Bump version: 0.24.1 → 0.24.2-beta.0

this test adds a new vector and then performs vector search with
distance range.
this may fail if the new vector becomes the closest one to the query
vector

Signed-off-by: BubbleCal <bubble-cal@outlook.com>

.bumpversion.toml

@@ -1,5 +1,5 @@
 [tool.bumpversion]
-current_version = "0.19.2-beta.0"
+current_version = "0.21.1"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.

.github/workflows/make-release-commit.yml

@@ -84,6 +84,7 @@ jobs:
         run: |
           pip install bump-my-version PyGithub packaging
           bash ci/bump_version.sh ${{ inputs.type }} ${{ inputs.bump-minor }} v $COMMIT_BEFORE_BUMP
+          bash ci/update_lockfiles.sh --amend
       - name: Push new version tag
         if: ${{ !inputs.dry_run }}
         uses: ad-m/github-push-action@master
@@ -92,11 +93,3 @@ jobs:
           github_token: ${{ secrets.LANCEDB_RELEASE_TOKEN }}
           branch: ${{ github.ref }}
           tags: true
-      - uses: ./.github/workflows/update_package_lock
-        if: ${{ !inputs.dry_run && inputs.other }}
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-      - uses: ./.github/workflows/update_package_lock_nodejs
-        if: ${{ !inputs.dry_run && inputs.other }}
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/nodejs.yml

@@ -116,7 +116,7 @@ jobs:
         set -e
         npm ci
         npm run docs
-        if ! git diff --exit-code; then
+        if ! git diff --exit-code -- . ':(exclude)Cargo.lock'; then
           echo "Docs need to be updated"
           echo "Run 'npm run docs', fix any warnings, and commit the changes."
           exit 1

.github/workflows/npm-publish.yml

@@ -505,6 +505,8 @@ jobs:
     name: vectordb NPM Publish
     needs: [node, node-macos, node-linux-gnu, node-windows]
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
     # Only runs on tags that matches the make-release action
     if: startsWith(github.ref, 'refs/tags/v')
     steps:
@@ -537,6 +539,20 @@ jobs:
         # We need to deprecate the old package to avoid confusion.
         # Each time we publish a new version, it gets undeprecated.
         run: npm deprecate vectordb "Use @lancedb/lancedb instead."
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          ref: main
+      - name: Update package-lock.json
+        run: |
+          git config user.name 'Lance Release'
+          git config user.email 'lance-dev@lancedb.com'
+          bash ci/update_lockfiles.sh
+      - name: Push new commit
+        uses: ad-m/github-push-action@master
+        with:
+          github_token: ${{ secrets.LANCEDB_RELEASE_TOKEN }}
+          branch: main
       - name: Notify Slack Action
         uses: ravsamhq/notify-slack-action@2.3.0
         if: ${{ always() }}
@@ -546,21 +562,3 @@ jobs:
           notification_title: "{workflow} is failing"
         env:
           SLACK_WEBHOOK_URL: ${{ secrets.ACTION_MONITORING_SLACK }}
-
-  update-package-lock:
-    if: startsWith(github.ref, 'refs/tags/v')
-    needs: [release]
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          ref: main
-          token: ${{ secrets.LANCEDB_RELEASE_TOKEN }}
-          fetch-depth: 0
-          lfs: true
-      - uses: ./.github/workflows/update_package_lock
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/update_package_lock/action.yml

@@ -1,33 +0,0 @@
-name: update_package_lock
-description: "Update node's package.lock"
-
-inputs:
-  github_token:
-    required: true
-    description: "github token for the repo"
-
-runs:
-  using: "composite"
-  steps:
-    - uses: actions/setup-node@v3
-      with:
-        node-version: 20
-    - name: Set git configs
-      shell: bash
-      run: |
-        git config user.name 'Lance Release'
-        git config user.email 'lance-dev@lancedb.com'
-    - name: Update package-lock.json file
-      working-directory: ./node
-      run: |
-        npm install
-        git add package-lock.json
-        git commit -m "Updating package-lock.json"
-      shell: bash
-    - name: Push changes
-      if: ${{ inputs.dry_run }} == "false"
-      uses: ad-m/github-push-action@master
-      with:
-        github_token: ${{ inputs.github_token }}
-        branch: main
-        tags: true

