'a> {
-    buf: &'a [u8],
-}
-
-impl<'a> FallibleIterator for ErrorFields<'a> {
-    type Item = ErrorField<'a>;
-    type Error = io::Error;
-
-    #[inline]
-    fn next(&mut self) -> io::Result<Option<ErrorField<'a>>> {
-        let type_ = self.buf.read_u8()?;
-        if type_ == 0 {
-            if self.buf.is_empty() {
-                return Ok(None);
-            } else {
-                return Err(io::Error::new(
-                    io::ErrorKind::InvalidInput,
-                    "invalid message length: error fields is not drained",
-                ));
-            }
-        }
-
-        let value_end = find_null(self.buf, 0)?;
-        let value = get_str(&self.buf[..value_end])?;
-        self.buf = &self.buf[value_end + 1..];
-
-        Ok(Some(ErrorField { type_, value }))
-    }
-}
-
-pub struct ErrorField<'a> {
-    type_: u8,
-    value: &'a str,
-}
-
-impl ErrorField<'_> {
-    #[inline]
-    pub fn type_(&self) -> u8 {
-        self.type_
-    }
-
-    #[inline]
-    pub fn value(&self) -> &str {
-        self.value
-    }
-}
-
-pub struct NoticeResponseBody {
-    storage: Bytes,
-}
-
-impl NoticeResponseBody {
-    #[inline]
-    pub fn fields(&self) -> ErrorFields<'_> {
-        ErrorFields { buf: &self.storage }
-    }
-
-    pub fn as_bytes(&self) -> &[u8] {
-        &self.storage
-    }
-}
-
-pub struct NotificationResponseBody {
-    process_id: i32,
-    channel: Bytes,
-    message: Bytes,
-}
-
-impl NotificationResponseBody {
-    #[inline]
-    pub fn process_id(&self) -> i32 {
-        self.process_id
-    }
-
-    #[inline]
-    pub fn channel(&self) -> io::Result<&str> {
-        get_str(&self.channel)
-    }
-
-    #[inline]
-    pub fn message(&self) -> io::Result<&str> {
-        get_str(&self.message)
-    }
-}
-
-pub struct ParameterDescriptionBody {
-    storage: Bytes,
-    len: u16,
-}
-
-impl ParameterDescriptionBody {
-    #[inline]
-    pub fn parameters(&self) -> Parameters<'_> {
-        Parameters {
-            buf: &self.storage,
-            remaining: self.len,
-        }
-    }
-}
-
-pub struct Parameters<'a> {
-    buf: &'a [u8],
-    remaining: u16,
-}
-
-impl FallibleIterator for Parameters<'_> {
-    type Item = Oid;
-    type Error = io::Error;
-
-    #[inline]
-    fn next(&mut self) -> io::Result<Option<Oid>> {
-        if self.remaining == 0 {
-            if self.buf.is_empty() {
-                return Ok(None);
-            } else {
-                return Err(io::Error::new(
-                    io::ErrorKind::InvalidInput,
-                    "invalid message length: parameters is not drained",
-                ));
-            }
-        }
-
-        self.remaining -= 1;
-        self.buf.read_u32::<BigEndian>().map(Some)
-    }
-
-    #[inline]
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        let len = self.remaining as usize;
-        (len, Some(len))
-    }
-}
-
-pub struct ParameterStatusBody {
-    name: Bytes,
-    value: Bytes,
-}
-
-impl ParameterStatusBody {
-    #[inline]
-    pub fn name(&self) -> io::Result<&str> {
-        get_str(&self.name)
-    }
-
-    #[inline]
-    pub fn value(&self) -> io::Result<&str> {
-        get_str(&self.value)
-    }
-}
-
-pub struct ReadyForQueryBody {
-    status: u8,
-}
-
-impl ReadyForQueryBody {
-    #[inline]
-    pub fn status(&self) -> u8 {
-        self.status
-    }
-}
-
-pub struct RowDescriptionBody {
-    storage: Bytes,
-    len: u16,
-}
-
-impl RowDescriptionBody {
-    #[inline]
-    pub fn fields(&self) -> Fields<'_> {
-        Fields {
-            buf: &self.storage,
-            remaining: self.len,
-        }
-    }
-}
-
-pub struct Fields<'a> {
-    buf: &'a [u8],
-    remaining: u16,
-}
-
-impl<'a> FallibleIterator for Fields<'a> {
-    type Item = Field<'a>;
-    type Error = io::Error;
-
-    #[inline]
-    fn next(&mut self) -> io::Result<Option<Field<'a>>> {
-        if self.remaining == 0 {
-            if self.buf.is_empty() {
-                return Ok(None);
-            } else {
-                return Err(io::Error::new(
-                    io::ErrorKind::InvalidInput,
-                    "invalid message length: field is not drained",
-                ));
-            }
-        }
-
-        self.remaining -= 1;
-        let name_end = find_null(self.buf, 0)?;
-        let name = get_str(&self.buf[..name_end])?;
-        self.buf = &self.buf[name_end + 1..];
-        let table_oid = self.buf.read_u32::<BigEndian>()?;
-        let column_id = self.buf.read_i16::<BigEndian>()?;
-        let type_oid = self.buf.read_u32::<BigEndian>()?;
-        let type_size = self.buf.read_i16::<BigEndian>()?;
-        let type_modifier = self.buf.read_i32::<BigEndian>()?;
-        let format = self.buf.read_i16::<BigEndian>()?;
-
-        Ok(Some(Field {
-            name,
-            table_oid,
-            column_id,
-            type_oid,
-            type_size,
-            type_modifier,
-            format,
-        }))
-    }
-}
-
-pub struct Field<'a> {
-    name: &'a str,
-    table_oid: Oid,
-    column_id: i16,
-    type_oid: Oid,
-    type_size: i16,
-    type_modifier: i32,
-    format: i16,
-}
-
-impl<'a> Field<'a> {
-    #[inline]
-    pub fn name(&self) -> &'a str {
-        self.name
-    }
-
-    #[inline]
-    pub fn table_oid(&self) -> Oid {
-        self.table_oid
-    }
-
-    #[inline]
-    pub fn column_id(&self) -> i16 {
-        self.column_id
-    }
-
-    #[inline]
-    pub fn type_oid(&self) -> Oid {
-        self.type_oid
-    }
-
-    #[inline]
-    pub fn type_size(&self) -> i16 {
-        self.type_size
-    }
-
-    #[inline]
-    pub fn type_modifier(&self) -> i32 {
-        self.type_modifier
-    }
-
-    #[inline]
-    pub fn format(&self) -> i16 {
-        self.format
-    }
-}
-
-#[inline]
-fn find_null(buf: &[u8], start: usize) -> io::Result<usize> {
-    match memchr(0, &buf[start..]) {
-        Some(pos) => Ok(pos + start),
-        None => Err(io::Error::new(
-            io::ErrorKind::UnexpectedEof,
-            "unexpected EOF",
-        )),
-    }
-}
-
-#[inline]
-fn get_str(buf: &[u8]) -> io::Result<&str> {
-    str::from_utf8(buf).map_err(|e| io::Error::new(io::ErrorKind::InvalidInput, e))
-}

libs/proxy/postgres-protocol2/src/message/frontend.rs

@@ -1,309 +0,0 @@
-//! Frontend message serialization.
-#![allow(missing_docs)]
-
-use byteorder::{BigEndian, ByteOrder};
-use bytes::{Buf, BufMut, BytesMut};
-use std::convert::TryFrom;
-use std::error::Error;
-use std::io;
-use std::marker;
-
-use crate::{write_nullable, FromUsize, IsNull, Oid};
-
-#[inline]
-fn write_body<F, E>(buf: &mut BytesMut, f: F) -> Result<(), E>
-where
-    F: FnOnce(&mut BytesMut) -> Result<(), E>,
-    E: From<io::Error>,
-{
-    let base = buf.len();
-    buf.extend_from_slice(&[0; 4]);
-
-    f(buf)?;
-
-    let size = i32::from_usize(buf.len() - base)?;
-    BigEndian::write_i32(&mut buf[base..], size);
-    Ok(())
-}
-
-pub enum BindError {
-    Conversion(Box<dyn Error + marker::Sync + Send>),
-    Serialization(io::Error),
-}
-
-impl From<Box<dyn Error + marker::Sync + Send>> for BindError {
-    #[inline]
-    fn from(e: Box<dyn Error + marker::Sync + Send>) -> BindError {
-        BindError::Conversion(e)
-    }
-}
-
-impl From<io::Error> for BindError {
-    #[inline]
-    fn from(e: io::Error) -> BindError {
-        BindError::Serialization(e)
-    }
-}
-
-#[inline]
-pub fn bind<I, J, F, T, K>(
-    portal: &str,
-    statement: &str,
-    formats: I,
-    values: J,
-    mut serializer: F,
-    result_formats: K,
-    buf: &mut BytesMut,
-) -> Result<(), BindError>
-where
-    I: IntoIterator<Item = i16>,
-    J: IntoIterator<Item = T>,
-    F: FnMut(T, &mut BytesMut) -> Result<IsNull, Box<dyn Error + marker::Sync + Send>>,
-    K: IntoIterator<Item = i16>,
-{
-    buf.put_u8(b'B');
-
-    write_body(buf, |buf| {
-        write_cstr(portal.as_bytes(), buf)?;
-        write_cstr(statement.as_bytes(), buf)?;
-        write_counted(
-            formats,
-            |f, buf| {
-                buf.put_i16(f);
-                Ok::<_, io::Error>(())
-            },
-            buf,
-        )?;
-        write_counted(
-            values,
-            |v, buf| write_nullable(|buf| serializer(v, buf), buf),
-            buf,
-        )?;
-        write_counted(
-            result_formats,
-            |f, buf| {
-                buf.put_i16(f);
-                Ok::<_, io::Error>(())
-            },
-            buf,
-        )?;
-
-        Ok(())
-    })
-}
-
-#[inline]
-fn write_counted<I, T, F, E>(items: I, mut serializer: F, buf: &mut BytesMut) -> Result<(), E>
-where
-    I: IntoIterator<Item = T>,
-    F: FnMut(T, &mut BytesMut) -> Result<(), E>,
-    E: From<io::Error>,
-{
-    let base = buf.len();
-    buf.extend_from_slice(&[0; 2]);
-    let mut count = 0;
-    for item in items {
-        serializer(item, buf)?;
-        count += 1;
-    }
-    let count = i16::from_usize(count)?;
-    BigEndian::write_i16(&mut buf[base..], count);
-
-    Ok(())
-}
-
-#[inline]
-pub fn cancel_request(process_id: i32, secret_key: i32, buf: &mut BytesMut) {
-    write_body(buf, |buf| {
-        buf.put_i32(80_877_102);
-        buf.put_i32(process_id);
-        buf.put_i32(secret_key);
-        Ok::<_, io::Error>(())
-    })
-    .unwrap();
-}
-
-#[inline]
-pub fn close(variant: u8, name: &str, buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'C');
-    write_body(buf, |buf| {
-        buf.put_u8(variant);
-        write_cstr(name.as_bytes(), buf)
-    })
-}
-
-pub struct CopyData<T> {
-    buf: T,
-    len: i32,
-}
-
-impl<T> CopyData<T>
-where
-    T: Buf,
-{
-    pub fn new(buf: T) -> io::Result<CopyData<T>> {
-        let len = buf
-            .remaining()
-            .checked_add(4)
-            .and_then(|l| i32::try_from(l).ok())
-            .ok_or_else(|| {
-                io::Error::new(io::ErrorKind::InvalidInput, "message length overflow")
-            })?;
-
-        Ok(CopyData { buf, len })
-    }
-
-    pub fn write(self, out: &mut BytesMut) {
-        out.put_u8(b'd');
-        out.put_i32(self.len);
-        out.put(self.buf);
-    }
-}
-
-#[inline]
-pub fn copy_done(buf: &mut BytesMut) {
-    buf.put_u8(b'c');
-    write_body(buf, |_| Ok::<(), io::Error>(())).unwrap();
-}
-
-#[inline]
-pub fn copy_fail(message: &str, buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'f');
-    write_body(buf, |buf| write_cstr(message.as_bytes(), buf))
-}
-
-#[inline]
-pub fn describe(variant: u8, name: &str, buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'D');
-    write_body(buf, |buf| {
-        buf.put_u8(variant);
-        write_cstr(name.as_bytes(), buf)
-    })
-}
-
-#[inline]
-pub fn execute(portal: &str, max_rows: i32, buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'E');
-    write_body(buf, |buf| {
-        write_cstr(portal.as_bytes(), buf)?;
-        buf.put_i32(max_rows);
-        Ok(())
-    })
-}
-
-#[inline]
-pub fn parse<I>(name: &str, query: &str, param_types: I, buf: &mut BytesMut) -> io::Result<()>
-where
-    I: IntoIterator<Item = Oid>,
-{
-    buf.put_u8(b'P');
-    write_body(buf, |buf| {
-        write_cstr(name.as_bytes(), buf)?;
-        write_cstr(query.as_bytes(), buf)?;
-        write_counted(
-            param_types,
-            |t, buf| {
-                buf.put_u32(t);
-                Ok::<_, io::Error>(())
-            },
-            buf,
-        )?;
-        Ok(())
-    })
-}
-
-#[inline]
-pub fn password_message(password: &[u8], buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'p');
-    write_body(buf, |buf| write_cstr(password, buf))
-}
-
-#[inline]
-pub fn query(query: &str, buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'Q');
-    write_body(buf, |buf| write_cstr(query.as_bytes(), buf))
-}
-
-#[inline]
-pub fn sasl_initial_response(mechanism: &str, data: &[u8], buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'p');
-    write_body(buf, |buf| {
-        write_cstr(mechanism.as_bytes(), buf)?;
-        let len = i32::from_usize(data.len())?;
-        buf.put_i32(len);
-        buf.put_slice(data);
-        Ok(())
-    })
-}
-
-#[inline]
-pub fn sasl_response(data: &[u8], buf: &mut BytesMut) -> io::Result<()> {
-    buf.put_u8(b'p');
-    write_body(buf, |buf| {
-        buf.put_slice(data);
-        Ok(())
-    })
-}
-
-#[inline]
-pub fn ssl_request(buf: &mut BytesMut) {
-    write_body(buf, |buf| {
-        buf.put_i32(80_877_103);
-        Ok::<_, io::Error>(())
-    })
-    .unwrap();
-}
-
-#[inline]
-pub fn startup_message(parameters: &StartupMessageParams, buf: &mut BytesMut) -> io::Result<()> {
-    write_body(buf, |buf| {
-        // postgres protocol version 3.0(196608) in bigger-endian
-        buf.put_i32(0x00_03_00_00);
-        buf.put_slice(&parameters.params);
-        buf.put_u8(0);
-        Ok(())
-    })
-}
-
-#[derive(Debug, Clone, Default, PartialEq, Eq)]
-pub struct StartupMessageParams {
-    pub params: BytesMut,
-}
-
-impl StartupMessageParams {
-    /// Set parameter's value by its name.
-    pub fn insert(&mut self, name: &str, value: &str) {
-        if name.contains('\0') || value.contains('\0') {
-            panic!("startup parameter name or value contained a null")
-        }
-        self.params.put_slice(name.as_bytes());
-        self.params.put_u8(0);
-        self.params.put_slice(value.as_bytes());
-        self.params.put_u8(0);
-    }
-}
-
-#[inline]
-pub fn sync(buf: &mut BytesMut) {
-    buf.put_u8(b'S');
-    write_body(buf, |_| Ok::<(), io::Error>(())).unwrap();
-}
-
-#[inline]
-pub fn terminate(buf: &mut BytesMut) {
-    buf.put_u8(b'X');
-    write_body(buf, |_| Ok::<(), io::Error>(())).unwrap();
-}
-
-#[inline]
-fn write_cstr(s: &[u8], buf: &mut BytesMut) -> Result<(), io::Error> {
-    if s.contains(&0) {
-        return Err(io::Error::new(
-            io::ErrorKind::InvalidInput,
-            "string contains embedded null",
-        ));
-    }
-    buf.put_slice(s);
-    buf.put_u8(0);
-    Ok(())
-}

libs/proxy/postgres-protocol2/src/message/mod.rs

@@ -1,8 +0,0 @@
-//! Postgres message protocol support.
-//!
-//! See [Postgres's documentation][docs] for more information on message flow.
-//!
-//! [docs]: https://www.postgresql.org/docs/9.5/static/protocol-flow.html
-
-pub mod backend;
-pub mod frontend;

libs/proxy/postgres-protocol2/src/password/mod.rs

@@ -1,89 +0,0 @@
-//! Functions to encrypt a password in the client.
-//!
-//! This is intended to be used by client applications that wish to
-//! send commands like `ALTER USER joe PASSWORD 'pwd'`. The password
-//! need not be sent in cleartext if it is encrypted on the client
-//! side. This is good because it ensures the cleartext password won't
-//! end up in logs pg_stat displays, etc.
-
-use crate::authentication::sasl;
-use hmac::{Hmac, Mac};
-use rand::RngCore;
-use sha2::digest::FixedOutput;
-use sha2::{Digest, Sha256};
-
-#[cfg(test)]
-mod test;
-
-const SCRAM_DEFAULT_ITERATIONS: u32 = 4096;
-const SCRAM_DEFAULT_SALT_LEN: usize = 16;
-
-/// Hash password using SCRAM-SHA-256 with a randomly-generated
-/// salt.
-///
-/// The client may assume the returned string doesn't contain any
-/// special characters that would require escaping in an SQL command.
-pub async fn scram_sha_256(password: &[u8]) -> String {
-    let mut salt: [u8; SCRAM_DEFAULT_SALT_LEN] = [0; SCRAM_DEFAULT_SALT_LEN];
-    let mut rng = rand::thread_rng();
-    rng.fill_bytes(&mut salt);
-    scram_sha_256_salt(password, salt).await
-}
-
-// Internal implementation of scram_sha_256 with a caller-provided
-// salt. This is useful for testing.
-pub(crate) async fn scram_sha_256_salt(
-    password: &[u8],
-    salt: [u8; SCRAM_DEFAULT_SALT_LEN],
-) -> String {
-    // Prepare the password, per [RFC
-    // 4013](https://tools.ietf.org/html/rfc4013), if possible.
-    //
-    // Postgres treats passwords as byte strings (without embedded NUL
-    // bytes), but SASL expects passwords to be valid UTF-8.
-    //
-    // Follow the behavior of libpq's PQencryptPasswordConn(), and
-    // also the backend. If the password is not valid UTF-8, or if it
-    // contains prohibited characters (such as non-ASCII whitespace),
-    // just skip the SASLprep step and use the original byte
-    // sequence.
-    let prepared: Vec<u8> = match std::str::from_utf8(password) {
-        Ok(password_str) => {
-            match stringprep::saslprep(password_str) {
-                Ok(p) => p.into_owned().into_bytes(),
-                // contains invalid characters; skip saslprep
-                Err(_) => Vec::from(password),
-            }
-        }
-        // not valid UTF-8; skip saslprep
-        Err(_) => Vec::from(password),
-    };
-
-    // salt password
-    let salted_password = sasl::hi(&prepared, &salt, SCRAM_DEFAULT_ITERATIONS).await;
-
-    // client key
-    let mut hmac = Hmac::<Sha256>::new_from_slice(&salted_password)
-        .expect("HMAC is able to accept all key sizes");
-    hmac.update(b"Client Key");
-    let client_key = hmac.finalize().into_bytes();
-
-    // stored key
-    let mut hash = Sha256::default();
-    hash.update(client_key.as_slice());
-    let stored_key = hash.finalize_fixed();
-
-    // server key
-    let mut hmac = Hmac::<Sha256>::new_from_slice(&salted_password)
-        .expect("HMAC is able to accept all key sizes");
-    hmac.update(b"Server Key");
-    let server_key = hmac.finalize().into_bytes();
-
-    format!(
-        "SCRAM-SHA-256${}:{}${}:{}",
-        SCRAM_DEFAULT_ITERATIONS,
-        base64::encode(salt),
-        base64::encode(stored_key),
-        base64::encode(server_key)
-    )
-}

libs/proxy/postgres-protocol2/src/password/test.rs

@@ -1,11 +0,0 @@
-use crate::password;
-
-#[tokio::test]
-async fn test_encrypt_scram_sha_256() {
-    // Specify the salt to make the test deterministic. Any bytes will do.
-    let salt: [u8; 16] = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16];
-    assert_eq!(
-        password::scram_sha_256_salt(b"secret", salt).await,
-        "SCRAM-SHA-256$4096:AQIDBAUGBwgJCgsMDQ4PEA==$8rrDg00OqaiWXJ7p+sCgHEIaBSHY89ZJl3mfIsf32oY=:05L1f+yZbiN8O0AnO40Og85NNRhvzTS57naKRWCcsIA="
-    );
-}

