fix: mysql binary date type and multi-lang ci tests (#7291)

* fix: mysql binary date type

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* test: add unit test

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* fix: typo

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* ci: add multi lang integration tests ci

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* fix: path and branch

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* ci: prevent resuse runner

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* fix: ci

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

* ci: Multi-language Integration Tests trigged only when pushing to main

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

---------

Signed-off-by: Dennis Zhuang <killme2008@gmail.com>

.github/workflows/multi-lang-tests.yml

@@ -0,0 +1,172 @@
+name: Multi-language Integration Tests
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  build-greptimedb:
+    if: ${{ github.repository == 'GreptimeTeam/greptimedb' }}
+    name: Build GreptimeDB binary
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: arduino/setup-protoc@v3
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
+      - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "multi-lang-build"
+          cache-all-crates: "true"
+          save-if: ${{ github.ref == 'refs/heads/main' }}
+      - name: Install cargo-gc-bin
+        shell: bash
+        run: cargo install cargo-gc-bin --force
+      - name: Build greptime binary
+        shell: bash
+        run: cargo gc -- --bin greptime --features "pg_kvbackend,mysql_kvbackend"
+      - name: Pack greptime binary
+        shell: bash
+        run: |
+          mkdir bin && \
+          mv ./target/debug/greptime bin
+      - name: Print greptime binary info
+        run: ls -lh bin
+      - name: Upload greptime binary
+        uses: actions/upload-artifact@v4
+        with:
+          name: greptime-bin
+          path: bin/
+          retention-days: 1
+
+  run-multi-lang-tests:
+    name: Run Multi-language SDK Tests
+    needs: build-greptimedb
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout greptimedb-tests repository
+        uses: actions/checkout@v4
+        with:
+          repository: GreptimeTeam/greptimedb-tests
+          persist-credentials: false
+
+      - name: Download pre-built greptime binary
+        uses: actions/download-artifact@v4
+        with:
+          name: greptime-bin
+          path: bin
+
+      - name: Setup greptime binary
+        run: |
+          chmod +x ./bin/greptime
+          ls -lh ./bin/greptime
+          ./bin/greptime --version
+
+      - name: Setup Java 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+          cache: 'maven'
+
+      - name: Setup Python 3.8
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.8'
+
+      - name: Setup Go 1.24
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24'
+          cache: true
+          cache-dependency-path: go-tests/go.sum
+
+      - name: Install Python dependencies
+        run: |
+          pip install mysql-connector-python psycopg2-binary
+          python3 -c "import mysql.connector; print(f'mysql-connector-python {mysql.connector.__version__}')"
+          python3 -c "import psycopg2; print(f'psycopg2 {psycopg2.__version__}')"
+
+      - name: Install Go dependencies
+        working-directory: go-tests
+        run: |
+          go mod download
+          go mod verify
+          go version
+
+      - name: Kill existing GreptimeDB processes
+        run: |
+          pkill -f greptime || true
+          sleep 2
+
+      - name: Start GreptimeDB standalone
+        run: |
+          ./bin/greptime standalone start \
+            --http-addr 0.0.0.0:4000 \
+            --rpc-addr 0.0.0.0:4001 \
+            --mysql-addr 0.0.0.0:4002 \
+            --postgres-addr 0.0.0.0:4003 \
+            --user-provider=static_user_provider:cmd:greptime_user=greptime_pwd > /tmp/greptimedb.log 2>&1 &
+
+      - name: Wait for GreptimeDB to be ready
+        run: |
+          echo "Waiting for GreptimeDB..."
+          for i in {1..60}; do
+            if curl -sf http://localhost:4000/health > /dev/null; then
+              echo "✅ GreptimeDB is ready"
+              exit 0
+            fi
+            sleep 2
+          done
+          echo "❌ GreptimeDB failed to start"
+          cat /tmp/greptimedb.log
+          exit 1
+
+      - name: Run multi-language tests
+        env:
+          DB_NAME: test_db
+          MYSQL_HOST: localhost
+          MYSQL_PORT: 4002
+          POSTGRES_HOST: localhost
+          POSTGRES_PORT: 4003
+          HTTP_PORT: 4000
+          GREPTIME_USERNAME: greptime_user
+          GREPTIME_PASSWORD: greptime_pwd
+        run: |
+          chmod +x ./run_tests.sh
+          ./run_tests.sh
+
+      - name: Collect logs on failure
+        if: failure()
+        run: |
+          echo "=== GreptimeDB Logs ==="
+          cat /tmp/greptimedb.log || true
+
+      - name: Upload test logs on failure
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: test-logs
+          path: |
+            /tmp/greptimedb.log
+            java-tests/target/surefire-reports/
+            python-tests/.pytest_cache/
+            go-tests/*.log
+            **/test-output/
+          retention-days: 7
+
+      - name: Cleanup
+        if: always()
+        run: |
+          pkill -f greptime || true