.github/workflows/update_package_lock_nodejs/action.yml

@@ -1,33 +0,0 @@
-name: update_package_lock_nodejs
-description: "Update nodejs's package.lock"
-
-inputs:
-  github_token:
-    required: true
-    description: "github token for the repo"
-
-runs:
-  using: "composite"
-  steps:
-    - uses: actions/setup-node@v3
-      with:
-        node-version: 20
-    - name: Set git configs
-      shell: bash
-      run: |
-        git config user.name 'Lance Release'
-        git config user.email 'lance-dev@lancedb.com'
-    - name: Update package-lock.json file
-      working-directory: ./nodejs
-      run: |
-        npm install
-        git add package-lock.json
-        git commit -m "Updating package-lock.json"
-      shell: bash
-    - name: Push changes
-      if: ${{ inputs.dry_run }} == "false"
-      uses: ad-m/github-push-action@master
-      with:
-        github_token: ${{ inputs.github_token }}
-        branch: main
-        tags: true

Cargo.toml

@@ -21,49 +21,51 @@ categories = ["database-implementations"]
 rust-version = "1.78.0"
 
 [workspace.dependencies]
-lance = { "version" = "=0.29.0", "features" = ["dynamodb"], tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
-lance-io = { version = "=0.29.0", tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
-lance-index = { version = "=0.29.0", tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
-lance-linalg = { version = "=0.29.0", tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
-lance-table = { version = "=0.29.0", tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
-lance-testing = { version = "=0.29.0", tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
-lance-datafusion = { version = "=0.29.0", tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
-lance-encoding = { version = "=0.29.0", tag = "v0.29.0-beta.1", git="https://github.com/lancedb/lance.git" }
+lance = { "version" = "=0.31.2", "features" = [
+    "dynamodb",
+], "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
+lance-io = { "version" = "=0.31.2", "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
+lance-index = { "version" = "=0.31.2", "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
+lance-linalg = { "version" = "=0.31.2", "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
+lance-table = { "version" = "=0.31.2", "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
+lance-testing = { "version" = "=0.31.2", "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
+lance-datafusion = { "version" = "=0.31.2", "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
+lance-encoding = { "version" = "=0.31.2", "tag" = "v0.31.2-beta.3", "git" = "https://github.com/lancedb/lance.git" }
 # Note that this one does not include pyarrow
-arrow = { version = "54.1", optional = false }
-arrow-array = "54.1"
-arrow-data = "54.1"
-arrow-ipc = "54.1"
-arrow-ord = "54.1"
-arrow-schema = "54.1"
-arrow-arith = "54.1"
-arrow-cast = "54.1"
+arrow = { version = "55.1", optional = false }
+arrow-array = "55.1"
+arrow-data = "55.1"
+arrow-ipc = "55.1"
+arrow-ord = "55.1"
+arrow-schema = "55.1"
+arrow-arith = "55.1"
+arrow-cast = "55.1"
 async-trait = "0"
-datafusion = { version = "46.0", default-features = false }
-datafusion-catalog = "46.0"
-datafusion-common = { version = "46.0", default-features = false }
-datafusion-execution = "46.0"
-datafusion-expr = "46.0"
-datafusion-physical-plan = "46.0"
+datafusion = { version = "48.0", default-features = false }
+datafusion-catalog = "48.0"
+datafusion-common = { version = "48.0", default-features = false }
+datafusion-execution = "48.0"
+datafusion-expr = "48.0"
+datafusion-physical-plan = "48.0"
 env_logger = "0.11"
-half = { "version" = "=2.4.1", default-features = false, features = [
+half = { "version" = "2.6.0", default-features = false, features = [
     "num-traits",
 ] }
 futures = "0"
 log = "0.4"
 moka = { version = "0.12", features = ["future"] }
-object_store = "0.11.0"
+object_store = "0.12.0"
 pin-project = "1.0.7"
 snafu = "0.8"
 url = "2"
 num-traits = "0.2"
-rand = "0.8"
+rand = "0.9"
 regex = "1.10"
 lazy_static = "1"
 semver = "1.0.25"
 # Temporary pins to work around downstream issues
 # https://github.com/apache/arrow-rs/commit/2fddf85afcd20110ce783ed5b4cdeb82293da30b
-chrono = "=0.4.39"
+chrono = "=0.4.41"
 # https://github.com/RustCrypto/formats/issues/1684
 base64ct = "=1.6.0"
 # Workaround for: https://github.com/eira-fransham/crunchy/issues/13