libs/proxy/postgres-protocol2/src/types/mod.rs

@@ -1,294 +0,0 @@
-//! Conversions to and from Postgres's binary format for various types.
-use byteorder::{BigEndian, ReadBytesExt};
-use bytes::{BufMut, BytesMut};
-use fallible_iterator::FallibleIterator;
-use std::boxed::Box as StdBox;
-use std::error::Error;
-use std::str;
-
-use crate::Oid;
-
-#[cfg(test)]
-mod test;
-
-/// Serializes a `TEXT`, `VARCHAR`, `CHAR(n)`, `NAME`, or `CITEXT` value.
-#[inline]
-pub fn text_to_sql(v: &str, buf: &mut BytesMut) {
-    buf.put_slice(v.as_bytes());
-}
-
-/// Deserializes a `TEXT`, `VARCHAR`, `CHAR(n)`, `NAME`, or `CITEXT` value.
-#[inline]
-pub fn text_from_sql(buf: &[u8]) -> Result<&str, StdBox<dyn Error + Sync + Send>> {
-    Ok(str::from_utf8(buf)?)
-}
-
-/// Deserializes a `"char"` value.
-#[inline]
-pub fn char_from_sql(mut buf: &[u8]) -> Result<i8, StdBox<dyn Error + Sync + Send>> {
-    let v = buf.read_i8()?;
-    if !buf.is_empty() {
-        return Err("invalid buffer size".into());
-    }
-    Ok(v)
-}
-
-/// Serializes an `OID` value.
-#[inline]
-pub fn oid_to_sql(v: Oid, buf: &mut BytesMut) {
-    buf.put_u32(v);
-}
-
-/// Deserializes an `OID` value.
-#[inline]
-pub fn oid_from_sql(mut buf: &[u8]) -> Result<Oid, StdBox<dyn Error + Sync + Send>> {
-    let v = buf.read_u32::<BigEndian>()?;
-    if !buf.is_empty() {
-        return Err("invalid buffer size".into());
-    }
-    Ok(v)
-}
-
-/// A fallible iterator over `HSTORE` entries.
-pub struct HstoreEntries<'a> {
-    remaining: i32,
-    buf: &'a [u8],
-}
-
-impl<'a> FallibleIterator for HstoreEntries<'a> {
-    type Item = (&'a str, Option<&'a str>);
-    type Error = StdBox<dyn Error + Sync + Send>;
-
-    #[inline]
-    #[allow(clippy::type_complexity)]
-    fn next(
-        &mut self,
-    ) -> Result<Option<(&'a str, Option<&'a str>)>, StdBox<dyn Error + Sync + Send>> {
-        if self.remaining == 0 {
-            if !self.buf.is_empty() {
-                return Err("invalid buffer size".into());
-            }
-            return Ok(None);
-        }
-
-        self.remaining -= 1;
-
-        let key_len = self.buf.read_i32::<BigEndian>()?;
-        if key_len < 0 {
-            return Err("invalid key length".into());
-        }
-        let (key, buf) = self.buf.split_at(key_len as usize);
-        let key = str::from_utf8(key)?;
-        self.buf = buf;
-
-        let value_len = self.buf.read_i32::<BigEndian>()?;
-        let value = if value_len < 0 {
-            None
-        } else {
-            let (value, buf) = self.buf.split_at(value_len as usize);
-            let value = str::from_utf8(value)?;
-            self.buf = buf;
-            Some(value)
-        };
-
-        Ok(Some((key, value)))
-    }
-
-    #[inline]
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        let len = self.remaining as usize;
-        (len, Some(len))
-    }
-}
-
-/// Deserializes an array value.
-#[inline]
-pub fn array_from_sql(mut buf: &[u8]) -> Result<Array<'_>, StdBox<dyn Error + Sync + Send>> {
-    let dimensions = buf.read_i32::<BigEndian>()?;
-    if dimensions < 0 {
-        return Err("invalid dimension count".into());
-    }
-
-    let mut r = buf;
-    let mut elements = 1i32;
-    for _ in 0..dimensions {
-        let len = r.read_i32::<BigEndian>()?;
-        if len < 0 {
-            return Err("invalid dimension size".into());
-        }
-        let _lower_bound = r.read_i32::<BigEndian>()?;
-        elements = match elements.checked_mul(len) {
-            Some(elements) => elements,
-            None => return Err("too many array elements".into()),
-        };
-    }
-
-    if dimensions == 0 {
-        elements = 0;
-    }
-
-    Ok(Array {
-        dimensions,
-        elements,
-        buf,
-    })
-}
-
-/// A Postgres array.
-pub struct Array<'a> {
-    dimensions: i32,
-    elements: i32,
-    buf: &'a [u8],
-}
-
-impl<'a> Array<'a> {
-    /// Returns an iterator over the dimensions of the array.
-    #[inline]
-    pub fn dimensions(&self) -> ArrayDimensions<'a> {
-        ArrayDimensions(&self.buf[..self.dimensions as usize * 8])
-    }
-
-    /// Returns an iterator over the values of the array.
-    #[inline]
-    pub fn values(&self) -> ArrayValues<'a> {
-        ArrayValues {
-            remaining: self.elements,
-            buf: &self.buf[self.dimensions as usize * 8..],
-        }
-    }
-}
-
-/// An iterator over the dimensions of an array.
-pub struct ArrayDimensions<'a>(&'a [u8]);
-
-impl FallibleIterator for ArrayDimensions<'_> {
-    type Item = ArrayDimension;
-    type Error = StdBox<dyn Error + Sync + Send>;
-
-    #[inline]
-    fn next(&mut self) -> Result<Option<ArrayDimension>, StdBox<dyn Error + Sync + Send>> {
-        if self.0.is_empty() {
-            return Ok(None);
-        }
-
-        let len = self.0.read_i32::<BigEndian>()?;
-        let lower_bound = self.0.read_i32::<BigEndian>()?;
-
-        Ok(Some(ArrayDimension { len, lower_bound }))
-    }
-
-    #[inline]
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        let len = self.0.len() / 8;
-        (len, Some(len))
-    }
-}
-
-/// Information about a dimension of an array.
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-pub struct ArrayDimension {
-    /// The length of this dimension.
-    pub len: i32,
-
-    /// The base value used to index into this dimension.
-    pub lower_bound: i32,
-}
-
-/// An iterator over the values of an array, in row-major order.
-pub struct ArrayValues<'a> {
-    remaining: i32,
-    buf: &'a [u8],
-}
-
-impl<'a> FallibleIterator for ArrayValues<'a> {
-    type Item = Option<&'a [u8]>;
-    type Error = StdBox<dyn Error + Sync + Send>;
-
-    #[inline]
-    fn next(&mut self) -> Result<Option<Option<&'a [u8]>>, StdBox<dyn Error + Sync + Send>> {
-        if self.remaining == 0 {
-            if !self.buf.is_empty() {
-                return Err("invalid message length: arrayvalue not drained".into());
-            }
-            return Ok(None);
-        }
-        self.remaining -= 1;
-
-        let len = self.buf.read_i32::<BigEndian>()?;
-        let val = if len < 0 {
-            None
-        } else {
-            if self.buf.len() < len as usize {
-                return Err("invalid value length".into());
-            }
-
-            let (val, buf) = self.buf.split_at(len as usize);
-            self.buf = buf;
-            Some(val)
-        };
-
-        Ok(Some(val))
-    }
-
-    fn size_hint(&self) -> (usize, Option<usize>) {
-        let len = self.remaining as usize;
-        (len, Some(len))
-    }
-}
-
-/// Serializes a Postgres ltree string
-#[inline]
-pub fn ltree_to_sql(v: &str, buf: &mut BytesMut) {
-    // A version number is prepended to an ltree string per spec
-    buf.put_u8(1);
-    // Append the rest of the query
-    buf.put_slice(v.as_bytes());
-}
-
-/// Deserialize a Postgres ltree string
-#[inline]
-pub fn ltree_from_sql(buf: &[u8]) -> Result<&str, StdBox<dyn Error + Sync + Send>> {
-    match buf {
-        // Remove the version number from the front of the ltree per spec
-        [1u8, rest @ ..] => Ok(str::from_utf8(rest)?),
-        _ => Err("ltree version 1 only supported".into()),
-    }
-}
-
-/// Serializes a Postgres lquery string
-#[inline]
-pub fn lquery_to_sql(v: &str, buf: &mut BytesMut) {
-    // A version number is prepended to an lquery string per spec
-    buf.put_u8(1);
-    // Append the rest of the query
-    buf.put_slice(v.as_bytes());
-}
-
-/// Deserialize a Postgres lquery string
-#[inline]
-pub fn lquery_from_sql(buf: &[u8]) -> Result<&str, StdBox<dyn Error + Sync + Send>> {
-    match buf {
-        // Remove the version number from the front of the lquery per spec
-        [1u8, rest @ ..] => Ok(str::from_utf8(rest)?),
-        _ => Err("lquery version 1 only supported".into()),
-    }
-}
-
-/// Serializes a Postgres ltxtquery string
-#[inline]
-pub fn ltxtquery_to_sql(v: &str, buf: &mut BytesMut) {
-    // A version number is prepended to an ltxtquery string per spec
-    buf.put_u8(1);
-    // Append the rest of the query
-    buf.put_slice(v.as_bytes());
-}
-
-/// Deserialize a Postgres ltxtquery string
-#[inline]
-pub fn ltxtquery_from_sql(buf: &[u8]) -> Result<&str, StdBox<dyn Error + Sync + Send>> {
-    match buf {
-        // Remove the version number from the front of the ltxtquery per spec
-        [1u8, rest @ ..] => Ok(str::from_utf8(rest)?),
-        _ => Err("ltxtquery version 1 only supported".into()),
-    }
-}

libs/proxy/postgres-protocol2/src/types/test.rs

@@ -1,87 +0,0 @@
-use bytes::{Buf, BytesMut};
-
-use super::*;
-
-#[test]
-fn ltree_sql() {
-    let mut query = vec![1u8];
-    query.extend_from_slice("A.B.C".as_bytes());
-
-    let mut buf = BytesMut::new();
-
-    ltree_to_sql("A.B.C", &mut buf);
-
-    assert_eq!(query.as_slice(), buf.chunk());
-}
-
-#[test]
-fn ltree_str() {
-    let mut query = vec![1u8];
-    query.extend_from_slice("A.B.C".as_bytes());
-
-    assert!(ltree_from_sql(query.as_slice()).is_ok())
-}
-
-#[test]
-fn ltree_wrong_version() {
-    let mut query = vec![2u8];
-    query.extend_from_slice("A.B.C".as_bytes());
-
-    assert!(ltree_from_sql(query.as_slice()).is_err())
-}
-
-#[test]
-fn lquery_sql() {
-    let mut query = vec![1u8];
-    query.extend_from_slice("A.B.C".as_bytes());
-
-    let mut buf = BytesMut::new();
-
-    lquery_to_sql("A.B.C", &mut buf);
-
-    assert_eq!(query.as_slice(), buf.chunk());
-}
-
-#[test]
-fn lquery_str() {
-    let mut query = vec![1u8];
-    query.extend_from_slice("A.B.C".as_bytes());
-
-    assert!(lquery_from_sql(query.as_slice()).is_ok())
-}
-
-#[test]
-fn lquery_wrong_version() {
-    let mut query = vec![2u8];
-    query.extend_from_slice("A.B.C".as_bytes());
-
-    assert!(lquery_from_sql(query.as_slice()).is_err())
-}
-
-#[test]
-fn ltxtquery_sql() {
-    let mut query = vec![1u8];
-    query.extend_from_slice("a & b*".as_bytes());
-
-    let mut buf = BytesMut::new();
-
-    ltree_to_sql("a & b*", &mut buf);
-
-    assert_eq!(query.as_slice(), buf.chunk());
-}
-
-#[test]
-fn ltxtquery_str() {
-    let mut query = vec![1u8];
-    query.extend_from_slice("a & b*".as_bytes());
-
-    assert!(ltree_from_sql(query.as_slice()).is_ok())
-}
-
-#[test]
-fn ltxtquery_wrong_version() {
-    let mut query = vec![2u8];
-    query.extend_from_slice("a & b*".as_bytes());
-
-    assert!(ltree_from_sql(query.as_slice()).is_err())
-}

libs/proxy/postgres-types2/Cargo.toml

@@ -1,10 +0,0 @@
-[package]
-name = "postgres-types2"
-version = "0.1.0"
-edition = "2018"
-license = "MIT/Apache-2.0"
-
-[dependencies]
-bytes.workspace = true
-fallible-iterator.workspace = true
-postgres-protocol2 = { path = "../postgres-protocol2" }

libs/proxy/postgres-types2/src/lib.rs

@@ -1,477 +0,0 @@
-//! Conversions to and from Postgres types.
-//!
-//! This crate is used by the `tokio-postgres` and `postgres` crates. You normally don't need to depend directly on it
-//! unless you want to define your own `ToSql` or `FromSql` definitions.
-#![doc(html_root_url = "https://docs.rs/postgres-types/0.2")]
-#![warn(clippy::all, rust_2018_idioms, missing_docs)]
-
-use fallible_iterator::FallibleIterator;
-use postgres_protocol2::types;
-use std::any::type_name;
-use std::error::Error;
-use std::fmt;
-use std::sync::Arc;
-
-use crate::type_gen::{Inner, Other};
-
-#[doc(inline)]
-pub use postgres_protocol2::Oid;
-
-use bytes::BytesMut;
-
-/// Generates a simple implementation of `ToSql::accepts` which accepts the
-/// types passed to it.
-macro_rules! accepts {
-    ($($expected:ident),+) => (
-        fn accepts(ty: &$crate::Type) -> bool {
-            matches!(*ty, $($crate::Type::$expected)|+)
-        }
-    )
-}
-
-/// Generates an implementation of `ToSql::to_sql_checked`.
-///
-/// All `ToSql` implementations should use this macro.
-macro_rules! to_sql_checked {
-    () => {
-        fn to_sql_checked(
-            &self,
-            ty: &$crate::Type,
-            out: &mut $crate::private::BytesMut,
-        ) -> ::std::result::Result<
-            $crate::IsNull,
-            Box<dyn ::std::error::Error + ::std::marker::Sync + ::std::marker::Send>,
-        > {
-            $crate::__to_sql_checked(self, ty, out)
-        }
-    };
-}
-
-// WARNING: this function is not considered part of this crate's public API.
-// It is subject to change at any time.
-#[doc(hidden)]
-pub fn __to_sql_checked<T>(
-    v: &T,
-    ty: &Type,
-    out: &mut BytesMut,
-) -> Result<IsNull, Box<dyn Error + Sync + Send>>
-where
-    T: ToSql,
-{
-    if !T::accepts(ty) {
-        return Err(Box::new(WrongType::new::<T>(ty.clone())));
-    }
-    v.to_sql(ty, out)
-}
-
-// mod pg_lsn;
-#[doc(hidden)]
-pub mod private;
-// mod special;
-mod type_gen;
-
-/// A Postgres type.
-#[derive(PartialEq, Eq, Clone, Hash)]
-pub struct Type(Inner);
-
-impl fmt::Debug for Type {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt::Debug::fmt(&self.0, fmt)
-    }
-}
-
-impl fmt::Display for Type {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self.schema() {
-            "public" | "pg_catalog" => {}
-            schema => write!(fmt, "{}.", schema)?,
-        }
-        fmt.write_str(self.name())
-    }
-}
-
-impl Type {
-    /// Creates a new `Type`.
-    pub fn new(name: String, oid: Oid, kind: Kind, schema: String) -> Type {
-        Type(Inner::Other(Arc::new(Other {
-            name,
-            oid,
-            kind,
-            schema,
-        })))
-    }
-
-    /// Returns the `Type` corresponding to the provided `Oid` if it
-    /// corresponds to a built-in type.
-    pub fn from_oid(oid: Oid) -> Option<Type> {
-        Inner::from_oid(oid).map(Type)
-    }
-
-    /// Returns the OID of the `Type`.
-    pub fn oid(&self) -> Oid {
-        self.0.oid()
-    }
-
-    /// Returns the kind of this type.
-    pub fn kind(&self) -> &Kind {
-        self.0.kind()
-    }
-
-    /// Returns the schema of this type.
-    pub fn schema(&self) -> &str {
-        match self.0 {
-            Inner::Other(ref u) => &u.schema,
-            _ => "pg_catalog",
-        }
-    }
-
-    /// Returns the name of this type.
-    pub fn name(&self) -> &str {
-        self.0.name()
-    }
-}
-
-/// Represents the kind of a Postgres type.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-#[non_exhaustive]
-pub enum Kind {
-    /// A simple type like `VARCHAR` or `INTEGER`.
-    Simple,
-    /// An enumerated type along with its variants.
-    Enum(Vec<String>),
-    /// A pseudo-type.
-    Pseudo,
-    /// An array type along with the type of its elements.
-    Array(Type),
-    /// A range type along with the type of its elements.
-    Range(Type),
-    /// A multirange type along with the type of its elements.
-    Multirange(Type),
-    /// A domain type along with its underlying type.
-    Domain(Type),
-    /// A composite type along with information about its fields.
-    Composite(Vec<Field>),
-}
-
-/// Information about a field of a composite type.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Field {
-    name: String,
-    type_: Type,
-}
-
-impl Field {
-    /// Creates a new `Field`.
-    pub fn new(name: String, type_: Type) -> Field {
-        Field { name, type_ }
-    }
-
-    /// Returns the name of the field.
-    pub fn name(&self) -> &str {
-        &self.name
-    }
-
-    /// Returns the type of the field.
-    pub fn type_(&self) -> &Type {
-        &self.type_
-    }
-}
-
-/// An error indicating that a `NULL` Postgres value was passed to a `FromSql`
-/// implementation that does not support `NULL` values.
-#[derive(Debug, Clone, Copy)]
-pub struct WasNull;
-
-impl fmt::Display for WasNull {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt.write_str("a Postgres value was `NULL`")
-    }
-}
-
-impl Error for WasNull {}
-
-/// An error indicating that a conversion was attempted between incompatible
-/// Rust and Postgres types.
-#[derive(Debug)]
-pub struct WrongType {
-    postgres: Type,
-    rust: &'static str,
-}
-
-impl fmt::Display for WrongType {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(
-            fmt,
-            "cannot convert between the Rust type `{}` and the Postgres type `{}`",
-            self.rust, self.postgres,
-        )
-    }
-}
-
-impl Error for WrongType {}
-
-impl WrongType {
-    /// Creates a new `WrongType` error.
-    pub fn new<T>(ty: Type) -> WrongType {
-        WrongType {
-            postgres: ty,
-            rust: type_name::<T>(),
-        }
-    }
-}
-
-/// An error indicating that a as_text conversion was attempted on a binary
-/// result.
-#[derive(Debug)]
-pub struct WrongFormat {}
-
-impl Error for WrongFormat {}
-
-impl fmt::Display for WrongFormat {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(
-            fmt,
-            "cannot read column as text while it is in binary format"
-        )
-    }
-}
-
-/// A trait for types that can be created from a Postgres value.
-pub trait FromSql<'a>: Sized {
-    /// Creates a new value of this type from a buffer of data of the specified
-    /// Postgres `Type` in its binary format.
-    ///
-    /// The caller of this method is responsible for ensuring that this type
-    /// is compatible with the Postgres `Type`.
-    fn from_sql(ty: &Type, raw: &'a [u8]) -> Result<Self, Box<dyn Error + Sync + Send>>;
-
-    /// Creates a new value of this type from a `NULL` SQL value.
-    ///
-    /// The caller of this method is responsible for ensuring that this type
-    /// is compatible with the Postgres `Type`.
-    ///
-    /// The default implementation returns `Err(Box::new(WasNull))`.
-    #[allow(unused_variables)]
-    fn from_sql_null(ty: &Type) -> Result<Self, Box<dyn Error + Sync + Send>> {
-        Err(Box::new(WasNull))
-    }
-
-    /// A convenience function that delegates to `from_sql` and `from_sql_null` depending on the
-    /// value of `raw`.
-    fn from_sql_nullable(
-        ty: &Type,
-        raw: Option<&'a [u8]>,
-    ) -> Result<Self, Box<dyn Error + Sync + Send>> {
-        match raw {
-            Some(raw) => Self::from_sql(ty, raw),
-            None => Self::from_sql_null(ty),
-        }
-    }
-
-    /// Determines if a value of this type can be created from the specified
-    /// Postgres `Type`.
-    fn accepts(ty: &Type) -> bool;
-}
-
-/// A trait for types which can be created from a Postgres value without borrowing any data.
-///
-/// This is primarily useful for trait bounds on functions.
-pub trait FromSqlOwned: for<'a> FromSql<'a> {}
-
-impl<T> FromSqlOwned for T where T: for<'a> FromSql<'a> {}
-
-impl<'a, T: FromSql<'a>> FromSql<'a> for Option<T> {
-    fn from_sql(ty: &Type, raw: &'a [u8]) -> Result<Option<T>, Box<dyn Error + Sync + Send>> {
-        <T as FromSql>::from_sql(ty, raw).map(Some)
-    }
-
-    fn from_sql_null(_: &Type) -> Result<Option<T>, Box<dyn Error + Sync + Send>> {
-        Ok(None)
-    }
-
-    fn accepts(ty: &Type) -> bool {
-        <T as FromSql>::accepts(ty)
-    }
-}
-
-impl<'a, T: FromSql<'a>> FromSql<'a> for Vec<T> {
-    fn from_sql(ty: &Type, raw: &'a [u8]) -> Result<Vec<T>, Box<dyn Error + Sync + Send>> {
-        let member_type = match *ty.kind() {
-            Kind::Array(ref member) => member,
-            _ => panic!("expected array type"),
-        };
-
-        let array = types::array_from_sql(raw)?;
-        if array.dimensions().count()? > 1 {
-            return Err("array contains too many dimensions".into());
-        }
-
-        array
-            .values()
-            .map(|v| T::from_sql_nullable(member_type, v))
-            .collect()
-    }
-
-    fn accepts(ty: &Type) -> bool {
-        match *ty.kind() {
-            Kind::Array(ref inner) => T::accepts(inner),
-            _ => false,
-        }
-    }
-}
-
-impl<'a> FromSql<'a> for String {
-    fn from_sql(ty: &Type, raw: &'a [u8]) -> Result<String, Box<dyn Error + Sync + Send>> {
-        <&str as FromSql>::from_sql(ty, raw).map(ToString::to_string)
-    }
-
-    fn accepts(ty: &Type) -> bool {
-        <&str as FromSql>::accepts(ty)
-    }
-}
-
-impl<'a> FromSql<'a> for &'a str {
-    fn from_sql(ty: &Type, raw: &'a [u8]) -> Result<&'a str, Box<dyn Error + Sync + Send>> {
-        match *ty {
-            ref ty if ty.name() == "ltree" => types::ltree_from_sql(raw),
-            ref ty if ty.name() == "lquery" => types::lquery_from_sql(raw),
-            ref ty if ty.name() == "ltxtquery" => types::ltxtquery_from_sql(raw),
-            _ => types::text_from_sql(raw),
-        }
-    }
-
-    fn accepts(ty: &Type) -> bool {
-        match *ty {
-            Type::VARCHAR | Type::TEXT | Type::BPCHAR | Type::NAME | Type::UNKNOWN => true,
-            ref ty
-                if (ty.name() == "citext"
-                    || ty.name() == "ltree"
-                    || ty.name() == "lquery"
-                    || ty.name() == "ltxtquery") =>
-            {
-                true
-            }
-            _ => false,
-        }
-    }
-}
-
-macro_rules! simple_from {
-    ($t:ty, $f:ident, $($expected:ident),+) => {
-        impl<'a> FromSql<'a> for $t {
-            fn from_sql(_: &Type, raw: &'a [u8]) -> Result<$t, Box<dyn Error + Sync + Send>> {
-                types::$f(raw)
-            }
-
-            accepts!($($expected),+);
-        }
-    }
-}
-
-simple_from!(i8, char_from_sql, CHAR);
-simple_from!(u32, oid_from_sql, OID);
-
-/// An enum representing the nullability of a Postgres value.
-pub enum IsNull {
-    /// The value is NULL.
-    Yes,
-    /// The value is not NULL.
-    No,
-}
-
-/// A trait for types that can be converted into Postgres values.
-pub trait ToSql: fmt::Debug {
-    /// Converts the value of `self` into the binary format of the specified
-    /// Postgres `Type`, appending it to `out`.
-    ///
-    /// The caller of this method is responsible for ensuring that this type
-    /// is compatible with the Postgres `Type`.
-    ///
-    /// The return value indicates if this value should be represented as
-    /// `NULL`. If this is the case, implementations **must not** write
-    /// anything to `out`.
-    fn to_sql(&self, ty: &Type, out: &mut BytesMut) -> Result<IsNull, Box<dyn Error + Sync + Send>>
-    where
-        Self: Sized;
-
-    /// Determines if a value of this type can be converted to the specified
-    /// Postgres `Type`.
-    fn accepts(ty: &Type) -> bool
-    where
-        Self: Sized;
-
-    /// An adaptor method used internally by Rust-Postgres.
-    ///
-    /// *All* implementations of this method should be generated by the
-    /// `to_sql_checked!()` macro.
-    fn to_sql_checked(
-        &self,
-        ty: &Type,
-        out: &mut BytesMut,
-    ) -> Result<IsNull, Box<dyn Error + Sync + Send>>;
-
-    /// Specify the encode format
-    fn encode_format(&self, _ty: &Type) -> Format {
-        Format::Binary
-    }
-}
-
-/// Supported Postgres message format types
-///
-/// Using Text format in a message assumes a Postgres `SERVER_ENCODING` of `UTF8`
-#[derive(Clone, Copy, Debug, PartialEq)]
-pub enum Format {
-    /// Text format (UTF-8)
-    Text,
-    /// Compact, typed binary format
-    Binary,
-}
-
-impl ToSql for &str {
-    fn to_sql(&self, ty: &Type, w: &mut BytesMut) -> Result<IsNull, Box<dyn Error + Sync + Send>> {
-        match *ty {
-            ref ty if ty.name() == "ltree" => types::ltree_to_sql(self, w),
-            ref ty if ty.name() == "lquery" => types::lquery_to_sql(self, w),
-            ref ty if ty.name() == "ltxtquery" => types::ltxtquery_to_sql(self, w),
-            _ => types::text_to_sql(self, w),
-        }
-        Ok(IsNull::No)
-    }
-
-    fn accepts(ty: &Type) -> bool {
-        match *ty {
-            Type::VARCHAR | Type::TEXT | Type::BPCHAR | Type::NAME | Type::UNKNOWN => true,
-            ref ty
-                if (ty.name() == "citext"
-                    || ty.name() == "ltree"
-                    || ty.name() == "lquery"
-                    || ty.name() == "ltxtquery") =>
-            {
-                true
-            }
-            _ => false,
-        }
-    }
-
-    to_sql_checked!();
-}
-
-macro_rules! simple_to {
-    ($t:ty, $f:ident, $($expected:ident),+) => {
-        impl ToSql for $t {
-            fn to_sql(&self,
-                      _: &Type,
-                      w: &mut BytesMut)
-                      -> Result<IsNull, Box<dyn Error + Sync + Send>> {
-                types::$f(*self, w);
-                Ok(IsNull::No)
-            }
-
-            accepts!($($expected),+);
-
-            to_sql_checked!();
-        }
-    }
-}
-
-simple_to!(u32, oid_to_sql, OID);