ci/set_lance_version.py

@@ -0,0 +1,188 @@
+import argparse
+import sys
+import json
+
+
+def run_command(command: str) -> str:
+    """
+    Run a shell command and return stdout as a string.
+    If exit code is not 0, raise an exception with the stderr output.
+    """
+    import subprocess
+
+    result = subprocess.run(command, shell=True, capture_output=True, text=True)
+    if result.returncode != 0:
+        raise Exception(f"Command failed with error: {result.stderr.strip()}")
+    return result.stdout.strip()
+
+
+def get_latest_stable_version() -> str:
+    version_line = run_command("cargo info lance | grep '^version:'")
+    version = version_line.split(" ")[1].strip()
+    return version
+
+
+def get_latest_preview_version() -> str:
+    lance_tags = run_command(
+        "git ls-remote --tags https://github.com/lancedb/lance.git | grep 'refs/tags/v[0-9beta.-]\\+$'"
+    ).splitlines()
+    lance_tags = (
+        tag.split("refs/tags/")[1]
+        for tag in lance_tags
+        if "refs/tags/" in tag and "beta" in tag
+    )
+    from packaging.version import Version
+
+    latest = max(
+        (tag[1:] for tag in lance_tags if tag.startswith("v")), key=lambda t: Version(t)
+    )
+    return str(latest)
+
+
+def extract_features(line: str) -> list:
+    """
+    Extracts the features from a line in Cargo.toml.
+    Example: 'lance = { "version" = "=0.29.0", "features" = ["dynamodb"] }'
+    Returns: ['dynamodb']
+    """
+    import re
+
+    match = re.search(r'"features"\s*=\s*\[\s*(.*?)\s*\]', line, re.DOTALL)
+    if match:
+        features_str = match.group(1)
+        return [f.strip('"') for f in features_str.split(",") if len(f) > 0]
+    return []
+
+
+def update_cargo_toml(line_updater):
+    """
+    Updates the Cargo.toml file by applying the line_updater function to each line.
+    The line_updater function should take a line as input and return the updated line.
+    """
+    with open("Cargo.toml", "r") as f:
+        lines = f.readlines()
+
+    new_lines = []
+    lance_line = ""
+    is_parsing_lance_line = False
+    for line in lines:
+        if line.startswith("lance"):
+            # Update the line using the provided function
+            if line.strip().endswith("}"):
+                new_lines.append(line_updater(line))
+            else:
+                lance_line = line
+                is_parsing_lance_line = True
+        elif is_parsing_lance_line:
+            lance_line += line
+            if line.strip().endswith("}"):
+                new_lines.append(line_updater(lance_line))
+                lance_line = ""
+                is_parsing_lance_line = False
+            else:
+                print("doesn't end with }:", line)
+        else:
+            # Keep the line unchanged
+            new_lines.append(line)
+
+    with open("Cargo.toml", "w") as f:
+        f.writelines(new_lines)
+
+
+def set_stable_version(version: str):
+    """
+    Sets lines to
+    lance = { "version" = "=0.29.0", "features" = ["dynamodb"] }
+    lance-io = "=0.29.0"
+    ...
+    """
+
+    def line_updater(line: str) -> str:
+        package_name = line.split("=", maxsplit=1)[0].strip()
+        features = extract_features(line)
+        if features:
+            return f'{package_name} = {{ "version" = "={version}", "features" = {json.dumps(features)} }}\n'
+        else:
+            return f'{package_name} = "={version}"\n'
+
+    update_cargo_toml(line_updater)
+
+
+def set_preview_version(version: str):
+    """
+    Sets lines to
+    lance = { "version" = "=0.29.0", "features" = ["dynamodb"], tag = "v0.29.0-beta.2", git="https://github.com/lancedb/lance.git" }
+    lance-io = { version = "=0.29.0", tag = "v0.29.0-beta.2", git="https://github.com/lancedb/lance.git" }
+    ...
+    """
+
+    def line_updater(line: str) -> str:
+        package_name = line.split("=", maxsplit=1)[0].strip()
+        features = extract_features(line)
+        base_version = version.split("-")[0]  # Get the base version without beta suffix
+        if features:
+            return f'{package_name} = {{ "version" = "={base_version}", "features" = {json.dumps(features)}, "tag" = "v{version}", "git" = "https://github.com/lancedb/lance.git" }}\n'
+        else:
+            return f'{package_name} = {{ "version" = "={base_version}", "tag" = "v{version}", "git" = "https://github.com/lancedb/lance.git" }}\n'
+
+    update_cargo_toml(line_updater)
+
+
+def set_local_version():
+    """
+    Sets lines to
+    lance = { path = "../lance/rust/lance", features = ["dynamodb"] }
+    lance-io = { path = "../lance/rust/lance-io" }
+    ...
+    """
+
+    def line_updater(line: str) -> str:
+        package_name = line.split("=", maxsplit=1)[0].strip()
+        features = extract_features(line)
+        if features:
+            return f'{package_name} = {{ "path" = "../lance/rust/{package_name}", "features" = {json.dumps(features)} }}\n'
+        else:
+            return f'{package_name} = {{ "path" = "../lance/rust/{package_name}" }}\n'
+
+    update_cargo_toml(line_updater)
+
+
+parser = argparse.ArgumentParser(description="Set the version of the Lance package.")
+parser.add_argument(
+    "version",
+    type=str,
+    help="The version to set for the Lance package. Use 'stable' for the latest stable version, 'preview' for latest preview version, or a specific version number (e.g., '0.1.0'). You can also specify 'local' to use a local path.",
+)
+args = parser.parse_args()
+
+if args.version == "stable":
+    latest_stable_version = get_latest_stable_version()
+    print(
+        f"Found latest stable version: \033[1mv{latest_stable_version}\033[0m",
+        file=sys.stderr,
+    )
+    set_stable_version(latest_stable_version)
+elif args.version == "preview":
+    latest_preview_version = get_latest_preview_version()
+    print(
+        f"Found latest preview version: \033[1mv{latest_preview_version}\033[0m",
+        file=sys.stderr,
+    )
+    set_preview_version(latest_preview_version)
+elif args.version == "local":
+    set_local_version()
+else:
+    # Parse the version number.
+    version = args.version
+    # Ignore initial v if present.
+    if version.startswith("v"):
+        version = version[1:]
+
+    if "beta" in version:
+        set_preview_version(version)
+    else:
+        set_stable_version(version)
+
+print("Updating lockfiles...", file=sys.stderr, end="")
+run_command("cargo metadata > /dev/null")
+print(" done.", file=sys.stderr)