libs/proxy/postgres-types2/src/private.rs

@@ -1,34 +0,0 @@
-use crate::{FromSql, Type};
-pub use bytes::BytesMut;
-use std::error::Error;
-
-pub fn read_be_i32(buf: &mut &[u8]) -> Result<i32, Box<dyn Error + Sync + Send>> {
-    if buf.len() < 4 {
-        return Err("invalid buffer size".into());
-    }
-    let mut bytes = [0; 4];
-    bytes.copy_from_slice(&buf[..4]);
-    *buf = &buf[4..];
-    Ok(i32::from_be_bytes(bytes))
-}
-
-pub fn read_value<'a, T>(
-    type_: &Type,
-    buf: &mut &'a [u8],
-) -> Result<T, Box<dyn Error + Sync + Send>>
-where
-    T: FromSql<'a>,
-{
-    let len = read_be_i32(buf)?;
-    let value = if len < 0 {
-        None
-    } else {
-        if len as usize > buf.len() {
-            return Err("invalid buffer size".into());
-        }
-        let (head, tail) = buf.split_at(len as usize);
-        *buf = tail;
-        Some(head)
-    };
-    T::from_sql_nullable(type_, value)
-}

libs/proxy/tokio-postgres2/Cargo.toml

@@ -1,21 +0,0 @@
-[package]
-name = "tokio-postgres2"
-version = "0.1.0"
-edition = "2018"
-license = "MIT/Apache-2.0"
-
-[dependencies]
-async-trait.workspace = true
-bytes.workspace = true
-byteorder.workspace = true
-fallible-iterator.workspace = true
-futures-util = { workspace = true, features = ["sink"] }
-log = "0.4"
-parking_lot.workspace = true
-percent-encoding = "2.0"
-pin-project-lite.workspace = true
-phf = "0.11"
-postgres-protocol2 = { path = "../postgres-protocol2" }
-postgres-types2 = { path = "../postgres-types2" }
-tokio = { workspace = true, features = ["io-util", "time", "net"] }
-tokio-util = { workspace = true, features = ["codec"] }

libs/proxy/tokio-postgres2/src/cancel_query.rs

@@ -1,40 +0,0 @@
-use tokio::net::TcpStream;
-
-use crate::client::SocketConfig;
-use crate::config::{Host, SslMode};
-use crate::tls::MakeTlsConnect;
-use crate::{cancel_query_raw, connect_socket, Error};
-use std::io;
-
-pub(crate) async fn cancel_query<T>(
-    config: Option<SocketConfig>,
-    ssl_mode: SslMode,
-    mut tls: T,
-    process_id: i32,
-    secret_key: i32,
-) -> Result<(), Error>
-where
-    T: MakeTlsConnect<TcpStream>,
-{
-    let config = match config {
-        Some(config) => config,
-        None => {
-            return Err(Error::connect(io::Error::new(
-                io::ErrorKind::InvalidInput,
-                "unknown host",
-            )))
-        }
-    };
-
-    let hostname = match &config.host {
-        Host::Tcp(host) => &**host,
-    };
-    let tls = tls
-        .make_tls_connect(hostname)
-        .map_err(|e| Error::tls(e.into()))?;
-
-    let socket =
-        connect_socket::connect_socket(&config.host, config.port, config.connect_timeout).await?;
-
-    cancel_query_raw::cancel_query_raw(socket, ssl_mode, tls, process_id, secret_key).await
-}

libs/proxy/tokio-postgres2/src/cancel_query_raw.rs

@@ -1,29 +0,0 @@
-use crate::config::SslMode;
-use crate::tls::TlsConnect;
-use crate::{connect_tls, Error};
-use bytes::BytesMut;
-use postgres_protocol2::message::frontend;
-use tokio::io::{AsyncRead, AsyncWrite, AsyncWriteExt};
-
-pub async fn cancel_query_raw<S, T>(
-    stream: S,
-    mode: SslMode,
-    tls: T,
-    process_id: i32,
-    secret_key: i32,
-) -> Result<(), Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: TlsConnect<S>,
-{
-    let mut stream = connect_tls::connect_tls(stream, mode, tls).await?;
-
-    let mut buf = BytesMut::new();
-    frontend::cancel_request(process_id, secret_key, &mut buf);
-
-    stream.write_all(&buf).await.map_err(Error::io)?;
-    stream.flush().await.map_err(Error::io)?;
-    stream.shutdown().await.map_err(Error::io)?;
-
-    Ok(())
-}

libs/proxy/tokio-postgres2/src/cancel_token.rs

@@ -1,62 +0,0 @@
-use crate::config::SslMode;
-use crate::tls::TlsConnect;
-
-use crate::{cancel_query, client::SocketConfig, tls::MakeTlsConnect};
-use crate::{cancel_query_raw, Error};
-use tokio::io::{AsyncRead, AsyncWrite};
-use tokio::net::TcpStream;
-
-/// The capability to request cancellation of in-progress queries on a
-/// connection.
-#[derive(Clone)]
-pub struct CancelToken {
-    pub socket_config: Option<SocketConfig>,
-    pub ssl_mode: SslMode,
-    pub process_id: i32,
-    pub secret_key: i32,
-}
-
-impl CancelToken {
-    /// Attempts to cancel the in-progress query on the connection associated
-    /// with this `CancelToken`.
-    ///
-    /// The server provides no information about whether a cancellation attempt was successful or not. An error will
-    /// only be returned if the client was unable to connect to the database.
-    ///
-    /// Cancellation is inherently racy. There is no guarantee that the
-    /// cancellation request will reach the server before the query terminates
-    /// normally, or that the connection associated with this token is still
-    /// active.
-    ///
-    /// Requires the `runtime` Cargo feature (enabled by default).
-    pub async fn cancel_query<T>(&self, tls: T) -> Result<(), Error>
-    where
-        T: MakeTlsConnect<TcpStream>,
-    {
-        cancel_query::cancel_query(
-            self.socket_config.clone(),
-            self.ssl_mode,
-            tls,
-            self.process_id,
-            self.secret_key,
-        )
-        .await
-    }
-
-    /// Like `cancel_query`, but uses a stream which is already connected to the server rather than opening a new
-    /// connection itself.
-    pub async fn cancel_query_raw<S, T>(&self, stream: S, tls: T) -> Result<(), Error>
-    where
-        S: AsyncRead + AsyncWrite + Unpin,
-        T: TlsConnect<S>,
-    {
-        cancel_query_raw::cancel_query_raw(
-            stream,
-            self.ssl_mode,
-            tls,
-            self.process_id,
-            self.secret_key,
-        )
-        .await
-    }
-}

libs/proxy/tokio-postgres2/src/client.rs

@@ -1,271 +0,0 @@
-use crate::codec::{BackendMessages, FrontendMessage};
-
-use crate::config::Host;
-use crate::config::SslMode;
-use crate::connection::{Request, RequestMessages};
-
-use crate::types::{Oid, Type};
-
-use crate::{
-    simple_query, CancelToken, Error, ReadyForQueryStatus, Statement, Transaction,
-    TransactionBuilder,
-};
-use bytes::BytesMut;
-use fallible_iterator::FallibleIterator;
-use futures_util::{future, ready};
-use postgres_protocol2::message::{backend::Message, frontend};
-use std::collections::HashMap;
-use std::fmt;
-use std::task::{Context, Poll};
-use tokio::sync::mpsc;
-
-use std::time::Duration;
-
-pub struct Responses {
-    receiver: mpsc::Receiver<BackendMessages>,
-    cur: BackendMessages,
-}
-
-impl Responses {
-    pub fn poll_next(&mut self, cx: &mut Context<'_>) -> Poll<Result<Message, Error>> {
-        loop {
-            match self.cur.next().map_err(Error::parse)? {
-                Some(Message::ErrorResponse(body)) => return Poll::Ready(Err(Error::db(body))),
-                Some(message) => return Poll::Ready(Ok(message)),
-                None => {}
-            }
-
-            match ready!(self.receiver.poll_recv(cx)) {
-                Some(messages) => self.cur = messages,
-                None => return Poll::Ready(Err(Error::closed())),
-            }
-        }
-    }
-
-    pub async fn next(&mut self) -> Result<Message, Error> {
-        future::poll_fn(|cx| self.poll_next(cx)).await
-    }
-}
-
-/// A cache of type info and prepared statements for fetching type info
-/// (corresponding to the queries in the [prepare] module).
-#[derive(Default)]
-pub(crate) struct CachedTypeInfo {
-    /// A statement for basic information for a type from its
-    /// OID. Corresponds to [TYPEINFO_QUERY](prepare::TYPEINFO_QUERY) (or its
-    /// fallback).
-    typeinfo: Option<Statement>,
-    /// A statement for getting information for a composite type from its OID.
-    /// Corresponds to [TYPEINFO_QUERY](prepare::TYPEINFO_COMPOSITE_QUERY).
-    typeinfo_composite: Option<Statement>,
-    /// A statement for getting information for a composite type from its OID.
-    /// Corresponds to [TYPEINFO_QUERY](prepare::TYPEINFO_COMPOSITE_QUERY) (or
-    /// its fallback).
-    typeinfo_enum: Option<Statement>,
-
-    /// Cache of types already looked up.
-    types: HashMap<Oid, Type>,
-}
-impl CachedTypeInfo {
-    pub(crate) fn typeinfo(&mut self) -> Option<&Statement> {
-        self.typeinfo.as_ref()
-    }
-
-    pub(crate) fn set_typeinfo(&mut self, statement: Statement) -> &Statement {
-        self.typeinfo.insert(statement)
-    }
-
-    pub(crate) fn typeinfo_composite(&mut self) -> Option<&Statement> {
-        self.typeinfo_composite.as_ref()
-    }
-
-    pub(crate) fn set_typeinfo_composite(&mut self, statement: Statement) -> &Statement {
-        self.typeinfo_composite.insert(statement)
-    }
-
-    pub(crate) fn typeinfo_enum(&mut self) -> Option<&Statement> {
-        self.typeinfo_enum.as_ref()
-    }
-
-    pub(crate) fn set_typeinfo_enum(&mut self, statement: Statement) -> &Statement {
-        self.typeinfo_enum.insert(statement)
-    }
-
-    pub(crate) fn type_(&mut self, oid: Oid) -> Option<Type> {
-        self.types.get(&oid).cloned()
-    }
-
-    pub(crate) fn set_type(&mut self, oid: Oid, type_: &Type) {
-        self.types.insert(oid, type_.clone());
-    }
-}
-
-pub struct InnerClient {
-    sender: mpsc::UnboundedSender<Request>,
-
-    /// A buffer to use when writing out postgres commands.
-    buffer: BytesMut,
-}
-
-impl InnerClient {
-    pub fn send(&self, messages: RequestMessages) -> Result<Responses, Error> {
-        let (sender, receiver) = mpsc::channel(1);
-        let request = Request { messages, sender };
-        self.sender.send(request).map_err(|_| Error::closed())?;
-
-        Ok(Responses {
-            receiver,
-            cur: BackendMessages::empty(),
-        })
-    }
-
-    /// Call the given function with a buffer to be used when writing out
-    /// postgres commands.
-    pub fn with_buf<F, R>(&mut self, f: F) -> R
-    where
-        F: FnOnce(&mut BytesMut) -> R,
-    {
-        let r = f(&mut self.buffer);
-        self.buffer.clear();
-        r
-    }
-}
-
-#[derive(Clone)]
-pub struct SocketConfig {
-    pub host: Host,
-    pub port: u16,
-    pub connect_timeout: Option<Duration>,
-    // pub keepalive: Option<KeepaliveConfig>,
-}
-
-/// An asynchronous PostgreSQL client.
-///
-/// The client is one half of what is returned when a connection is established. Users interact with the database
-/// through this client object.
-pub struct Client {
-    pub(crate) inner: InnerClient,
-    pub(crate) cached_typeinfo: CachedTypeInfo,
-
-    socket_config: SocketConfig,
-    ssl_mode: SslMode,
-    process_id: i32,
-    secret_key: i32,
-}
-
-impl Client {
-    pub(crate) fn new(
-        sender: mpsc::UnboundedSender<Request>,
-        socket_config: SocketConfig,
-        ssl_mode: SslMode,
-        process_id: i32,
-        secret_key: i32,
-    ) -> Client {
-        Client {
-            inner: InnerClient {
-                sender,
-                buffer: Default::default(),
-            },
-            cached_typeinfo: Default::default(),
-
-            socket_config,
-            ssl_mode,
-            process_id,
-            secret_key,
-        }
-    }
-
-    /// Returns process_id.
-    pub fn get_process_id(&self) -> i32 {
-        self.process_id
-    }
-
-    /// Executes a sequence of SQL statements using the simple query protocol.
-    ///
-    /// Statements should be separated by semicolons. If an error occurs, execution of the sequence will stop at that
-    /// point. This is intended for use when, for example, initializing a database schema.
-    ///
-    /// # Warning
-    ///
-    /// Prepared statements should be use for any query which contains user-specified data, as they provided the
-    /// functionality to safely embed that data in the request. Do not form statements via string concatenation and pass
-    /// them to this method!
-    pub async fn batch_execute(&mut self, query: &str) -> Result<ReadyForQueryStatus, Error> {
-        simple_query::batch_execute(&mut self.inner, query).await
-    }
-
-    /// Begins a new database transaction.
-    ///
-    /// The transaction will roll back by default - use the `commit` method to commit it.
-    pub async fn transaction(&mut self) -> Result<Transaction<'_>, Error> {
-        struct RollbackIfNotDone<'me> {
-            client: &'me mut Client,
-            done: bool,
-        }
-
-        impl Drop for RollbackIfNotDone<'_> {
-            fn drop(&mut self) {
-                if self.done {
-                    return;
-                }
-
-                let buf = self.client.inner.with_buf(|buf| {
-                    frontend::query("ROLLBACK", buf).unwrap();
-                    buf.split().freeze()
-                });
-                let _ = self
-                    .client
-                    .inner
-                    .send(RequestMessages::Single(FrontendMessage::Raw(buf)));
-            }
-        }
-
-        // This is done, as `Future` created by this method can be dropped after
-        // `RequestMessages` is synchronously send to the `Connection` by
-        // `batch_execute()`, but before `Responses` is asynchronously polled to
-        // completion. In that case `Transaction` won't be created and thus
-        // won't be rolled back.
-        {
-            let mut cleaner = RollbackIfNotDone {
-                client: self,
-                done: false,
-            };
-            cleaner.client.batch_execute("BEGIN").await?;
-            cleaner.done = true;
-        }
-
-        Ok(Transaction::new(self))
-    }
-
-    /// Returns a builder for a transaction with custom settings.
-    ///
-    /// Unlike the `transaction` method, the builder can be used to control the transaction's isolation level and other
-    /// attributes.
-    pub fn build_transaction(&mut self) -> TransactionBuilder<'_> {
-        TransactionBuilder::new(self)
-    }
-
-    /// Constructs a cancellation token that can later be used to request cancellation of a query running on the
-    /// connection associated with this client.
-    pub fn cancel_token(&self) -> CancelToken {
-        CancelToken {
-            socket_config: Some(self.socket_config.clone()),
-            ssl_mode: self.ssl_mode,
-            process_id: self.process_id,
-            secret_key: self.secret_key,
-        }
-    }
-
-    /// Determines if the connection to the server has already closed.
-    ///
-    /// In that case, all future queries will fail.
-    pub fn is_closed(&self) -> bool {
-        self.inner.sender.is_closed()
-    }
-}
-
-impl fmt::Debug for Client {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("Client").finish()
-    }
-}