ci/update_lockfiles.sh

@@ -0,0 +1,30 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+AMEND=false
+
+for arg in "$@"; do
+  if [[ "$arg" == "--amend" ]]; then
+    AMEND=true
+  fi
+done
+
+# This updates the lockfile without building
+cargo metadata --quiet > /dev/null
+
+pushd nodejs || exit 1
+npm install --package-lock-only --silent
+popd
+pushd node || exit 1
+npm install --package-lock-only --silent
+popd
+
+if git diff --quiet --exit-code; then
+  echo "No lockfile changes to commit; skipping amend."
+elif $AMEND; then
+  git add Cargo.lock nodejs/package-lock.json node/package-lock.json
+  git commit --amend --no-edit
+else
+  git add Cargo.lock nodejs/package-lock.json node/package-lock.json
+  git commit -m "Update lockfiles"
+fi

docs/overrides/partials/main.html

@@ -0,0 +1,5 @@
+{% extends "base.html" %}
+
+{% block announce %}
+  📚 Starting June 1st, 2025, please use <a href="https://lancedb.github.io/documentation" target="_blank" rel="noopener noreferrer">lancedb.github.io/documentation</a> for the latest docs.
+{% endblock %}

docs/src/guides/sql_querying.md

@@ -42,6 +42,7 @@ duckdb.query("SELECT * FROM arrow_table")
 Have the required imports before doing any querying.
 
 === "Python"
+
     ```python
     --8<-- "python/python/tests/docs/test_guide_tables.py:import-lancedb"
     --8<-- "python/python/tests/docs/test_guide_tables.py:import-session-context"
@@ -51,6 +52,7 @@ Have the required imports before doing any querying.
 Register the table created with the Datafusion session context.
 
 === "Python"
+
     ```python
     --8<-- "python/python/tests/docs/test_guide_tables.py:lance_sql_basic"
     ```

docs/src/js/classes/BooleanQuery.md

@@ -0,0 +1,53 @@
+[**@lancedb/lancedb**](../README.md) • **Docs**
+
+***
+
+[@lancedb/lancedb](../globals.md) / BooleanQuery
+
+# Class: BooleanQuery
+
+Represents a full-text query interface.
+This interface defines the structure and behavior for full-text queries,
+including methods to retrieve the query type and convert the query to a dictionary format.
+
+## Implements
+
+- [`FullTextQuery`](../interfaces/FullTextQuery.md)
+
+## Constructors
+
+### new BooleanQuery()
+
+```ts
+new BooleanQuery(queries): BooleanQuery
+```
+
+Creates an instance of BooleanQuery.
+
+#### Parameters
+
+* **queries**: [[`Occur`](../enumerations/Occur.md), [`FullTextQuery`](../interfaces/FullTextQuery.md)][]
+    An array of (Occur, FullTextQuery objects) to combine.
+    Occur specifies whether the query must match, or should match.
+
+#### Returns
+
+[`BooleanQuery`](BooleanQuery.md)
+
+## Methods
+
+### queryType()
+
+```ts
+queryType(): FullTextQueryType
+```
+
+The type of the full-text query.
+
+#### Returns
+
+[`FullTextQueryType`](../enumerations/FullTextQueryType.md)
+
+#### Implementation of
+
+[`FullTextQuery`](../interfaces/FullTextQuery.md).[`queryType`](../interfaces/FullTextQuery.md#querytype)

docs/src/js/classes/MatchQuery.md

@@ -40,6 +40,7 @@ Creates an instance of MatchQuery.
     - `boost`: The boost factor for the query (default is 1.0).
     - `fuzziness`: The fuzziness level for the query (default is 0).
     - `maxExpansions`: The maximum number of terms to consider for fuzzy matching (default is 50).
+    - `operator`: The logical operator to use for combining terms in the query (default is "OR").
 
 * **options.boost?**: `number`
 
@@ -47,6 +48,8 @@ Creates an instance of MatchQuery.
 
 * **options.maxExpansions?**: `number`
 
+* **options.operator?**: [`Operator`](../enumerations/Operator.md)
+
 #### Returns
 
 [`MatchQuery`](MatchQuery.md)

docs/src/js/classes/MultiMatchQuery.md

@@ -38,9 +38,12 @@ Creates an instance of MultiMatchQuery.
 * **options?**
     Optional parameters for the multi-match query.
     - `boosts`: An array of boost factors for each column (default is 1.0 for all).
+    - `operator`: The logical operator to use for combining terms in the query (default is "OR").
 