libs/proxy/tokio-postgres2/src/codec.rs

@@ -1,98 +0,0 @@
-use bytes::{Buf, Bytes, BytesMut};
-use fallible_iterator::FallibleIterator;
-use postgres_protocol2::message::backend;
-use postgres_protocol2::message::frontend::CopyData;
-use std::io;
-use tokio_util::codec::{Decoder, Encoder};
-
-pub enum FrontendMessage {
-    Raw(Bytes),
-    CopyData(CopyData<Box<dyn Buf + Send>>),
-}
-
-pub enum BackendMessage {
-    Normal {
-        messages: BackendMessages,
-        request_complete: bool,
-    },
-    Async(backend::Message),
-}
-
-pub struct BackendMessages(BytesMut);
-
-impl BackendMessages {
-    pub fn empty() -> BackendMessages {
-        BackendMessages(BytesMut::new())
-    }
-}
-
-impl FallibleIterator for BackendMessages {
-    type Item = backend::Message;
-    type Error = io::Error;
-
-    fn next(&mut self) -> io::Result<Option<backend::Message>> {
-        backend::Message::parse(&mut self.0)
-    }
-}
-
-pub struct PostgresCodec;
-
-impl Encoder<FrontendMessage> for PostgresCodec {
-    type Error = io::Error;
-
-    fn encode(&mut self, item: FrontendMessage, dst: &mut BytesMut) -> io::Result<()> {
-        match item {
-            FrontendMessage::Raw(buf) => dst.extend_from_slice(&buf),
-            FrontendMessage::CopyData(data) => data.write(dst),
-        }
-
-        Ok(())
-    }
-}
-
-impl Decoder for PostgresCodec {
-    type Item = BackendMessage;
-    type Error = io::Error;
-
-    fn decode(&mut self, src: &mut BytesMut) -> Result<Option<BackendMessage>, io::Error> {
-        let mut idx = 0;
-        let mut request_complete = false;
-
-        while let Some(header) = backend::Header::parse(&src[idx..])? {
-            let len = header.len() as usize + 1;
-            if src[idx..].len() < len {
-                break;
-            }
-
-            match header.tag() {
-                backend::NOTICE_RESPONSE_TAG
-                | backend::NOTIFICATION_RESPONSE_TAG
-                | backend::PARAMETER_STATUS_TAG => {
-                    if idx == 0 {
-                        let message = backend::Message::parse(src)?.unwrap();
-                        return Ok(Some(BackendMessage::Async(message)));
-                    } else {
-                        break;
-                    }
-                }
-                _ => {}
-            }
-
-            idx += len;
-
-            if header.tag() == backend::READY_FOR_QUERY_TAG {
-                request_complete = true;
-                break;
-            }
-        }
-
-        if idx == 0 {
-            Ok(None)
-        } else {
-            Ok(Some(BackendMessage::Normal {
-                messages: BackendMessages(src.split_to(idx)),
-                request_complete,
-            }))
-        }
-    }
-}

libs/proxy/tokio-postgres2/src/config.rs

@@ -1,264 +0,0 @@
-//! Connection configuration.
-
-use crate::connect::connect;
-use crate::connect_raw::connect_raw;
-use crate::connect_raw::RawConnection;
-use crate::tls::MakeTlsConnect;
-use crate::tls::TlsConnect;
-use crate::{Client, Connection, Error};
-use postgres_protocol2::message::frontend::StartupMessageParams;
-use std::fmt;
-use std::str;
-use std::time::Duration;
-use tokio::io::{AsyncRead, AsyncWrite};
-
-pub use postgres_protocol2::authentication::sasl::ScramKeys;
-use tokio::net::TcpStream;
-
-/// TLS configuration.
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-#[non_exhaustive]
-pub enum SslMode {
-    /// Do not use TLS.
-    Disable,
-    /// Attempt to connect with TLS but allow sessions without.
-    Prefer,
-    /// Require the use of TLS.
-    Require,
-}
-
-/// Channel binding configuration.
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-#[non_exhaustive]
-pub enum ChannelBinding {
-    /// Do not use channel binding.
-    Disable,
-    /// Attempt to use channel binding but allow sessions without.
-    Prefer,
-    /// Require the use of channel binding.
-    Require,
-}
-
-/// Replication mode configuration.
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-#[non_exhaustive]
-pub enum ReplicationMode {
-    /// Physical replication.
-    Physical,
-    /// Logical replication.
-    Logical,
-}
-
-/// A host specification.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum Host {
-    /// A TCP hostname.
-    Tcp(String),
-}
-
-/// Precomputed keys which may override password during auth.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum AuthKeys {
-    /// A `ClientKey` & `ServerKey` pair for `SCRAM-SHA-256`.
-    ScramSha256(ScramKeys<32>),
-}
-
-/// Connection configuration.
-#[derive(Clone, PartialEq, Eq)]
-pub struct Config {
-    pub(crate) host: Host,
-    pub(crate) port: u16,
-
-    pub(crate) password: Option<Vec<u8>>,
-    pub(crate) auth_keys: Option<Box<AuthKeys>>,
-    pub(crate) ssl_mode: SslMode,
-    pub(crate) connect_timeout: Option<Duration>,
-    pub(crate) channel_binding: ChannelBinding,
-    pub(crate) server_params: StartupMessageParams,
-
-    database: bool,
-    username: bool,
-}
-
-impl Config {
-    /// Creates a new configuration.
-    pub fn new(host: String, port: u16) -> Config {
-        Config {
-            host: Host::Tcp(host),
-            port,
-            password: None,
-            auth_keys: None,
-            ssl_mode: SslMode::Prefer,
-            connect_timeout: None,
-            channel_binding: ChannelBinding::Prefer,
-            server_params: StartupMessageParams::default(),
-
-            database: false,
-            username: false,
-        }
-    }
-
-    /// Sets the user to authenticate with.
-    ///
-    /// Required.
-    pub fn user(&mut self, user: &str) -> &mut Config {
-        self.set_param("user", user)
-    }
-
-    /// Gets the user to authenticate with, if one has been configured with
-    /// the `user` method.
-    pub fn user_is_set(&self) -> bool {
-        self.username
-    }
-
-    /// Sets the password to authenticate with.
-    pub fn password<T>(&mut self, password: T) -> &mut Config
-    where
-        T: AsRef<[u8]>,
-    {
-        self.password = Some(password.as_ref().to_vec());
-        self
-    }
-
-    /// Gets the password to authenticate with, if one has been configured with
-    /// the `password` method.
-    pub fn get_password(&self) -> Option<&[u8]> {
-        self.password.as_deref()
-    }
-
-    /// Sets precomputed protocol-specific keys to authenticate with.
-    /// When set, this option will override `password`.
-    /// See [`AuthKeys`] for more information.
-    pub fn auth_keys(&mut self, keys: AuthKeys) -> &mut Config {
-        self.auth_keys = Some(Box::new(keys));
-        self
-    }
-
-    /// Gets precomputed protocol-specific keys to authenticate with.
-    /// if one has been configured with the `auth_keys` method.
-    pub fn get_auth_keys(&self) -> Option<AuthKeys> {
-        self.auth_keys.as_deref().copied()
-    }
-
-    /// Sets the name of the database to connect to.
-    ///
-    /// Defaults to the user.
-    pub fn dbname(&mut self, dbname: &str) -> &mut Config {
-        self.set_param("database", dbname)
-    }
-
-    /// Gets the name of the database to connect to, if one has been configured
-    /// with the `dbname` method.
-    pub fn db_is_set(&self) -> bool {
-        self.database
-    }
-
-    pub fn set_param(&mut self, name: &str, value: &str) -> &mut Config {
-        if name == "database" {
-            self.database = true;
-        } else if name == "user" {
-            self.username = true;
-        }
-
-        self.server_params.insert(name, value);
-        self
-    }
-
-    /// Sets the SSL configuration.
-    ///
-    /// Defaults to `prefer`.
-    pub fn ssl_mode(&mut self, ssl_mode: SslMode) -> &mut Config {
-        self.ssl_mode = ssl_mode;
-        self
-    }
-
-    /// Gets the SSL configuration.
-    pub fn get_ssl_mode(&self) -> SslMode {
-        self.ssl_mode
-    }
-
-    /// Gets the hosts that have been added to the configuration with `host`.
-    pub fn get_host(&self) -> &Host {
-        &self.host
-    }
-
-    /// Gets the ports that have been added to the configuration with `port`.
-    pub fn get_port(&self) -> u16 {
-        self.port
-    }
-
-    /// Sets the timeout applied to socket-level connection attempts.
-    ///
-    /// Note that hostnames can resolve to multiple IP addresses, and this timeout will apply to each address of each
-    /// host separately. Defaults to no limit.
-    pub fn connect_timeout(&mut self, connect_timeout: Duration) -> &mut Config {
-        self.connect_timeout = Some(connect_timeout);
-        self
-    }
-
-    /// Gets the connection timeout, if one has been set with the
-    /// `connect_timeout` method.
-    pub fn get_connect_timeout(&self) -> Option<&Duration> {
-        self.connect_timeout.as_ref()
-    }
-
-    /// Sets the channel binding behavior.
-    ///
-    /// Defaults to `prefer`.
-    pub fn channel_binding(&mut self, channel_binding: ChannelBinding) -> &mut Config {
-        self.channel_binding = channel_binding;
-        self
-    }
-
-    /// Gets the channel binding behavior.
-    pub fn get_channel_binding(&self) -> ChannelBinding {
-        self.channel_binding
-    }
-
-    /// Opens a connection to a PostgreSQL database.
-    ///
-    /// Requires the `runtime` Cargo feature (enabled by default).
-    pub async fn connect<T>(
-        &self,
-        tls: T,
-    ) -> Result<(Client, Connection<TcpStream, T::Stream>), Error>
-    where
-        T: MakeTlsConnect<TcpStream>,
-    {
-        connect(tls, self).await
-    }
-
-    pub async fn connect_raw<S, T>(
-        &self,
-        stream: S,
-        tls: T,
-    ) -> Result<RawConnection<S, T::Stream>, Error>
-    where
-        S: AsyncRead + AsyncWrite + Unpin,
-        T: TlsConnect<S>,
-    {
-        connect_raw(stream, tls, self).await
-    }
-}
-
-// Omit password from debug output
-impl fmt::Debug for Config {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        struct Redaction {}
-        impl fmt::Debug for Redaction {
-            fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-                write!(f, "_")
-            }
-        }
-
-        f.debug_struct("Config")
-            .field("password", &self.password.as_ref().map(|_| Redaction {}))
-            .field("ssl_mode", &self.ssl_mode)
-            .field("host", &self.host)
-            .field("port", &self.port)
-            .field("connect_timeout", &self.connect_timeout)
-            .field("channel_binding", &self.channel_binding)
-            .field("server_params", &self.server_params)
-            .finish()
-    }
-}

libs/proxy/tokio-postgres2/src/connect.rs

@@ -1,75 +0,0 @@
-use crate::client::SocketConfig;
-use crate::codec::BackendMessage;
-use crate::config::Host;
-use crate::connect_raw::connect_raw;
-use crate::connect_socket::connect_socket;
-use crate::tls::{MakeTlsConnect, TlsConnect};
-use crate::{Client, Config, Connection, Error, RawConnection};
-use postgres_protocol2::message::backend::Message;
-use tokio::net::TcpStream;
-use tokio::sync::mpsc;
-
-pub async fn connect<T>(
-    mut tls: T,
-    config: &Config,
-) -> Result<(Client, Connection<TcpStream, T::Stream>), Error>
-where
-    T: MakeTlsConnect<TcpStream>,
-{
-    let hostname = match &config.host {
-        Host::Tcp(host) => host.as_str(),
-    };
-
-    let tls = tls
-        .make_tls_connect(hostname)
-        .map_err(|e| Error::tls(e.into()))?;
-
-    match connect_once(&config.host, config.port, tls, config).await {
-        Ok((client, connection)) => Ok((client, connection)),
-        Err(e) => Err(e),
-    }
-}
-
-async fn connect_once<T>(
-    host: &Host,
-    port: u16,
-    tls: T,
-    config: &Config,
-) -> Result<(Client, Connection<TcpStream, T::Stream>), Error>
-where
-    T: TlsConnect<TcpStream>,
-{
-    let socket = connect_socket(host, port, config.connect_timeout).await?;
-    let RawConnection {
-        stream,
-        parameters,
-        delayed_notice,
-        process_id,
-        secret_key,
-    } = connect_raw(socket, tls, config).await?;
-
-    let socket_config = SocketConfig {
-        host: host.clone(),
-        port,
-        connect_timeout: config.connect_timeout,
-    };
-
-    let (sender, receiver) = mpsc::unbounded_channel();
-    let client = Client::new(
-        sender,
-        socket_config,
-        config.ssl_mode,
-        process_id,
-        secret_key,
-    );
-
-    // delayed notices are always sent as "Async" messages.
-    let delayed = delayed_notice
-        .into_iter()
-        .map(|m| BackendMessage::Async(Message::NoticeResponse(m)))
-        .collect();
-
-    let connection = Connection::new(stream, delayed, parameters, receiver);
-
-    Ok((client, connection))
-}

libs/proxy/tokio-postgres2/src/connect_raw.rs

@@ -1,326 +0,0 @@
-use crate::codec::{BackendMessage, BackendMessages, FrontendMessage, PostgresCodec};
-use crate::config::{self, AuthKeys, Config};
-use crate::connect_tls::connect_tls;
-use crate::maybe_tls_stream::MaybeTlsStream;
-use crate::tls::{TlsConnect, TlsStream};
-use crate::Error;
-use bytes::BytesMut;
-use fallible_iterator::FallibleIterator;
-use futures_util::{ready, Sink, SinkExt, Stream, TryStreamExt};
-use postgres_protocol2::authentication::sasl;
-use postgres_protocol2::authentication::sasl::ScramSha256;
-use postgres_protocol2::message::backend::{AuthenticationSaslBody, Message, NoticeResponseBody};
-use postgres_protocol2::message::frontend;
-use std::collections::HashMap;
-use std::io;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-use tokio::io::{AsyncRead, AsyncWrite};
-use tokio_util::codec::Framed;
-
-pub struct StartupStream<S, T> {
-    inner: Framed<MaybeTlsStream<S, T>, PostgresCodec>,
-    buf: BackendMessages,
-    delayed_notice: Vec<NoticeResponseBody>,
-}
-
-impl<S, T> Sink<FrontendMessage> for StartupStream<S, T>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: AsyncRead + AsyncWrite + Unpin,
-{
-    type Error = io::Error;
-
-    fn poll_ready(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
-        Pin::new(&mut self.inner).poll_ready(cx)
-    }
-
-    fn start_send(mut self: Pin<&mut Self>, item: FrontendMessage) -> io::Result<()> {
-        Pin::new(&mut self.inner).start_send(item)
-    }
-
-    fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
-        Pin::new(&mut self.inner).poll_flush(cx)
-    }
-
-    fn poll_close(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
-        Pin::new(&mut self.inner).poll_close(cx)
-    }
-}
-
-impl<S, T> Stream for StartupStream<S, T>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: AsyncRead + AsyncWrite + Unpin,
-{
-    type Item = io::Result<Message>;
-
-    fn poll_next(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-    ) -> Poll<Option<io::Result<Message>>> {
-        loop {
-            match self.buf.next() {
-                Ok(Some(message)) => return Poll::Ready(Some(Ok(message))),
-                Ok(None) => {}
-                Err(e) => return Poll::Ready(Some(Err(e))),
-            }
-
-            match ready!(Pin::new(&mut self.inner).poll_next(cx)) {
-                Some(Ok(BackendMessage::Normal { messages, .. })) => self.buf = messages,
-                Some(Ok(BackendMessage::Async(message))) => return Poll::Ready(Some(Ok(message))),
-                Some(Err(e)) => return Poll::Ready(Some(Err(e))),
-                None => return Poll::Ready(None),
-            }
-        }
-    }
-}
-
-pub struct RawConnection<S, T> {
-    pub stream: Framed<MaybeTlsStream<S, T>, PostgresCodec>,
-    pub parameters: HashMap<String, String>,
-    pub delayed_notice: Vec<NoticeResponseBody>,
-    pub process_id: i32,
-    pub secret_key: i32,
-}
-
-pub async fn connect_raw<S, T>(
-    stream: S,
-    tls: T,
-    config: &Config,
-) -> Result<RawConnection<S, T::Stream>, Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: TlsConnect<S>,
-{
-    let stream = connect_tls(stream, config.ssl_mode, tls).await?;
-
-    let mut stream = StartupStream {
-        inner: Framed::new(stream, PostgresCodec),
-        buf: BackendMessages::empty(),
-        delayed_notice: Vec::new(),
-    };
-
-    startup(&mut stream, config).await?;
-    authenticate(&mut stream, config).await?;
-    let (process_id, secret_key, parameters) = read_info(&mut stream).await?;
-
-    Ok(RawConnection {
-        stream: stream.inner,
-        parameters,
-        delayed_notice: stream.delayed_notice,
-        process_id,
-        secret_key,
-    })
-}
-
-async fn startup<S, T>(stream: &mut StartupStream<S, T>, config: &Config) -> Result<(), Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: AsyncRead + AsyncWrite + Unpin,
-{
-    let mut buf = BytesMut::new();
-    frontend::startup_message(&config.server_params, &mut buf).map_err(Error::encode)?;
-
-    stream
-        .send(FrontendMessage::Raw(buf.freeze()))
-        .await
-        .map_err(Error::io)
-}
-
-async fn authenticate<S, T>(stream: &mut StartupStream<S, T>, config: &Config) -> Result<(), Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: TlsStream + Unpin,
-{
-    match stream.try_next().await.map_err(Error::io)? {
-        Some(Message::AuthenticationOk) => {
-            can_skip_channel_binding(config)?;
-            return Ok(());
-        }
-        Some(Message::AuthenticationCleartextPassword) => {
-            can_skip_channel_binding(config)?;
-
-            let pass = config
-                .password
-                .as_ref()
-                .ok_or_else(|| Error::config("password missing".into()))?;
-
-            authenticate_password(stream, pass).await?;
-        }
-        Some(Message::AuthenticationSasl(body)) => {
-            authenticate_sasl(stream, body, config).await?;
-        }
-        Some(Message::AuthenticationMd5Password)
-        | Some(Message::AuthenticationKerberosV5)
-        | Some(Message::AuthenticationScmCredential)
-        | Some(Message::AuthenticationGss)
-        | Some(Message::AuthenticationSspi) => {
-            return Err(Error::authentication(
-                "unsupported authentication method".into(),
-            ))
-        }
-        Some(Message::ErrorResponse(body)) => return Err(Error::db(body)),
-        Some(_) => return Err(Error::unexpected_message()),
-        None => return Err(Error::closed()),
-    }
-
-    match stream.try_next().await.map_err(Error::io)? {
-        Some(Message::AuthenticationOk) => Ok(()),
-        Some(Message::ErrorResponse(body)) => Err(Error::db(body)),
-        Some(_) => Err(Error::unexpected_message()),
-        None => Err(Error::closed()),
-    }
-}
-
-fn can_skip_channel_binding(config: &Config) -> Result<(), Error> {
-    match config.channel_binding {
-        config::ChannelBinding::Disable | config::ChannelBinding::Prefer => Ok(()),
-        config::ChannelBinding::Require => Err(Error::authentication(
-            "server did not use channel binding".into(),
-        )),
-    }
-}
-
-async fn authenticate_password<S, T>(
-    stream: &mut StartupStream<S, T>,
-    password: &[u8],
-) -> Result<(), Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: AsyncRead + AsyncWrite + Unpin,
-{
-    let mut buf = BytesMut::new();
-    frontend::password_message(password, &mut buf).map_err(Error::encode)?;
-
-    stream
-        .send(FrontendMessage::Raw(buf.freeze()))
-        .await
-        .map_err(Error::io)
-}
-
-async fn authenticate_sasl<S, T>(
-    stream: &mut StartupStream<S, T>,
-    body: AuthenticationSaslBody,
-    config: &Config,
-) -> Result<(), Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: TlsStream + Unpin,
-{
-    let mut has_scram = false;
-    let mut has_scram_plus = false;
-    let mut mechanisms = body.mechanisms();
-    while let Some(mechanism) = mechanisms.next().map_err(Error::parse)? {
-        match mechanism {
-            sasl::SCRAM_SHA_256 => has_scram = true,
-            sasl::SCRAM_SHA_256_PLUS => has_scram_plus = true,
-            _ => {}
-        }
-    }
-
-    let channel_binding = stream
-        .inner
-        .get_ref()
-        .channel_binding()
-        .tls_server_end_point
-        .filter(|_| config.channel_binding != config::ChannelBinding::Disable)
-        .map(sasl::ChannelBinding::tls_server_end_point);
-
-    let (channel_binding, mechanism) = if has_scram_plus {
-        match channel_binding {
-            Some(channel_binding) => (channel_binding, sasl::SCRAM_SHA_256_PLUS),
-            None => (sasl::ChannelBinding::unsupported(), sasl::SCRAM_SHA_256),
-        }
-    } else if has_scram {
-        match channel_binding {
-            Some(_) => (sasl::ChannelBinding::unrequested(), sasl::SCRAM_SHA_256),
-            None => (sasl::ChannelBinding::unsupported(), sasl::SCRAM_SHA_256),
-        }
-    } else {
-        return Err(Error::authentication("unsupported SASL mechanism".into()));
-    };
-
-    if mechanism != sasl::SCRAM_SHA_256_PLUS {
-        can_skip_channel_binding(config)?;
-    }
-
-    let mut scram = if let Some(AuthKeys::ScramSha256(keys)) = config.get_auth_keys() {
-        ScramSha256::new_with_keys(keys, channel_binding)
-    } else if let Some(password) = config.get_password() {
-        ScramSha256::new(password, channel_binding)
-    } else {
-        return Err(Error::config("password or auth keys missing".into()));
-    };
-
-    let mut buf = BytesMut::new();
-    frontend::sasl_initial_response(mechanism, scram.message(), &mut buf).map_err(Error::encode)?;
-    stream
-        .send(FrontendMessage::Raw(buf.freeze()))
-        .await
-        .map_err(Error::io)?;
-
-    let body = match stream.try_next().await.map_err(Error::io)? {
-        Some(Message::AuthenticationSaslContinue(body)) => body,
-        Some(Message::ErrorResponse(body)) => return Err(Error::db(body)),
-        Some(_) => return Err(Error::unexpected_message()),
-        None => return Err(Error::closed()),
-    };
-
-    scram
-        .update(body.data())
-        .await
-        .map_err(|e| Error::authentication(e.into()))?;
-
-    let mut buf = BytesMut::new();
-    frontend::sasl_response(scram.message(), &mut buf).map_err(Error::encode)?;
-    stream
-        .send(FrontendMessage::Raw(buf.freeze()))
-        .await
-        .map_err(Error::io)?;
-
-    let body = match stream.try_next().await.map_err(Error::io)? {
-        Some(Message::AuthenticationSaslFinal(body)) => body,
-        Some(Message::ErrorResponse(body)) => return Err(Error::db(body)),
-        Some(_) => return Err(Error::unexpected_message()),
-        None => return Err(Error::closed()),
-    };
-
-    scram
-        .finish(body.data())
-        .map_err(|e| Error::authentication(e.into()))?;
-
-    Ok(())
-}
-
-async fn read_info<S, T>(
-    stream: &mut StartupStream<S, T>,
-) -> Result<(i32, i32, HashMap<String, String>), Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: AsyncRead + AsyncWrite + Unpin,
-{
-    let mut process_id = 0;
-    let mut secret_key = 0;
-    let mut parameters = HashMap::new();
-
-    loop {
-        match stream.try_next().await.map_err(Error::io)? {
-            Some(Message::BackendKeyData(body)) => {
-                process_id = body.process_id();
-                secret_key = body.secret_key();
-            }
-            Some(Message::ParameterStatus(body)) => {
-                parameters.insert(
-                    body.name().map_err(Error::parse)?.to_string(),
-                    body.value().map_err(Error::parse)?.to_string(),
-                );
-            }
-            Some(Message::NoticeResponse(body)) => stream.delayed_notice.push(body),
-            Some(Message::ReadyForQuery(_)) => return Ok((process_id, secret_key, parameters)),
-            Some(Message::ErrorResponse(body)) => return Err(Error::db(body)),
-            Some(_) => return Err(Error::unexpected_message()),
-            None => return Err(Error::closed()),
-        }
-    }
-}