 * **options.boosts?**: `number`[]
 
+* **options.operator?**: [`Operator`](../enumerations/Operator.md)
+
 #### Returns
 
 [`MultiMatchQuery`](MultiMatchQuery.md)

docs/src/js/classes/PhraseQuery.md

@@ -19,7 +19,10 @@ including methods to retrieve the query type and convert the query to a dictiona
 ### new PhraseQuery()
 
 ```ts
-new PhraseQuery(query, column): PhraseQuery
+new PhraseQuery(
+   query,
+   column,
+   options?): PhraseQuery
 ```
 
 Creates an instance of `PhraseQuery`.
@@ -32,6 +35,12 @@ Creates an instance of `PhraseQuery`.
 * **column**: `string`
     The name of the column to search within.
 
+* **options?**
+    Optional parameters for the phrase query.
+    - `slop`: The maximum number of intervening unmatched positions allowed between words in the phrase (default is 0).
+
+* **options.slop?**: `number`
+
 #### Returns
 
 [`PhraseQuery`](PhraseQuery.md)

docs/src/js/enumerations/FullTextQueryType.md

@@ -15,6 +15,14 @@ Enum representing the types of full-text queries supported.
 
 ## Enumeration Members
 
+### Boolean
+
+```ts
+Boolean: "boolean";
+```
+
+***
+
 ### Boost
 
 ```ts

docs/src/js/enumerations/Occur.md

@@ -0,0 +1,28 @@
+[**@lancedb/lancedb**](../README.md) • **Docs**
+
+***
+
+[@lancedb/lancedb](../globals.md) / Occur
+
+# Enumeration: Occur
+
+Enum representing the occurrence of terms in full-text queries.
+
+- `Must`: The term must be present in the document.
+- `Should`: The term should contribute to the document score, but is not required.
+
+## Enumeration Members
+
+### Must
+
+```ts
+Must: "MUST";
+```
+
+***
+
+### Should
+
+```ts
+Should: "SHOULD";
+```

docs/src/js/enumerations/Operator.md

@@ -0,0 +1,28 @@
+[**@lancedb/lancedb**](../README.md) • **Docs**
+
+***
+
+[@lancedb/lancedb](../globals.md) / Operator
+
+# Enumeration: Operator
+
+Enum representing the logical operators used in full-text queries.
+
+- `And`: All terms must match.
+- `Or`: At least one term must match.
+
+## Enumeration Members
+
+### And
+
+```ts
+And: "AND";
+```
+
+***
+
+### Or
+
+```ts
+Or: "OR";
+```

docs/src/js/globals.md

@@ -12,9 +12,12 @@
 ## Enumerations
 
 - [FullTextQueryType](enumerations/FullTextQueryType.md)
+- [Occur](enumerations/Occur.md)
+- [Operator](enumerations/Operator.md)
 
 ## Classes
 
+- [BooleanQuery](classes/BooleanQuery.md)
 - [BoostQuery](classes/BoostQuery.md)
 - [Connection](classes/Connection.md)
 - [Index](classes/Index.md)

docs/src/notebooks/Multivector_on_LanceDB.ipynb

@@ -428,7 +428,7 @@
         "\n",
         "**Why?**  \n",
         "Embedding the UFO dataset and ingesting it into LanceDB takes **~2 hours on a T4 GPU**. To save time:  \n",
-        "- **Use the pre-prepared table with index created ** (provided below) to proceed directly to step7: search.  \n",
+        "- **Use the pre-prepared table with index created** (provided below) to proceed directly to **Step 7**: search.  \n",
         "- **Step 5a** contains the full ingestion code for reference (run it only if necessary).  \n",
         "- **Step 6** contains the details on creating the index on the multivector column"
       ]

docs/test/requirements.txt

@@ -7,3 +7,4 @@ tantivy==0.20.1
 --extra-index-url https://download.pytorch.org/whl/cpu
 torch
 polars>=0.19, <=1.3.0
+datafusion

java/core/pom.xml

@@ -8,7 +8,7 @@
     <parent>
         <groupId>com.lancedb</groupId>