libs/proxy/tokio-postgres2/src/connect_socket.rs

@@ -1,65 +0,0 @@
-use crate::config::Host;
-use crate::Error;
-use std::future::Future;
-use std::io;
-use std::time::Duration;
-use tokio::net::{self, TcpStream};
-use tokio::time;
-
-pub(crate) async fn connect_socket(
-    host: &Host,
-    port: u16,
-    connect_timeout: Option<Duration>,
-) -> Result<TcpStream, Error> {
-    match host {
-        Host::Tcp(host) => {
-            let addrs = net::lookup_host((&**host, port))
-                .await
-                .map_err(Error::connect)?;
-
-            let mut last_err = None;
-
-            for addr in addrs {
-                let stream =
-                    match connect_with_timeout(TcpStream::connect(addr), connect_timeout).await {
-                        Ok(stream) => stream,
-                        Err(e) => {
-                            last_err = Some(e);
-                            continue;
-                        }
-                    };
-
-                stream.set_nodelay(true).map_err(Error::connect)?;
-
-                return Ok(stream);
-            }
-
-            Err(last_err.unwrap_or_else(|| {
-                Error::connect(io::Error::new(
-                    io::ErrorKind::InvalidInput,
-                    "could not resolve any addresses",
-                ))
-            }))
-        }
-    }
-}
-
-async fn connect_with_timeout<F, T>(connect: F, timeout: Option<Duration>) -> Result<T, Error>
-where
-    F: Future<Output = io::Result<T>>,
-{
-    match timeout {
-        Some(timeout) => match time::timeout(timeout, connect).await {
-            Ok(Ok(socket)) => Ok(socket),
-            Ok(Err(e)) => Err(Error::connect(e)),
-            Err(_) => Err(Error::connect(io::Error::new(
-                io::ErrorKind::TimedOut,
-                "connection timed out",
-            ))),
-        },
-        None => match connect.await {
-            Ok(socket) => Ok(socket),
-            Err(e) => Err(Error::connect(e)),
-        },
-    }
-}

libs/proxy/tokio-postgres2/src/connect_tls.rs

@@ -1,48 +0,0 @@
-use crate::config::SslMode;
-use crate::maybe_tls_stream::MaybeTlsStream;
-use crate::tls::private::ForcePrivateApi;
-use crate::tls::TlsConnect;
-use crate::Error;
-use bytes::BytesMut;
-use postgres_protocol2::message::frontend;
-use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
-
-pub async fn connect_tls<S, T>(
-    mut stream: S,
-    mode: SslMode,
-    tls: T,
-) -> Result<MaybeTlsStream<S, T::Stream>, Error>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: TlsConnect<S>,
-{
-    match mode {
-        SslMode::Disable => return Ok(MaybeTlsStream::Raw(stream)),
-        SslMode::Prefer if !tls.can_connect(ForcePrivateApi) => {
-            return Ok(MaybeTlsStream::Raw(stream))
-        }
-        SslMode::Prefer | SslMode::Require => {}
-    }
-
-    let mut buf = BytesMut::new();
-    frontend::ssl_request(&mut buf);
-    stream.write_all(&buf).await.map_err(Error::io)?;
-
-    let mut buf = [0];
-    stream.read_exact(&mut buf).await.map_err(Error::io)?;
-
-    if buf[0] != b'S' {
-        if SslMode::Require == mode {
-            return Err(Error::tls("server does not support TLS".into()));
-        } else {
-            return Ok(MaybeTlsStream::Raw(stream));
-        }
-    }
-
-    let stream = tls
-        .connect(stream)
-        .await
-        .map_err(|e| Error::tls(e.into()))?;
-
-    Ok(MaybeTlsStream::Tls(stream))
-}

libs/proxy/tokio-postgres2/src/connection.rs

@@ -1,323 +0,0 @@
-use crate::codec::{BackendMessage, BackendMessages, FrontendMessage, PostgresCodec};
-use crate::error::DbError;
-use crate::maybe_tls_stream::MaybeTlsStream;
-use crate::{AsyncMessage, Error, Notification};
-use bytes::BytesMut;
-use fallible_iterator::FallibleIterator;
-use futures_util::{ready, Sink, Stream};
-use log::{info, trace};
-use postgres_protocol2::message::backend::Message;
-use postgres_protocol2::message::frontend;
-use std::collections::{HashMap, VecDeque};
-use std::future::Future;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-use tokio::io::{AsyncRead, AsyncWrite};
-use tokio::sync::mpsc;
-use tokio_util::codec::Framed;
-use tokio_util::sync::PollSender;
-
-pub enum RequestMessages {
-    Single(FrontendMessage),
-}
-
-pub struct Request {
-    pub messages: RequestMessages,
-    pub sender: mpsc::Sender<BackendMessages>,
-}
-
-pub struct Response {
-    sender: PollSender<BackendMessages>,
-}
-
-#[derive(PartialEq, Debug)]
-enum State {
-    Active,
-    Terminating,
-    Closing,
-}
-
-/// A connection to a PostgreSQL database.
-///
-/// This is one half of what is returned when a new connection is established. It performs the actual IO with the
-/// server, and should generally be spawned off onto an executor to run in the background.
-///
-/// `Connection` implements `Future`, and only resolves when the connection is closed, either because a fatal error has
-/// occurred, or because its associated `Client` has dropped and all outstanding work has completed.
-#[must_use = "futures do nothing unless polled"]
-pub struct Connection<S, T> {
-    /// HACK: we need this in the Neon Proxy.
-    pub stream: Framed<MaybeTlsStream<S, T>, PostgresCodec>,
-    /// HACK: we need this in the Neon Proxy to forward params.
-    pub parameters: HashMap<String, String>,
-    receiver: mpsc::UnboundedReceiver<Request>,
-    pending_request: Option<RequestMessages>,
-    pending_responses: VecDeque<BackendMessage>,
-    responses: VecDeque<Response>,
-    state: State,
-}
-
-impl<S, T> Connection<S, T>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: AsyncRead + AsyncWrite + Unpin,
-{
-    pub(crate) fn new(
-        stream: Framed<MaybeTlsStream<S, T>, PostgresCodec>,
-        pending_responses: VecDeque<BackendMessage>,
-        parameters: HashMap<String, String>,
-        receiver: mpsc::UnboundedReceiver<Request>,
-    ) -> Connection<S, T> {
-        Connection {
-            stream,
-            parameters,
-            receiver,
-            pending_request: None,
-            pending_responses,
-            responses: VecDeque::new(),
-            state: State::Active,
-        }
-    }
-
-    fn poll_response(
-        &mut self,
-        cx: &mut Context<'_>,
-    ) -> Poll<Option<Result<BackendMessage, Error>>> {
-        if let Some(message) = self.pending_responses.pop_front() {
-            trace!("retrying pending response");
-            return Poll::Ready(Some(Ok(message)));
-        }
-
-        Pin::new(&mut self.stream)
-            .poll_next(cx)
-            .map(|o| o.map(|r| r.map_err(Error::io)))
-    }
-
-    fn poll_read(&mut self, cx: &mut Context<'_>) -> Result<Option<AsyncMessage>, Error> {
-        if self.state != State::Active {
-            trace!("poll_read: done");
-            return Ok(None);
-        }
-
-        loop {
-            let message = match self.poll_response(cx)? {
-                Poll::Ready(Some(message)) => message,
-                Poll::Ready(None) => return Err(Error::closed()),
-                Poll::Pending => {
-                    trace!("poll_read: waiting on response");
-                    return Ok(None);
-                }
-            };
-
-            let (mut messages, request_complete) = match message {
-                BackendMessage::Async(Message::NoticeResponse(body)) => {
-                    let error = DbError::parse(&mut body.fields()).map_err(Error::parse)?;
-                    return Ok(Some(AsyncMessage::Notice(error)));
-                }
-                BackendMessage::Async(Message::NotificationResponse(body)) => {
-                    let notification = Notification {
-                        process_id: body.process_id(),
-                        channel: body.channel().map_err(Error::parse)?.to_string(),
-                        payload: body.message().map_err(Error::parse)?.to_string(),
-                    };
-                    return Ok(Some(AsyncMessage::Notification(notification)));
-                }
-                BackendMessage::Async(Message::ParameterStatus(body)) => {
-                    self.parameters.insert(
-                        body.name().map_err(Error::parse)?.to_string(),
-                        body.value().map_err(Error::parse)?.to_string(),
-                    );
-                    continue;
-                }
-                BackendMessage::Async(_) => unreachable!(),
-                BackendMessage::Normal {
-                    messages,
-                    request_complete,
-                } => (messages, request_complete),
-            };
-
-            let mut response = match self.responses.pop_front() {
-                Some(response) => response,
-                None => match messages.next().map_err(Error::parse)? {
-                    Some(Message::ErrorResponse(error)) => return Err(Error::db(error)),
-                    _ => return Err(Error::unexpected_message()),
-                },
-            };
-
-            match response.sender.poll_reserve(cx) {
-                Poll::Ready(Ok(())) => {
-                    let _ = response.sender.send_item(messages);
-                    if !request_complete {
-                        self.responses.push_front(response);
-                    }
-                }
-                Poll::Ready(Err(_)) => {
-                    // we need to keep paging through the rest of the messages even if the receiver's hung up
-                    if !request_complete {
-                        self.responses.push_front(response);
-                    }
-                }
-                Poll::Pending => {
-                    self.responses.push_front(response);
-                    self.pending_responses.push_back(BackendMessage::Normal {
-                        messages,
-                        request_complete,
-                    });
-                    trace!("poll_read: waiting on sender");
-                    return Ok(None);
-                }
-            }
-        }
-    }
-
-    fn poll_request(&mut self, cx: &mut Context<'_>) -> Poll<Option<RequestMessages>> {
-        if let Some(messages) = self.pending_request.take() {
-            trace!("retrying pending request");
-            return Poll::Ready(Some(messages));
-        }
-
-        if self.receiver.is_closed() {
-            return Poll::Ready(None);
-        }
-
-        match self.receiver.poll_recv(cx) {
-            Poll::Ready(Some(request)) => {
-                trace!("polled new request");
-                self.responses.push_back(Response {
-                    sender: PollSender::new(request.sender),
-                });
-                Poll::Ready(Some(request.messages))
-            }
-            Poll::Ready(None) => Poll::Ready(None),
-            Poll::Pending => Poll::Pending,
-        }
-    }
-
-    fn poll_write(&mut self, cx: &mut Context<'_>) -> Result<bool, Error> {
-        loop {
-            if self.state == State::Closing {
-                trace!("poll_write: done");
-                return Ok(false);
-            }
-
-            if Pin::new(&mut self.stream)
-                .poll_ready(cx)
-                .map_err(Error::io)?
-                .is_pending()
-            {
-                trace!("poll_write: waiting on socket");
-                return Ok(false);
-            }
-
-            let request = match self.poll_request(cx) {
-                Poll::Ready(Some(request)) => request,
-                Poll::Ready(None) if self.responses.is_empty() && self.state == State::Active => {
-                    trace!("poll_write: at eof, terminating");
-                    self.state = State::Terminating;
-                    let mut request = BytesMut::new();
-                    frontend::terminate(&mut request);
-                    RequestMessages::Single(FrontendMessage::Raw(request.freeze()))
-                }
-                Poll::Ready(None) => {
-                    trace!(
-                        "poll_write: at eof, pending responses {}",
-                        self.responses.len()
-                    );
-                    return Ok(true);
-                }
-                Poll::Pending => {
-                    trace!("poll_write: waiting on request");
-                    return Ok(true);
-                }
-            };
-
-            match request {
-                RequestMessages::Single(request) => {
-                    Pin::new(&mut self.stream)
-                        .start_send(request)
-                        .map_err(Error::io)?;
-                    if self.state == State::Terminating {
-                        trace!("poll_write: sent eof, closing");
-                        self.state = State::Closing;
-                    }
-                }
-            }
-        }
-    }
-
-    fn poll_flush(&mut self, cx: &mut Context<'_>) -> Result<(), Error> {
-        match Pin::new(&mut self.stream)
-            .poll_flush(cx)
-            .map_err(Error::io)?
-        {
-            Poll::Ready(()) => trace!("poll_flush: flushed"),
-            Poll::Pending => trace!("poll_flush: waiting on socket"),
-        }
-        Ok(())
-    }
-
-    fn poll_shutdown(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Error>> {
-        if self.state != State::Closing {
-            return Poll::Pending;
-        }
-
-        match Pin::new(&mut self.stream)
-            .poll_close(cx)
-            .map_err(Error::io)?
-        {
-            Poll::Ready(()) => {
-                trace!("poll_shutdown: complete");
-                Poll::Ready(Ok(()))
-            }
-            Poll::Pending => {
-                trace!("poll_shutdown: waiting on socket");
-                Poll::Pending
-            }
-        }
-    }
-
-    /// Returns the value of a runtime parameter for this connection.
-    pub fn parameter(&self, name: &str) -> Option<&str> {
-        self.parameters.get(name).map(|s| &**s)
-    }
-
-    /// Polls for asynchronous messages from the server.
-    ///
-    /// The server can send notices as well as notifications asynchronously to the client. Applications that wish to
-    /// examine those messages should use this method to drive the connection rather than its `Future` implementation.
-    pub fn poll_message(
-        &mut self,
-        cx: &mut Context<'_>,
-    ) -> Poll<Option<Result<AsyncMessage, Error>>> {
-        let message = self.poll_read(cx)?;
-        let want_flush = self.poll_write(cx)?;
-        if want_flush {
-            self.poll_flush(cx)?;
-        }
-        match message {
-            Some(message) => Poll::Ready(Some(Ok(message))),
-            None => match self.poll_shutdown(cx) {
-                Poll::Ready(Ok(())) => Poll::Ready(None),
-                Poll::Ready(Err(e)) => Poll::Ready(Some(Err(e))),
-                Poll::Pending => Poll::Pending,
-            },
-        }
-    }
-}
-
-impl<S, T> Future for Connection<S, T>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: AsyncRead + AsyncWrite + Unpin,
-{
-    type Output = Result<(), Error>;
-
-    fn poll(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<(), Error>> {
-        while let Some(message) = ready!(self.poll_message(cx)?) {
-            if let AsyncMessage::Notice(notice) = message {
-                info!("{}: {}", notice.severity(), notice.message());
-            }
-        }
-        Poll::Ready(Ok(()))
-    }
-}

libs/proxy/tokio-postgres2/src/error/mod.rs

@@ -1,495 +0,0 @@
-//! Errors.
-
-use fallible_iterator::FallibleIterator;
-use postgres_protocol2::message::backend::{ErrorFields, ErrorResponseBody};
-use std::error::{self, Error as _Error};
-use std::fmt;
-use std::io;
-
-pub use self::sqlstate::*;
-
-#[allow(clippy::unreadable_literal)]
-mod sqlstate;
-
-/// The severity of a Postgres error or notice.
-#[derive(Debug, Copy, Clone, PartialEq, Eq)]
-pub enum Severity {
-    /// PANIC
-    Panic,
-    /// FATAL
-    Fatal,
-    /// ERROR
-    Error,
-    /// WARNING
-    Warning,
-    /// NOTICE
-    Notice,
-    /// DEBUG
-    Debug,
-    /// INFO
-    Info,
-    /// LOG
-    Log,
-}
-
-impl fmt::Display for Severity {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        let s = match *self {
-            Severity::Panic => "PANIC",
-            Severity::Fatal => "FATAL",
-            Severity::Error => "ERROR",
-            Severity::Warning => "WARNING",
-            Severity::Notice => "NOTICE",
-            Severity::Debug => "DEBUG",
-            Severity::Info => "INFO",
-            Severity::Log => "LOG",
-        };
-        fmt.write_str(s)
-    }
-}
-
-impl Severity {
-    fn from_str(s: &str) -> Option<Severity> {
-        match s {
-            "PANIC" => Some(Severity::Panic),
-            "FATAL" => Some(Severity::Fatal),
-            "ERROR" => Some(Severity::Error),
-            "WARNING" => Some(Severity::Warning),
-            "NOTICE" => Some(Severity::Notice),
-            "DEBUG" => Some(Severity::Debug),
-            "INFO" => Some(Severity::Info),
-            "LOG" => Some(Severity::Log),
-            _ => None,
-        }
-    }
-}
-
-/// A Postgres error or notice.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct DbError {
-    severity: String,
-    parsed_severity: Option<Severity>,
-    code: SqlState,
-    message: String,
-    detail: Option<String>,
-    hint: Option<String>,
-    position: Option<ErrorPosition>,
-    where_: Option<String>,
-    schema: Option<String>,
-    table: Option<String>,
-    column: Option<String>,
-    datatype: Option<String>,
-    constraint: Option<String>,
-    file: Option<String>,
-    line: Option<u32>,
-    routine: Option<String>,
-}
-
-impl DbError {
-    pub(crate) fn parse(fields: &mut ErrorFields<'_>) -> io::Result<DbError> {
-        let mut severity = None;
-        let mut parsed_severity = None;
-        let mut code = None;
-        let mut message = None;
-        let mut detail = None;
-        let mut hint = None;
-        let mut normal_position = None;
-        let mut internal_position = None;
-        let mut internal_query = None;
-        let mut where_ = None;
-        let mut schema = None;
-        let mut table = None;
-        let mut column = None;
-        let mut datatype = None;
-        let mut constraint = None;
-        let mut file = None;
-        let mut line = None;
-        let mut routine = None;
-
-        while let Some(field) = fields.next()? {
-            match field.type_() {
-                b'S' => severity = Some(field.value().to_owned()),
-                b'C' => code = Some(SqlState::from_code(field.value())),
-                b'M' => message = Some(field.value().to_owned()),
-                b'D' => detail = Some(field.value().to_owned()),
-                b'H' => hint = Some(field.value().to_owned()),
-                b'P' => {
-                    normal_position = Some(field.value().parse::<u32>().map_err(|_| {
-                        io::Error::new(
-                            io::ErrorKind::InvalidInput,
-                            "`P` field did not contain an integer",
-                        )
-                    })?);
-                }
-                b'p' => {
-                    internal_position = Some(field.value().parse::<u32>().map_err(|_| {
-                        io::Error::new(
-                            io::ErrorKind::InvalidInput,
-                            "`p` field did not contain an integer",
-                        )
-                    })?);
-                }
-                b'q' => internal_query = Some(field.value().to_owned()),
-                b'W' => where_ = Some(field.value().to_owned()),
-                b's' => schema = Some(field.value().to_owned()),
-                b't' => table = Some(field.value().to_owned()),
-                b'c' => column = Some(field.value().to_owned()),
-                b'd' => datatype = Some(field.value().to_owned()),
-                b'n' => constraint = Some(field.value().to_owned()),
-                b'F' => file = Some(field.value().to_owned()),
-                b'L' => {
-                    line = Some(field.value().parse::<u32>().map_err(|_| {
-                        io::Error::new(
-                            io::ErrorKind::InvalidInput,
-                            "`L` field did not contain an integer",
-                        )
-                    })?);
-                }
-                b'R' => routine = Some(field.value().to_owned()),
-                b'V' => {
-                    parsed_severity = Some(Severity::from_str(field.value()).ok_or_else(|| {
-                        io::Error::new(
-                            io::ErrorKind::InvalidInput,
-                            "`V` field contained an invalid value",
-                        )
-                    })?);
-                }
-                _ => {}
-            }
-        }
-
-        Ok(DbError {
-            severity: severity
-                .ok_or_else(|| io::Error::new(io::ErrorKind::InvalidInput, "`S` field missing"))?,
-            parsed_severity,
-            code: code
-                .ok_or_else(|| io::Error::new(io::ErrorKind::InvalidInput, "`C` field missing"))?,
-            message: message
-                .ok_or_else(|| io::Error::new(io::ErrorKind::InvalidInput, "`M` field missing"))?,
-            detail,
-            hint,
-            position: match normal_position {
-                Some(position) => Some(ErrorPosition::Original(position)),
-                None => match internal_position {
-                    Some(position) => Some(ErrorPosition::Internal {
-                        position,
-                        query: internal_query.ok_or_else(|| {
-                            io::Error::new(
-                                io::ErrorKind::InvalidInput,
-                                "`q` field missing but `p` field present",
-                            )
-                        })?,
-                    }),
-                    None => None,
-                },
-            },
-            where_,
-            schema,
-            table,
-            column,
-            datatype,
-            constraint,
-            file,
-            line,
-            routine,
-        })
-    }
-
-    /// The field contents are ERROR, FATAL, or PANIC (in an error message),
-    /// or WARNING, NOTICE, DEBUG, INFO, or LOG (in a notice message), or a
-    /// localized translation of one of these.
-    pub fn severity(&self) -> &str {
-        &self.severity
-    }
-
-    /// A parsed, nonlocalized version of `severity`. (PostgreSQL 9.6+)
-    pub fn parsed_severity(&self) -> Option<Severity> {
-        self.parsed_severity
-    }
-
-    /// The SQLSTATE code for the error.
-    pub fn code(&self) -> &SqlState {
-        &self.code
-    }
-
-    /// The primary human-readable error message.
-    ///
-    /// This should be accurate but terse (typically one line).
-    pub fn message(&self) -> &str {
-        &self.message
-    }
-
-    /// An optional secondary error message carrying more detail about the
-    /// problem.
-    ///
-    /// Might run to multiple lines.
-    pub fn detail(&self) -> Option<&str> {
-        self.detail.as_deref()
-    }
-
-    /// An optional suggestion what to do about the problem.
-    ///
-    /// This is intended to differ from `detail` in that it offers advice
-    /// (potentially inappropriate) rather than hard facts. Might run to
-    /// multiple lines.
-    pub fn hint(&self) -> Option<&str> {
-        self.hint.as_deref()
-    }
-
-    /// An optional error cursor position into either the original query string
-    /// or an internally generated query.
-    pub fn position(&self) -> Option<&ErrorPosition> {
-        self.position.as_ref()
-    }
-
-    /// An indication of the context in which the error occurred.
-    ///
-    /// Presently this includes a call stack traceback of active procedural
-    /// language functions and internally-generated queries. The trace is one
-    /// entry per line, most recent first.
-    pub fn where_(&self) -> Option<&str> {
-        self.where_.as_deref()
-    }
-
-    /// If the error was associated with a specific database object, the name
-    /// of the schema containing that object, if any. (PostgreSQL 9.3+)
-    pub fn schema(&self) -> Option<&str> {
-        self.schema.as_deref()
-    }
-
-    /// If the error was associated with a specific table, the name of the
-    /// table. (Refer to the schema name field for the name of the table's
-    /// schema.) (PostgreSQL 9.3+)
-    pub fn table(&self) -> Option<&str> {
-        self.table.as_deref()
-    }
-
-    /// If the error was associated with a specific table column, the name of
-    /// the column.
-    ///
-    /// (Refer to the schema and table name fields to identify the table.)
-    /// (PostgreSQL 9.3+)
-    pub fn column(&self) -> Option<&str> {
-        self.column.as_deref()
-    }
-
-    /// If the error was associated with a specific data type, the name of the
-    /// data type. (Refer to the schema name field for the name of the data
-    /// type's schema.) (PostgreSQL 9.3+)
-    pub fn datatype(&self) -> Option<&str> {
-        self.datatype.as_deref()
-    }
-
-    /// If the error was associated with a specific constraint, the name of the
-    /// constraint.
-    ///
-    /// Refer to fields listed above for the associated table or domain.
-    /// (For this purpose, indexes are treated as constraints, even if they
-    /// weren't created with constraint syntax.) (PostgreSQL 9.3+)
-    pub fn constraint(&self) -> Option<&str> {
-        self.constraint.as_deref()
-    }
-
-    /// The file name of the source-code location where the error was reported.
-    pub fn file(&self) -> Option<&str> {
-        self.file.as_deref()
-    }
-
-    /// The line number of the source-code location where the error was
-    /// reported.
-    pub fn line(&self) -> Option<u32> {
-        self.line
-    }
-
-    /// The name of the source-code routine reporting the error.
-    pub fn routine(&self) -> Option<&str> {
-        self.routine.as_deref()
-    }
-}
-
-impl fmt::Display for DbError {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(fmt, "{}: {}", self.severity, self.message)?;
-        if let Some(detail) = &self.detail {
-            write!(fmt, "\nDETAIL: {}", detail)?;
-        }
-        if let Some(hint) = &self.hint {
-            write!(fmt, "\nHINT: {}", hint)?;
-        }
-        Ok(())
-    }
-}
-
-impl error::Error for DbError {}
-
-/// Represents the position of an error in a query.
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub enum ErrorPosition {
-    /// A position in the original query.
-    Original(u32),
-    /// A position in an internally generated query.
-    Internal {
-        /// The byte position.
-        position: u32,
-        /// A query generated by the Postgres server.
-        query: String,
-    },
-}
-
-#[derive(Debug, PartialEq)]
-enum Kind {
-    Io,
-    UnexpectedMessage,
-    Tls,
-    ToSql(usize),
-    FromSql(usize),
-    Column(String),
-    Closed,
-    Db,
-    Parse,
-    Encode,
-    Authentication,
-    Config,
-    Connect,
-    Timeout,
-}
-
-struct ErrorInner {
-    kind: Kind,
-    cause: Option<Box<dyn error::Error + Sync + Send>>,
-}
-
-/// An error communicating with the Postgres server.
-pub struct Error(Box<ErrorInner>);
-
-impl fmt::Debug for Error {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt.debug_struct("Error")
-            .field("kind", &self.0.kind)
-            .field("cause", &self.0.cause)
-            .finish()
-    }
-}
-
-impl fmt::Display for Error {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match &self.0.kind {
-            Kind::Io => fmt.write_str("error communicating with the server")?,
-            Kind::UnexpectedMessage => fmt.write_str("unexpected message from server")?,
-            Kind::Tls => fmt.write_str("error performing TLS handshake")?,
-            Kind::ToSql(idx) => write!(fmt, "error serializing parameter {}", idx)?,
-            Kind::FromSql(idx) => write!(fmt, "error deserializing column {}", idx)?,
-            Kind::Column(column) => write!(fmt, "invalid column `{}`", column)?,
-            Kind::Closed => fmt.write_str("connection closed")?,
-            Kind::Db => fmt.write_str("db error")?,
-            Kind::Parse => fmt.write_str("error parsing response from server")?,
-            Kind::Encode => fmt.write_str("error encoding message to server")?,
-            Kind::Authentication => fmt.write_str("authentication error")?,
-            Kind::Config => fmt.write_str("invalid configuration")?,
-            Kind::Connect => fmt.write_str("error connecting to server")?,
-            Kind::Timeout => fmt.write_str("timeout waiting for server")?,
-        };
-        if let Some(ref cause) = self.0.cause {
-            write!(fmt, ": {}", cause)?;
-        }
-        Ok(())
-    }
-}
-
-impl error::Error for Error {
-    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
-        self.0.cause.as_ref().map(|e| &**e as _)
-    }
-}
-
-impl Error {
-    /// Consumes the error, returning its cause.
-    pub fn into_source(self) -> Option<Box<dyn error::Error + Sync + Send>> {
-        self.0.cause
-    }
-
-    /// Returns the source of this error if it was a `DbError`.
-    ///
-    /// This is a simple convenience method.
-    pub fn as_db_error(&self) -> Option<&DbError> {
-        self.source().and_then(|e| e.downcast_ref::<DbError>())
-    }
-
-    /// Determines if the error was associated with closed connection.
-    pub fn is_closed(&self) -> bool {
-        self.0.kind == Kind::Closed
-    }
-
-    /// Returns the SQLSTATE error code associated with the error.
-    ///
-    /// This is a convenience method that downcasts the cause to a `DbError` and returns its code.
-    pub fn code(&self) -> Option<&SqlState> {
-        self.as_db_error().map(DbError::code)
-    }
-
-    fn new(kind: Kind, cause: Option<Box<dyn error::Error + Sync + Send>>) -> Error {
-        Error(Box::new(ErrorInner { kind, cause }))
-    }
-
-    pub(crate) fn closed() -> Error {
-        Error::new(Kind::Closed, None)
-    }
-
-    pub(crate) fn unexpected_message() -> Error {
-        Error::new(Kind::UnexpectedMessage, None)
-    }
-
-    #[allow(clippy::needless_pass_by_value)]
-    pub(crate) fn db(error: ErrorResponseBody) -> Error {
-        match DbError::parse(&mut error.fields()) {
-            Ok(e) => Error::new(Kind::Db, Some(Box::new(e))),
-            Err(e) => Error::new(Kind::Parse, Some(Box::new(e))),
-        }
-    }
-
-    pub(crate) fn parse(e: io::Error) -> Error {
-        Error::new(Kind::Parse, Some(Box::new(e)))
-    }
-
-    pub(crate) fn encode(e: io::Error) -> Error {
-        Error::new(Kind::Encode, Some(Box::new(e)))
-    }
-
-    #[allow(clippy::wrong_self_convention)]
-    pub(crate) fn to_sql(e: Box<dyn error::Error + Sync + Send>, idx: usize) -> Error {
-        Error::new(Kind::ToSql(idx), Some(e))
-    }
-
-    pub(crate) fn from_sql(e: Box<dyn error::Error + Sync + Send>, idx: usize) -> Error {
-        Error::new(Kind::FromSql(idx), Some(e))
-    }
-
-    pub(crate) fn column(column: String) -> Error {
-        Error::new(Kind::Column(column), None)
-    }
-
-    pub(crate) fn tls(e: Box<dyn error::Error + Sync + Send>) -> Error {
-        Error::new(Kind::Tls, Some(e))
-    }
-
-    pub(crate) fn io(e: io::Error) -> Error {
-        Error::new(Kind::Io, Some(Box::new(e)))
-    }
-
-    pub(crate) fn authentication(e: Box<dyn error::Error + Sync + Send>) -> Error {
-        Error::new(Kind::Authentication, Some(e))
-    }
-
-    pub(crate) fn config(e: Box<dyn error::Error + Sync + Send>) -> Error {
-        Error::new(Kind::Config, Some(e))
-    }
-
-    pub(crate) fn connect(e: io::Error) -> Error {
-        Error::new(Kind::Connect, Some(Box::new(e)))
-    }
-
-    #[doc(hidden)]
-    pub fn __private_api_timeout() -> Error {
-        Error::new(Kind::Timeout, None)
-    }
-}

libs/proxy/tokio-postgres2/src/generic_client.rs

@@ -1,64 +0,0 @@
-use crate::query::{self, RowStream};
-use crate::types::Type;
-use crate::{Client, Error, Transaction};
-use async_trait::async_trait;
-use postgres_protocol2::Oid;
-
-mod private {
-    pub trait Sealed {}
-}
-
-/// A trait allowing abstraction over connections and transactions.
-///
-/// This trait is "sealed", and cannot be implemented outside of this crate.
-#[async_trait]
-pub trait GenericClient: private::Sealed {
-    async fn query_raw_txt<S, I>(&mut self, statement: &str, params: I) -> Result<RowStream, Error>
-    where
-        S: AsRef<str> + Sync + Send,
-        I: IntoIterator<Item = Option<S>> + Sync + Send,
-        I::IntoIter: ExactSizeIterator + Sync + Send;
-
-    /// Query for type information
-    async fn get_type(&mut self, oid: Oid) -> Result<Type, Error>;
-}
-
-impl private::Sealed for Client {}
-
-#[async_trait]
-impl GenericClient for Client {
-    async fn query_raw_txt<S, I>(&mut self, statement: &str, params: I) -> Result<RowStream, Error>
-    where
-        S: AsRef<str> + Sync + Send,
-        I: IntoIterator<Item = Option<S>> + Sync + Send,
-        I::IntoIter: ExactSizeIterator + Sync + Send,
-    {
-        query::query_txt(&mut self.inner, statement, params).await
-    }
-
-    /// Query for type information
-    async fn get_type(&mut self, oid: Oid) -> Result<Type, Error> {
-        crate::prepare::get_type(&mut self.inner, &mut self.cached_typeinfo, oid).await
-    }
-}
-
-impl private::Sealed for Transaction<'_> {}
-
-#[async_trait]
-#[allow(clippy::needless_lifetimes)]
-impl GenericClient for Transaction<'_> {
-    async fn query_raw_txt<S, I>(&mut self, statement: &str, params: I) -> Result<RowStream, Error>
-    where
-        S: AsRef<str> + Sync + Send,
-        I: IntoIterator<Item = Option<S>> + Sync + Send,
-        I::IntoIter: ExactSizeIterator + Sync + Send,
-    {
-        query::query_txt(&mut self.client().inner, statement, params).await
-    }
-
-    /// Query for type information
-    async fn get_type(&mut self, oid: Oid) -> Result<Type, Error> {
-        let client = self.client();
-        crate::prepare::get_type(&mut client.inner, &mut client.cached_typeinfo, oid).await
-    }
-}

libs/proxy/tokio-postgres2/src/lib.rs

@@ -1,115 +0,0 @@
-//! An asynchronous, pipelined, PostgreSQL client.
-#![warn(rust_2018_idioms, clippy::all)]
-
-pub use crate::cancel_token::CancelToken;
-pub use crate::client::{Client, SocketConfig};
-pub use crate::config::Config;
-pub use crate::connect_raw::RawConnection;
-pub use crate::connection::Connection;
-use crate::error::DbError;
-pub use crate::error::Error;
-pub use crate::generic_client::GenericClient;
-pub use crate::query::RowStream;
-pub use crate::row::Row;
-pub use crate::statement::{Column, Statement};
-pub use crate::tls::NoTls;
-// pub use crate::to_statement::ToStatement;
-pub use crate::transaction::Transaction;
-pub use crate::transaction_builder::{IsolationLevel, TransactionBuilder};
-use crate::types::ToSql;
-use postgres_protocol2::message::backend::ReadyForQueryBody;
-
-/// After executing a query, the connection will be in one of these states
-#[derive(Clone, Copy, Debug, PartialEq)]
-#[repr(u8)]
-pub enum ReadyForQueryStatus {
-    /// Connection state is unknown
-    Unknown,
-    /// Connection is idle (no transactions)
-    Idle = b'I',
-    /// Connection is in a transaction block
-    Transaction = b'T',
-    /// Connection is in a failed transaction block
-    FailedTransaction = b'E',
-}
-
-impl From<ReadyForQueryBody> for ReadyForQueryStatus {
-    fn from(value: ReadyForQueryBody) -> Self {
-        match value.status() {
-            b'I' => Self::Idle,
-            b'T' => Self::Transaction,
-            b'E' => Self::FailedTransaction,
-            _ => Self::Unknown,
-        }
-    }
-}
-
-mod cancel_query;
-mod cancel_query_raw;
-mod cancel_token;
-mod client;
-mod codec;
-pub mod config;
-mod connect;
-mod connect_raw;
-mod connect_socket;
-mod connect_tls;
-mod connection;
-pub mod error;
-mod generic_client;
-pub mod maybe_tls_stream;
-mod prepare;
-mod query;
-pub mod row;
-mod simple_query;
-mod statement;
-pub mod tls;
-// mod to_statement;
-mod transaction;
-mod transaction_builder;
-pub mod types;
-
-/// An asynchronous notification.
-#[derive(Clone, Debug)]
-pub struct Notification {
-    process_id: i32,
-    channel: String,
-    payload: String,
-}
-
-impl Notification {
-    /// The process ID of the notifying backend process.
-    pub fn process_id(&self) -> i32 {
-        self.process_id
-    }
-
-    /// The name of the channel that the notify has been raised on.
-    pub fn channel(&self) -> &str {
-        &self.channel
-    }
-
-    /// The "payload" string passed from the notifying process.
-    pub fn payload(&self) -> &str {
-        &self.payload
-    }
-}
-
-/// An asynchronous message from the server.
-#[allow(clippy::large_enum_variant)]
-#[derive(Debug, Clone)]
-pub enum AsyncMessage {
-    /// A notice.
-    ///
-    /// Notices use the same format as errors, but aren't "errors" per-se.
-    Notice(DbError),
-    /// A notification.
-    ///
-    /// Connections can subscribe to notifications with the `LISTEN` command.
-    Notification(Notification),
-}
-
-fn slice_iter<'a>(
-    s: &'a [&'a (dyn ToSql + Sync)],
-) -> impl ExactSizeIterator<Item = &'a (dyn ToSql + Sync)> + 'a {
-    s.iter().map(|s| *s as _)
-}

libs/proxy/tokio-postgres2/src/maybe_tls_stream.rs

@@ -1,77 +0,0 @@
-//! MaybeTlsStream.
-//!
-//! Represents a stream that may or may not be encrypted with TLS.
-use crate::tls::{ChannelBinding, TlsStream};
-use std::io;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
-
-/// A stream that may or may not be encrypted with TLS.
-pub enum MaybeTlsStream<S, T> {
-    /// An unencrypted stream.
-    Raw(S),
-    /// An encrypted stream.
-    Tls(T),
-}
-
-impl<S, T> AsyncRead for MaybeTlsStream<S, T>
-where
-    S: AsyncRead + Unpin,
-    T: AsyncRead + Unpin,
-{
-    fn poll_read(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-        buf: &mut ReadBuf<'_>,
-    ) -> Poll<io::Result<()>> {
-        match &mut *self {
-            MaybeTlsStream::Raw(s) => Pin::new(s).poll_read(cx, buf),
-            MaybeTlsStream::Tls(s) => Pin::new(s).poll_read(cx, buf),
-        }
-    }
-}
-
-impl<S, T> AsyncWrite for MaybeTlsStream<S, T>
-where
-    S: AsyncWrite + Unpin,
-    T: AsyncWrite + Unpin,
-{
-    fn poll_write(
-        mut self: Pin<&mut Self>,
-        cx: &mut Context<'_>,
-        buf: &[u8],
-    ) -> Poll<io::Result<usize>> {
-        match &mut *self {
-            MaybeTlsStream::Raw(s) => Pin::new(s).poll_write(cx, buf),
-            MaybeTlsStream::Tls(s) => Pin::new(s).poll_write(cx, buf),
-        }
-    }
-
-    fn poll_flush(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
-        match &mut *self {
-            MaybeTlsStream::Raw(s) => Pin::new(s).poll_flush(cx),
-            MaybeTlsStream::Tls(s) => Pin::new(s).poll_flush(cx),
-        }
-    }
-
-    fn poll_shutdown(mut self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<io::Result<()>> {
-        match &mut *self {
-            MaybeTlsStream::Raw(s) => Pin::new(s).poll_shutdown(cx),
-            MaybeTlsStream::Tls(s) => Pin::new(s).poll_shutdown(cx),
-        }
-    }
-}
-
-impl<S, T> TlsStream for MaybeTlsStream<S, T>
-where
-    S: AsyncRead + AsyncWrite + Unpin,
-    T: TlsStream + Unpin,
-{
-    fn channel_binding(&self) -> ChannelBinding {
-        match self {
-            MaybeTlsStream::Raw(_) => ChannelBinding::none(),
-            MaybeTlsStream::Tls(s) => s.channel_binding(),
-        }
-    }
-}

libs/proxy/tokio-postgres2/src/prepare.rs

@@ -1,295 +0,0 @@
-use crate::client::{CachedTypeInfo, InnerClient};
-use crate::codec::FrontendMessage;
-use crate::connection::RequestMessages;
-use crate::error::SqlState;
-use crate::types::{Field, Kind, Oid, Type};
-use crate::{query, slice_iter};
-use crate::{Column, Error, Statement};
-use bytes::Bytes;
-use fallible_iterator::FallibleIterator;
-use futures_util::{pin_mut, StreamExt, TryStreamExt};
-use log::debug;
-use postgres_protocol2::message::backend::Message;
-use postgres_protocol2::message::frontend;
-use std::future::Future;
-use std::pin::{pin, Pin};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-pub(crate) const TYPEINFO_QUERY: &str = "\
-SELECT t.typname, t.typtype, t.typelem, r.rngsubtype, t.typbasetype, n.nspname, t.typrelid
-FROM pg_catalog.pg_type t
-LEFT OUTER JOIN pg_catalog.pg_range r ON r.rngtypid = t.oid
-INNER JOIN pg_catalog.pg_namespace n ON t.typnamespace = n.oid
-WHERE t.oid = $1
-";
-
-// Range types weren't added until Postgres 9.2, so pg_range may not exist
-const TYPEINFO_FALLBACK_QUERY: &str = "\
-SELECT t.typname, t.typtype, t.typelem, NULL::OID, t.typbasetype, n.nspname, t.typrelid
-FROM pg_catalog.pg_type t
-INNER JOIN pg_catalog.pg_namespace n ON t.typnamespace = n.oid
-WHERE t.oid = $1
-";
-
-const TYPEINFO_ENUM_QUERY: &str = "\
-SELECT enumlabel
-FROM pg_catalog.pg_enum
-WHERE enumtypid = $1
-ORDER BY enumsortorder
-";
-
-// Postgres 9.0 didn't have enumsortorder
-const TYPEINFO_ENUM_FALLBACK_QUERY: &str = "\
-SELECT enumlabel
-FROM pg_catalog.pg_enum
-WHERE enumtypid = $1
-ORDER BY oid
-";
-
-pub(crate) const TYPEINFO_COMPOSITE_QUERY: &str = "\
-SELECT attname, atttypid
-FROM pg_catalog.pg_attribute
-WHERE attrelid = $1
-AND NOT attisdropped
-AND attnum > 0
-ORDER BY attnum
-";
-
-static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
-
-pub async fn prepare(
-    client: &mut InnerClient,
-    cache: &mut CachedTypeInfo,
-    query: &str,
-    types: &[Type],
-) -> Result<Statement, Error> {
-    let name = format!("s{}", NEXT_ID.fetch_add(1, Ordering::SeqCst));
-    let buf = encode(client, &name, query, types)?;
-    let mut responses = client.send(RequestMessages::Single(FrontendMessage::Raw(buf)))?;
-
-    match responses.next().await? {
-        Message::ParseComplete => {}
-        _ => return Err(Error::unexpected_message()),
-    }
-
-    let parameter_description = match responses.next().await? {
-        Message::ParameterDescription(body) => body,
-        _ => return Err(Error::unexpected_message()),
-    };
-
-    let row_description = match responses.next().await? {
-        Message::RowDescription(body) => Some(body),
-        Message::NoData => None,
-        _ => return Err(Error::unexpected_message()),
-    };
-
-    let mut parameters = vec![];
-    let mut it = parameter_description.parameters();
-    while let Some(oid) = it.next().map_err(Error::parse)? {
-        let type_ = get_type(client, cache, oid).await?;
-        parameters.push(type_);
-    }
-
-    let mut columns = vec![];
-    if let Some(row_description) = row_description {
-        let mut it = row_description.fields();
-        while let Some(field) = it.next().map_err(Error::parse)? {
-            let type_ = get_type(client, cache, field.type_oid()).await?;
-            let column = Column::new(field.name().to_string(), type_, field);
-            columns.push(column);
-        }
-    }
-
-    Ok(Statement::new(name, parameters, columns))
-}
-
-fn prepare_rec<'a>(
-    client: &'a mut InnerClient,
-    cache: &'a mut CachedTypeInfo,
-    query: &'a str,
-    types: &'a [Type],
-) -> Pin<Box<dyn Future<Output = Result<Statement, Error>> + 'a + Send>> {
-    Box::pin(prepare(client, cache, query, types))
-}
-
-fn encode(
-    client: &mut InnerClient,
-    name: &str,
-    query: &str,
-    types: &[Type],
-) -> Result<Bytes, Error> {
-    if types.is_empty() {
-        debug!("preparing query {}: {}", name, query);
-    } else {
-        debug!("preparing query {} with types {:?}: {}", name, types, query);
-    }
-
-    client.with_buf(|buf| {
-        frontend::parse(name, query, types.iter().map(Type::oid), buf).map_err(Error::encode)?;
-        frontend::describe(b'S', name, buf).map_err(Error::encode)?;
-        frontend::sync(buf);
-        Ok(buf.split().freeze())
-    })
-}
-
-pub async fn get_type(
-    client: &mut InnerClient,
-    cache: &mut CachedTypeInfo,
-    oid: Oid,
-) -> Result<Type, Error> {
-    if let Some(type_) = Type::from_oid(oid) {
-        return Ok(type_);
-    }
-
-    if let Some(type_) = cache.type_(oid) {
-        return Ok(type_);
-    }
-
-    let stmt = typeinfo_statement(client, cache).await?;
-
-    let rows = query::query(client, stmt, slice_iter(&[&oid])).await?;
-    pin_mut!(rows);
-
-    let row = match rows.try_next().await? {
-        Some(row) => row,
-        None => return Err(Error::unexpected_message()),
-    };
-
-    let name: String = row.try_get(stmt.columns(), 0)?;
-    let type_: i8 = row.try_get(stmt.columns(), 1)?;
-    let elem_oid: Oid = row.try_get(stmt.columns(), 2)?;
-    let rngsubtype: Option<Oid> = row.try_get(stmt.columns(), 3)?;
-    let basetype: Oid = row.try_get(stmt.columns(), 4)?;
-    let schema: String = row.try_get(stmt.columns(), 5)?;
-    let relid: Oid = row.try_get(stmt.columns(), 6)?;
-
-    let kind = if type_ == b'e' as i8 {
-        let variants = get_enum_variants(client, cache, oid).await?;
-        Kind::Enum(variants)
-    } else if type_ == b'p' as i8 {
-        Kind::Pseudo
-    } else if basetype != 0 {
-        let type_ = get_type_rec(client, cache, basetype).await?;
-        Kind::Domain(type_)
-    } else if elem_oid != 0 {
-        let type_ = get_type_rec(client, cache, elem_oid).await?;
-        Kind::Array(type_)
-    } else if relid != 0 {
-        let fields = get_composite_fields(client, cache, relid).await?;
-        Kind::Composite(fields)
-    } else if let Some(rngsubtype) = rngsubtype {
-        let type_ = get_type_rec(client, cache, rngsubtype).await?;
-        Kind::Range(type_)
-    } else {
-        Kind::Simple
-    };
-
-    let type_ = Type::new(name, oid, kind, schema);
-    cache.set_type(oid, &type_);
-
-    Ok(type_)
-}
-
-fn get_type_rec<'a>(
-    client: &'a mut InnerClient,
-    cache: &'a mut CachedTypeInfo,
-    oid: Oid,
-) -> Pin<Box<dyn Future<Output = Result<Type, Error>> + Send + 'a>> {
-    Box::pin(get_type(client, cache, oid))
-}
-
-async fn typeinfo_statement<'c>(
-    client: &mut InnerClient,
-    cache: &'c mut CachedTypeInfo,
-) -> Result<&'c Statement, Error> {
-    if cache.typeinfo().is_some() {
-        // needed to get around a borrow checker limitation
-        return Ok(cache.typeinfo().unwrap());
-    }
-
-    let stmt = match prepare_rec(client, cache, TYPEINFO_QUERY, &[]).await {
-        Ok(stmt) => stmt,
-        Err(ref e) if e.code() == Some(&SqlState::UNDEFINED_TABLE) => {
-            prepare_rec(client, cache, TYPEINFO_FALLBACK_QUERY, &[]).await?
-        }
-        Err(e) => return Err(e),
-    };
-
-    Ok(cache.set_typeinfo(stmt))
-}
-
-async fn get_enum_variants(
-    client: &mut InnerClient,
-    cache: &mut CachedTypeInfo,
-    oid: Oid,
-) -> Result<Vec<String>, Error> {
-    let stmt = typeinfo_enum_statement(client, cache).await?;
-
-    let mut out = vec![];
-
-    let mut rows = pin!(query::query(client, stmt, slice_iter(&[&oid])).await?);
-    while let Some(row) = rows.next().await {
-        out.push(row?.try_get(stmt.columns(), 0)?)
-    }
-    Ok(out)
-}
-
-async fn typeinfo_enum_statement<'c>(
-    client: &mut InnerClient,
-    cache: &'c mut CachedTypeInfo,
-) -> Result<&'c Statement, Error> {
-    if cache.typeinfo_enum().is_some() {
-        // needed to get around a borrow checker limitation
-        return Ok(cache.typeinfo_enum().unwrap());
-    }
-
-    let stmt = match prepare_rec(client, cache, TYPEINFO_ENUM_QUERY, &[]).await {
-        Ok(stmt) => stmt,
-        Err(ref e) if e.code() == Some(&SqlState::UNDEFINED_COLUMN) => {
-            prepare_rec(client, cache, TYPEINFO_ENUM_FALLBACK_QUERY, &[]).await?
-        }
-        Err(e) => return Err(e),
-    };
-
-    Ok(cache.set_typeinfo_enum(stmt))
-}
-
-async fn get_composite_fields(
-    client: &mut InnerClient,
-    cache: &mut CachedTypeInfo,
-    oid: Oid,
-) -> Result<Vec<Field>, Error> {
-    let stmt = typeinfo_composite_statement(client, cache).await?;
-
-    let mut rows = pin!(query::query(client, stmt, slice_iter(&[&oid])).await?);
-
-    let mut oids = vec![];
-    while let Some(row) = rows.next().await {
-        let row = row?;
-        let name = row.try_get(stmt.columns(), 0)?;
-        let oid = row.try_get(stmt.columns(), 1)?;
-        oids.push((name, oid));
-    }
-
-    let mut fields = vec![];
-    for (name, oid) in oids {
-        let type_ = get_type_rec(client, cache, oid).await?;
-        fields.push(Field::new(name, type_));
-    }
-
-    Ok(fields)
-}
-
-async fn typeinfo_composite_statement<'c>(
-    client: &mut InnerClient,
-    cache: &'c mut CachedTypeInfo,
-) -> Result<&'c Statement, Error> {
-    if cache.typeinfo_composite().is_some() {
-        // needed to get around a borrow checker limitation
-        return Ok(cache.typeinfo_composite().unwrap());
-    }
-
-    let stmt = prepare_rec(client, cache, TYPEINFO_COMPOSITE_QUERY, &[]).await?;
-
-    Ok(cache.set_typeinfo_composite(stmt))
-}

libs/proxy/tokio-postgres2/src/query.rs

@@ -1,333 +0,0 @@
-use crate::client::{InnerClient, Responses};
-use crate::codec::FrontendMessage;
-use crate::connection::RequestMessages;
-use crate::types::IsNull;
-use crate::{Column, Error, ReadyForQueryStatus, Row, Statement};
-use bytes::{BufMut, Bytes, BytesMut};
-use fallible_iterator::FallibleIterator;
-use futures_util::{ready, Stream};
-use log::{debug, log_enabled, Level};
-use pin_project_lite::pin_project;
-use postgres_protocol2::message::backend::Message;
-use postgres_protocol2::message::frontend;
-use postgres_types2::{Format, ToSql, Type};
-use std::fmt;
-use std::marker::PhantomPinned;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-
-struct BorrowToSqlParamsDebug<'a>(&'a [&'a (dyn ToSql + Sync)]);
-
-impl fmt::Debug for BorrowToSqlParamsDebug<'_> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_list().entries(self.0.iter()).finish()
-    }
-}
-
-pub async fn query<'a, I>(
-    client: &mut InnerClient,
-    statement: &Statement,
-    params: I,
-) -> Result<RawRowStream, Error>
-where
-    I: IntoIterator<Item = &'a (dyn ToSql + Sync)>,
-    I::IntoIter: ExactSizeIterator,
-{
-    let buf = if log_enabled!(Level::Debug) {
-        let params = params.into_iter().collect::<Vec<_>>();
-        debug!(
-            "executing statement {} with parameters: {:?}",
-            statement.name(),
-            BorrowToSqlParamsDebug(params.as_slice()),
-        );
-        encode(client, statement, params)?
-    } else {
-        encode(client, statement, params)?
-    };
-    let responses = start(client, buf).await?;
-    Ok(RawRowStream {
-        responses,
-        command_tag: None,
-        status: ReadyForQueryStatus::Unknown,
-        output_format: Format::Binary,
-        _p: PhantomPinned,
-    })
-}
-
-pub async fn query_txt<S, I>(
-    client: &mut InnerClient,
-    query: &str,
-    params: I,
-) -> Result<RowStream, Error>
-where
-    S: AsRef<str>,
-    I: IntoIterator<Item = Option<S>>,
-    I::IntoIter: ExactSizeIterator,
-{
-    let params = params.into_iter();
-
-    let buf = client.with_buf(|buf| {
-        frontend::parse(
-            "",                 // unnamed prepared statement
-            query,              // query to parse
-            std::iter::empty(), // give no type info
-            buf,
-        )
-        .map_err(Error::encode)?;
-        frontend::describe(b'S', "", buf).map_err(Error::encode)?;
-        // Bind, pass params as text, retrieve as binary
-        match frontend::bind(
-            "",                 // empty string selects the unnamed portal
-            "",                 // unnamed prepared statement
-            std::iter::empty(), // all parameters use the default format (text)
-            params,
-            |param, buf| match param {
-                Some(param) => {
-                    buf.put_slice(param.as_ref().as_bytes());
-                    Ok(postgres_protocol2::IsNull::No)
-                }
-                None => Ok(postgres_protocol2::IsNull::Yes),
-            },
-            Some(0), // all text
-            buf,
-        ) {
-            Ok(()) => Ok(()),
-            Err(frontend::BindError::Conversion(e)) => Err(Error::to_sql(e, 0)),
-            Err(frontend::BindError::Serialization(e)) => Err(Error::encode(e)),
-        }?;
-
-        // Execute
-        frontend::execute("", 0, buf).map_err(Error::encode)?;
-        // Sync
-        frontend::sync(buf);
-
-        Ok(buf.split().freeze())
-    })?;
-
-    // now read the responses
-    let mut responses = client.send(RequestMessages::Single(FrontendMessage::Raw(buf)))?;
-
-    match responses.next().await? {
-        Message::ParseComplete => {}
-        _ => return Err(Error::unexpected_message()),
-    }
-
-    let parameter_description = match responses.next().await? {
-        Message::ParameterDescription(body) => body,
-        _ => return Err(Error::unexpected_message()),
-    };
-
-    let row_description = match responses.next().await? {
-        Message::RowDescription(body) => Some(body),
-        Message::NoData => None,
-        _ => return Err(Error::unexpected_message()),
-    };
-
-    match responses.next().await? {
-        Message::BindComplete => {}
-        _ => return Err(Error::unexpected_message()),
-    }
-
-    let mut parameters = vec![];
-    let mut it = parameter_description.parameters();
-    while let Some(oid) = it.next().map_err(Error::parse)? {
-        let type_ = Type::from_oid(oid).unwrap_or(Type::UNKNOWN);
-        parameters.push(type_);
-    }
-
-    let mut columns = vec![];
-    if let Some(row_description) = row_description {
-        let mut it = row_description.fields();
-        while let Some(field) = it.next().map_err(Error::parse)? {
-            let type_ = Type::from_oid(field.type_oid()).unwrap_or(Type::UNKNOWN);
-            let column = Column::new(field.name().to_string(), type_, field);
-            columns.push(column);
-        }
-    }
-
-    Ok(RowStream {
-        statement: Statement::new_anonymous(parameters, columns),
-        responses,
-        command_tag: None,
-        status: ReadyForQueryStatus::Unknown,
-        output_format: Format::Text,
-        _p: PhantomPinned,
-    })
-}
-
-async fn start(client: &InnerClient, buf: Bytes) -> Result<Responses, Error> {
-    let mut responses = client.send(RequestMessages::Single(FrontendMessage::Raw(buf)))?;
-
-    match responses.next().await? {
-        Message::BindComplete => {}
-        _ => return Err(Error::unexpected_message()),
-    }
-
-    Ok(responses)
-}
-
-pub fn encode<'a, I>(
-    client: &mut InnerClient,
-    statement: &Statement,
-    params: I,
-) -> Result<Bytes, Error>
-where
-    I: IntoIterator<Item = &'a (dyn ToSql + Sync)>,
-    I::IntoIter: ExactSizeIterator,
-{
-    client.with_buf(|buf| {
-        encode_bind(statement, params, "", buf)?;
-        frontend::execute("", 0, buf).map_err(Error::encode)?;
-        frontend::sync(buf);
-        Ok(buf.split().freeze())
-    })
-}
-
-pub fn encode_bind<'a, I>(
-    statement: &Statement,
-    params: I,
-    portal: &str,
-    buf: &mut BytesMut,
-) -> Result<(), Error>
-where
-    I: IntoIterator<Item = &'a (dyn ToSql + Sync)>,
-    I::IntoIter: ExactSizeIterator,
-{
-    let param_types = statement.params();
-    let params = params.into_iter();
-
-    assert!(
-        param_types.len() == params.len(),
-        "expected {} parameters but got {}",
-        param_types.len(),
-        params.len()
-    );
-
-    let (param_formats, params): (Vec<_>, Vec<_>) = params
-        .zip(param_types.iter())
-        .map(|(p, ty)| (p.encode_format(ty) as i16, p))
-        .unzip();
-
-    let params = params.into_iter();
-
-    let mut error_idx = 0;
-    let r = frontend::bind(
-        portal,
-        statement.name(),
-        param_formats,
-        params.zip(param_types).enumerate(),
-        |(idx, (param, ty)), buf| match param.to_sql_checked(ty, buf) {
-            Ok(IsNull::No) => Ok(postgres_protocol2::IsNull::No),
-            Ok(IsNull::Yes) => Ok(postgres_protocol2::IsNull::Yes),
-            Err(e) => {
-                error_idx = idx;
-                Err(e)
-            }
-        },
-        Some(1),
-        buf,
-    );
-    match r {
-        Ok(()) => Ok(()),
-        Err(frontend::BindError::Conversion(e)) => Err(Error::to_sql(e, error_idx)),
-        Err(frontend::BindError::Serialization(e)) => Err(Error::encode(e)),
-    }
-}
-
-pin_project! {
-    /// A stream of table rows.
-    pub struct RowStream {
-        statement: Statement,
-        responses: Responses,
-        command_tag: Option<String>,
-        output_format: Format,
-        status: ReadyForQueryStatus,
-        #[pin]
-        _p: PhantomPinned,
-    }
-}
-
-impl Stream for RowStream {
-    type Item = Result<Row, Error>;
-
-    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
-        let this = self.project();
-        loop {
-            match ready!(this.responses.poll_next(cx)?) {
-                Message::DataRow(body) => {
-                    return Poll::Ready(Some(Ok(Row::new(body, *this.output_format)?)))
-                }
-                Message::EmptyQueryResponse | Message::PortalSuspended => {}
-                Message::CommandComplete(body) => {
-                    if let Ok(tag) = body.tag() {
-                        *this.command_tag = Some(tag.to_string());
-                    }
-                }
-                Message::ReadyForQuery(status) => {
-                    *this.status = status.into();
-                    return Poll::Ready(None);
-                }
-                _ => return Poll::Ready(Some(Err(Error::unexpected_message()))),
-            }
-        }
-    }
-}
-
-impl RowStream {
-    /// Returns information about the columns of data in the row.
-    pub fn columns(&self) -> &[Column] {
-        self.statement.columns()
-    }
-
-    /// Returns the command tag of this query.
-    ///
-    /// This is only available after the stream has been exhausted.
-    pub fn command_tag(&self) -> Option<String> {
-        self.command_tag.clone()
-    }
-
-    /// Returns if the connection is ready for querying, with the status of the connection.
-    ///
-    /// This might be available only after the stream has been exhausted.
-    pub fn ready_status(&self) -> ReadyForQueryStatus {
-        self.status
-    }
-}
-
-pin_project! {
-    /// A stream of table rows.
-    pub struct RawRowStream {
-        responses: Responses,
-        command_tag: Option<String>,
-        output_format: Format,
-        status: ReadyForQueryStatus,
-        #[pin]
-        _p: PhantomPinned,
-    }
-}
-
-impl Stream for RawRowStream {
-    type Item = Result<Row, Error>;
-
-    fn poll_next(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Option<Self::Item>> {
-        let this = self.project();
-        loop {
-            match ready!(this.responses.poll_next(cx)?) {
-                Message::DataRow(body) => {
-                    return Poll::Ready(Some(Ok(Row::new(body, *this.output_format)?)))
-                }
-                Message::EmptyQueryResponse | Message::PortalSuspended => {}
-                Message::CommandComplete(body) => {
-                    if let Ok(tag) = body.tag() {
-                        *this.command_tag = Some(tag.to_string());
-                    }
-                }
-                Message::ReadyForQuery(status) => {
-                    *this.status = status.into();
-                    return Poll::Ready(None);
-                }
-                _ => return Poll::Ready(Some(Err(Error::unexpected_message()))),
-            }
-        }
-    }
-}

libs/proxy/tokio-postgres2/src/row.rs

@@ -1,84 +0,0 @@
-//! Rows.
-use crate::statement::Column;
-use crate::types::{FromSql, Type, WrongType};
-use crate::Error;
-use fallible_iterator::FallibleIterator;
-use postgres_protocol2::message::backend::DataRowBody;
-use postgres_types2::{Format, WrongFormat};
-use std::fmt;
-use std::ops::Range;
-use std::str;
-
-/// A row of data returned from the database by a query.
-pub struct Row {
-    output_format: Format,
-    body: DataRowBody,
-    ranges: Vec<Option<Range<usize>>>,
-}
-
-impl fmt::Debug for Row {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.debug_struct("Row").finish()
-    }
-}
-
-impl Row {
-    pub(crate) fn new(
-        // statement: Statement,
-        body: DataRowBody,
-        output_format: Format,
-    ) -> Result<Row, Error> {
-        let ranges = body.ranges().collect().map_err(Error::parse)?;
-        Ok(Row {
-            body,
-            ranges,
-            output_format,
-        })
-    }
-
-    pub(crate) fn try_get<'a, T>(&'a self, columns: &[Column], idx: usize) -> Result<T, Error>
-    where
-        T: FromSql<'a>,
-    {
-        let Some(column) = columns.get(idx) else {
-            return Err(Error::column(idx.to_string()));
-        };
-
-        let ty = column.type_();
-        if !T::accepts(ty) {
-            return Err(Error::from_sql(
-                Box::new(WrongType::new::<T>(ty.clone())),
-                idx,
-            ));
-        }
-
-        FromSql::from_sql_nullable(ty, self.col_buffer(idx)).map_err(|e| Error::from_sql(e, idx))
-    }
-
-    /// Get the raw bytes for the column at the given index.
-    fn col_buffer(&self, idx: usize) -> Option<&[u8]> {
-        let range = self.ranges.get(idx)?.to_owned()?;
-        Some(&self.body.buffer()[range])
-    }
-
-    /// Interpret the column at the given index as text
-    ///
-    /// Useful when using query_raw_txt() which sets text transfer mode
-    pub fn as_text(&self, idx: usize) -> Result<Option<&str>, Error> {
-        if self.output_format == Format::Text {
-            match self.col_buffer(idx) {
-                Some(raw) => {
-                    FromSql::from_sql(&Type::TEXT, raw).map_err(|e| Error::from_sql(e, idx))
-                }
-                None => Ok(None),
-            }
-        } else {
-            Err(Error::from_sql(Box::new(WrongFormat {}), idx))
-        }
-    }
-
-    /// Row byte size
-    pub fn body_len(&self) -> usize {
-        self.body.buffer().len()
-    }
-}

libs/proxy/tokio-postgres2/src/simple_query.rs

@@ -1,36 +0,0 @@
-use crate::client::InnerClient;
-use crate::codec::FrontendMessage;
-use crate::connection::RequestMessages;
-use crate::{Error, ReadyForQueryStatus};
-use bytes::Bytes;
-use log::debug;
-use postgres_protocol2::message::backend::Message;
-use postgres_protocol2::message::frontend;
-
-pub async fn batch_execute(
-    client: &mut InnerClient,
-    query: &str,
-) -> Result<ReadyForQueryStatus, Error> {
-    debug!("executing statement batch: {}", query);
-
-    let buf = encode(client, query)?;
-    let mut responses = client.send(RequestMessages::Single(FrontendMessage::Raw(buf)))?;
-
-    loop {
-        match responses.next().await? {
-            Message::ReadyForQuery(status) => return Ok(status.into()),
-            Message::CommandComplete(_)
-            | Message::EmptyQueryResponse
-            | Message::RowDescription(_)
-            | Message::DataRow(_) => {}
-            _ => return Err(Error::unexpected_message()),
-        }
-    }
-}
-
-pub(crate) fn encode(client: &mut InnerClient, query: &str) -> Result<Bytes, Error> {
-    client.with_buf(|buf| {
-        frontend::query(query, buf).map_err(Error::encode)?;
-        Ok(buf.split().freeze())
-    })
-}

libs/proxy/tokio-postgres2/src/statement.rs

@@ -1,126 +0,0 @@
-use crate::types::Type;
-use postgres_protocol2::{message::backend::Field, Oid};
-use std::fmt;
-
-struct StatementInner {
-    name: String,
-    params: Vec<Type>,
-    columns: Vec<Column>,
-}
-
-/// A prepared statement.
-///
-/// Prepared statements can only be used with the connection that created them.
-pub struct Statement(StatementInner);
-
-impl Statement {
-    pub(crate) fn new(name: String, params: Vec<Type>, columns: Vec<Column>) -> Statement {
-        Statement(StatementInner {
-            name,
-            params,
-            columns,
-        })
-    }
-
-    pub(crate) fn new_anonymous(params: Vec<Type>, columns: Vec<Column>) -> Statement {
-        Statement(StatementInner {
-            name: String::new(),
-            params,
-            columns,
-        })
-    }
-
-    pub(crate) fn name(&self) -> &str {
-        &self.0.name
-    }
-
-    /// Returns the expected types of the statement's parameters.
-    pub fn params(&self) -> &[Type] {
-        &self.0.params
-    }
-
-    /// Returns information about the columns returned when the statement is queried.
-    pub fn columns(&self) -> &[Column] {
-        &self.0.columns
-    }
-}
-
-/// Information about a column of a query.
-pub struct Column {
-    name: String,
-    type_: Type,
-
-    // raw fields from RowDescription
-    table_oid: Oid,
-    column_id: i16,
-    format: i16,
-
-    // that better be stored in self.type_, but that is more radical refactoring
-    type_oid: Oid,
-    type_size: i16,
-    type_modifier: i32,
-}
-
-impl Column {
-    pub(crate) fn new(name: String, type_: Type, raw_field: Field<'_>) -> Column {
-        Column {
-            name,
-            type_,
-            table_oid: raw_field.table_oid(),
-            column_id: raw_field.column_id(),
-            format: raw_field.format(),
-            type_oid: raw_field.type_oid(),
-            type_size: raw_field.type_size(),
-            type_modifier: raw_field.type_modifier(),
-        }
-    }
-
-    /// Returns the name of the column.
-    pub fn name(&self) -> &str {
-        &self.name
-    }
-
-    /// Returns the type of the column.
-    pub fn type_(&self) -> &Type {
-        &self.type_
-    }
-
-    /// Returns the table OID of the column.
-    pub fn table_oid(&self) -> Oid {
-        self.table_oid
-    }
-
-    /// Returns the column ID of the column.
-    pub fn column_id(&self) -> i16 {
-        self.column_id
-    }
-
-    /// Returns the format of the column.
-    pub fn format(&self) -> i16 {
-        self.format
-    }
-
-    /// Returns the type OID of the column.
-    pub fn type_oid(&self) -> Oid {
-        self.type_oid
-    }
-
-    /// Returns the type size of the column.
-    pub fn type_size(&self) -> i16 {
-        self.type_size
-    }
-
-    /// Returns the type modifier of the column.
-    pub fn type_modifier(&self) -> i32 {
-        self.type_modifier
-    }
-}
-
-impl fmt::Debug for Column {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt.debug_struct("Column")
-            .field("name", &self.name)
-            .field("type", &self.type_)
-            .finish()
-    }
-}

libs/proxy/tokio-postgres2/src/tls.rs

@@ -1,162 +0,0 @@
-//! TLS support.
-
-use std::error::Error;
-use std::future::Future;
-use std::pin::Pin;
-use std::task::{Context, Poll};
-use std::{fmt, io};
-use tokio::io::{AsyncRead, AsyncWrite, ReadBuf};
-
-pub(crate) mod private {
-    pub struct ForcePrivateApi;
-}
-
-/// Channel binding information returned from a TLS handshake.
-pub struct ChannelBinding {
-    pub(crate) tls_server_end_point: Option<Vec<u8>>,
-}
-
-impl ChannelBinding {
-    /// Creates a `ChannelBinding` containing no information.
-    pub fn none() -> ChannelBinding {
-        ChannelBinding {
-            tls_server_end_point: None,
-        }
-    }
-
-    /// Creates a `ChannelBinding` containing `tls-server-end-point` channel binding information.
-    pub fn tls_server_end_point(tls_server_end_point: Vec<u8>) -> ChannelBinding {
-        ChannelBinding {
-            tls_server_end_point: Some(tls_server_end_point),
-        }
-    }
-}
-
-/// A constructor of `TlsConnect`ors.
-///
-/// Requires the `runtime` Cargo feature (enabled by default).
-pub trait MakeTlsConnect<S> {
-    /// The stream type created by the `TlsConnect` implementation.
-    type Stream: TlsStream + Unpin;
-    /// The `TlsConnect` implementation created by this type.
-    type TlsConnect: TlsConnect<S, Stream = Self::Stream>;
-    /// The error type returned by the `TlsConnect` implementation.
-    type Error: Into<Box<dyn Error + Sync + Send>>;
-
-    /// Creates a new `TlsConnect`or.
-    ///
-    /// The domain name is provided for certificate verification and SNI.
-    fn make_tls_connect(&mut self, domain: &str) -> Result<Self::TlsConnect, Self::Error>;
-}
-
-/// An asynchronous function wrapping a stream in a TLS session.
-pub trait TlsConnect<S> {
-    /// The stream returned by the future.
-    type Stream: TlsStream + Unpin;
-    /// The error returned by the future.
-    type Error: Into<Box<dyn Error + Sync + Send>>;
-    /// The future returned by the connector.
-    type Future: Future<Output = Result<Self::Stream, Self::Error>>;
-
-    /// Returns a future performing a TLS handshake over the stream.
-    fn connect(self, stream: S) -> Self::Future;
-
-    #[doc(hidden)]
-    fn can_connect(&self, _: private::ForcePrivateApi) -> bool {
-        true
-    }
-}
-
-/// A TLS-wrapped connection to a PostgreSQL database.
-pub trait TlsStream: AsyncRead + AsyncWrite {
-    /// Returns channel binding information for the session.
-    fn channel_binding(&self) -> ChannelBinding;
-}
-
-/// A `MakeTlsConnect` and `TlsConnect` implementation which simply returns an error.
-///
-/// This can be used when `sslmode` is `none` or `prefer`.
-#[derive(Debug, Copy, Clone)]
-pub struct NoTls;
-
-impl<S> MakeTlsConnect<S> for NoTls {
-    type Stream = NoTlsStream;
-    type TlsConnect = NoTls;
-    type Error = NoTlsError;
-
-    fn make_tls_connect(&mut self, _: &str) -> Result<NoTls, NoTlsError> {
-        Ok(NoTls)
-    }
-}
-
-impl<S> TlsConnect<S> for NoTls {
-    type Stream = NoTlsStream;
-    type Error = NoTlsError;
-    type Future = NoTlsFuture;
-
-    fn connect(self, _: S) -> NoTlsFuture {
-        NoTlsFuture(())
-    }
-
-    fn can_connect(&self, _: private::ForcePrivateApi) -> bool {
-        false
-    }
-}
-
-/// The future returned by `NoTls`.
-pub struct NoTlsFuture(());
-
-impl Future for NoTlsFuture {
-    type Output = Result<NoTlsStream, NoTlsError>;
-
-    fn poll(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Self::Output> {
-        Poll::Ready(Err(NoTlsError(())))
-    }
-}
-
-/// The TLS "stream" type produced by the `NoTls` connector.
-///
-/// Since `NoTls` doesn't support TLS, this type is uninhabited.
-pub enum NoTlsStream {}
-
-impl AsyncRead for NoTlsStream {
-    fn poll_read(
-        self: Pin<&mut Self>,
-        _: &mut Context<'_>,
-        _: &mut ReadBuf<'_>,
-    ) -> Poll<io::Result<()>> {
-        match *self {}
-    }
-}
-
-impl AsyncWrite for NoTlsStream {
-    fn poll_write(self: Pin<&mut Self>, _: &mut Context<'_>, _: &[u8]) -> Poll<io::Result<usize>> {
-        match *self {}
-    }
-
-    fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<io::Result<()>> {
-        match *self {}
-    }
-
-    fn poll_shutdown(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<io::Result<()>> {
-        match *self {}
-    }
-}
-
-impl TlsStream for NoTlsStream {
-    fn channel_binding(&self) -> ChannelBinding {
-        match *self {}
-    }
-}
-
-/// The error returned by `NoTls`.
-#[derive(Debug)]
-pub struct NoTlsError(());
-
-impl fmt::Display for NoTlsError {
-    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
-        fmt.write_str("no TLS implementation configured")
-    }
-}
-
-impl Error for NoTlsError {}

libs/proxy/tokio-postgres2/src/transaction.rs

@@ -1,63 +0,0 @@
-use crate::codec::FrontendMessage;
-use crate::connection::RequestMessages;
-use crate::{CancelToken, Client, Error, ReadyForQueryStatus};
-use postgres_protocol2::message::frontend;
-
-/// A representation of a PostgreSQL database transaction.
-///
-/// Transactions will implicitly roll back when dropped. Use the `commit` method to commit the changes made in the
-/// transaction. Transactions can be nested, with inner transactions implemented via safepoints.
-pub struct Transaction<'a> {
-    client: &'a mut Client,
-    done: bool,
-}
-
-impl Drop for Transaction<'_> {
-    fn drop(&mut self) {
-        if self.done {
-            return;
-        }
-
-        let buf = self.client.inner.with_buf(|buf| {
-            frontend::query("ROLLBACK", buf).unwrap();
-            buf.split().freeze()
-        });
-        let _ = self
-            .client
-            .inner
-            .send(RequestMessages::Single(FrontendMessage::Raw(buf)));
-    }
-}
-
-impl<'a> Transaction<'a> {
-    pub(crate) fn new(client: &'a mut Client) -> Transaction<'a> {
-        Transaction {
-            client,
-            done: false,
-        }
-    }
-
-    /// Consumes the transaction, committing all changes made within it.
-    pub async fn commit(mut self) -> Result<ReadyForQueryStatus, Error> {
-        self.done = true;
-        self.client.batch_execute("COMMIT").await
-    }
-
-    /// Rolls the transaction back, discarding all changes made within it.
-    ///
-    /// This is equivalent to `Transaction`'s `Drop` implementation, but provides any error encountered to the caller.
-    pub async fn rollback(mut self) -> Result<ReadyForQueryStatus, Error> {
-        self.done = true;
-        self.client.batch_execute("ROLLBACK").await
-    }
-
-    /// Like `Client::cancel_token`.
-    pub fn cancel_token(&self) -> CancelToken {
-        self.client.cancel_token()
-    }
-
-    /// Returns a reference to the underlying `Client`.
-    pub fn client(&mut self) -> &mut Client {
-        self.client
-    }
-}

libs/proxy/tokio-postgres2/src/transaction_builder.rs

@@ -1,113 +0,0 @@
-use crate::{Client, Error, Transaction};
-
-/// The isolation level of a database transaction.
-#[derive(Debug, Copy, Clone)]
-#[non_exhaustive]
-pub enum IsolationLevel {
-    /// Equivalent to `ReadCommitted`.
-    ReadUncommitted,
-
-    /// An individual statement in the transaction will see rows committed before it began.
-    ReadCommitted,
-
-    /// All statements in the transaction will see the same view of rows committed before the first query in the
-    /// transaction.
-    RepeatableRead,
-
-    /// The reads and writes in this transaction must be able to be committed as an atomic "unit" with respect to reads
-    /// and writes of all other concurrent serializable transactions without interleaving.
-    Serializable,
-}
-
-/// A builder for database transactions.
-pub struct TransactionBuilder<'a> {
-    client: &'a mut Client,
-    isolation_level: Option<IsolationLevel>,
-    read_only: Option<bool>,
-    deferrable: Option<bool>,
-}
-
-impl<'a> TransactionBuilder<'a> {
-    pub(crate) fn new(client: &'a mut Client) -> TransactionBuilder<'a> {
-        TransactionBuilder {
-            client,
-            isolation_level: None,
-            read_only: None,
-            deferrable: None,
-        }
-    }
-
-    /// Sets the isolation level of the transaction.
-    pub fn isolation_level(mut self, isolation_level: IsolationLevel) -> Self {
-        self.isolation_level = Some(isolation_level);
-        self
-    }
-
-    /// Sets the access mode of the transaction.
-    pub fn read_only(mut self, read_only: bool) -> Self {
-        self.read_only = Some(read_only);
-        self
-    }
-
-    /// Sets the deferrability of the transaction.
-    ///
-    /// If the transaction is also serializable and read only, creation of the transaction may block, but when it
-    /// completes the transaction is able to run with less overhead and a guarantee that it will not be aborted due to
-    /// serialization failure.
-    pub fn deferrable(mut self, deferrable: bool) -> Self {
-        self.deferrable = Some(deferrable);
-        self
-    }
-
-    /// Begins the transaction.
-    ///
-    /// The transaction will roll back by default - use the `commit` method to commit it.
-    pub async fn start(self) -> Result<Transaction<'a>, Error> {
-        let mut query = "START TRANSACTION".to_string();
-        let mut first = true;
-
-        if let Some(level) = self.isolation_level {
-            first = false;
-
-            query.push_str(" ISOLATION LEVEL ");
-            let level = match level {
-                IsolationLevel::ReadUncommitted => "READ UNCOMMITTED",
-                IsolationLevel::ReadCommitted => "READ COMMITTED",
-                IsolationLevel::RepeatableRead => "REPEATABLE READ",
-                IsolationLevel::Serializable => "SERIALIZABLE",
-            };
-            query.push_str(level);
-        }
-
-        if let Some(read_only) = self.read_only {
-            if !first {
-                query.push(',');
-            }
-            first = false;
-
-            let s = if read_only {
-                " READ ONLY"
-            } else {
-                " READ WRITE"
-            };
-            query.push_str(s);
-        }
-
-        if let Some(deferrable) = self.deferrable {
-            if !first {
-                query.push(',');
-            }
-
-            let s = if deferrable {
-                " DEFERRABLE"
-            } else {
-                " NOT DEFERRABLE"
-            };
-            query.push_str(s);
-        }
-
-        self.client.batch_execute(&query).await?;
-
-        Ok(Transaction::new(self.client))
-    }
-}