         <artifactId>lancedb-parent</artifactId>
-        <version>0.19.2-beta.0</version>
+        <version>0.21.1-final.0</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 

java/pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.lancedb</groupId>
     <artifactId>lancedb-parent</artifactId>
-    <version>0.19.2-beta.0</version>
+    <version>0.21.1-final.0</version>
     <packaging>pom</packaging>
 
     <name>LanceDB Parent</name>

node/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "vectordb",
-  "version": "0.19.2-beta.0",
+  "version": "0.21.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "vectordb",
-      "version": "0.19.2-beta.0",
+      "version": "0.21.1",
       "cpu": [
         "x64",
         "arm64"
@@ -52,11 +52,11 @@
         "uuid": "^9.0.0"
       },
       "optionalDependencies": {
-        "@lancedb/vectordb-darwin-arm64": "0.19.2-beta.0",
-        "@lancedb/vectordb-darwin-x64": "0.19.2-beta.0",
-        "@lancedb/vectordb-linux-arm64-gnu": "0.19.2-beta.0",
-        "@lancedb/vectordb-linux-x64-gnu": "0.19.2-beta.0",
-        "@lancedb/vectordb-win32-x64-msvc": "0.19.2-beta.0"
+        "@lancedb/vectordb-darwin-arm64": "0.21.1",
+        "@lancedb/vectordb-darwin-x64": "0.21.1",
+        "@lancedb/vectordb-linux-arm64-gnu": "0.21.1",
+        "@lancedb/vectordb-linux-x64-gnu": "0.21.1",
+        "@lancedb/vectordb-win32-x64-msvc": "0.21.1"
       },
       "peerDependencies": {
         "@apache-arrow/ts": "^14.0.2",
@@ -327,9 +327,9 @@
       }
     },
     "node_modules/@lancedb/vectordb-darwin-arm64": {
-      "version": "0.19.2-beta.0",
-      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-darwin-arm64/-/vectordb-darwin-arm64-0.19.2-beta.0.tgz",
-      "integrity": "sha512-d4UDhGOs+WLrBGBibtM7QC2jEFIvcpU58a6d+n8NA6yaBUDBDNjNQQcg2qGkDe433mysAoy7ilc+1+ftx4BtAA==",
+      "version": "0.21.1",
+      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-darwin-arm64/-/vectordb-darwin-arm64-0.21.1.tgz",
+      "integrity": "sha512-eXeOKgK5s7MSKDzA7Hl4/9E2X8tWWMNV7UJiFdwxrUcop86tM5ePBi8tApRnaQ3wBXrs99XTVBJ7+j+2gzilVA==",
       "cpu": [
         "arm64"
       ],
@@ -340,9 +340,9 @@
       ]
     },
     "node_modules/@lancedb/vectordb-darwin-x64": {
-      "version": "0.19.2-beta.0",
-      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-darwin-x64/-/vectordb-darwin-x64-0.19.2-beta.0.tgz",
-      "integrity": "sha512-m8rlY2mEPnCCD6A944/ustc6t05s4RXBSWvXfIMNCO3w7wS4SgMjnDC/C3ogJujTkwE6aCAWvSuggAxca0Bveg==",
+      "version": "0.21.1",
+      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-darwin-x64/-/vectordb-darwin-x64-0.21.1.tgz",
+      "integrity": "sha512-vLoPWfg7OPw5vazLH5/YD/yQkZiTiPniuQgsH+xTodRfLf926lny53G7LQ6nFXNKIzX/jYKtg7AfMU8IcDLSEQ==",
       "cpu": [
         "x64"
       ],
@@ -353,9 +353,9 @@
       ]
     },
     "node_modules/@lancedb/vectordb-linux-arm64-gnu": {
-      "version": "0.19.2-beta.0",
-      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-linux-arm64-gnu/-/vectordb-linux-arm64-gnu-0.19.2-beta.0.tgz",
-      "integrity": "sha512-NFV0vB8IKULzadVah5W1EG8zLb+OAoe+vOd45cwfY7JrbhRQc3bWp6vCJtEBtasCw4nYX6N72eAnTfiubhNwzA==",
+      "version": "0.21.1",
+      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-linux-arm64-gnu/-/vectordb-linux-arm64-gnu-0.21.1.tgz",
+      "integrity": "sha512-IMAxtXj5aHCv9peziN77IxQpkYFj83KvI8zQCHzbMMXv7BspkhAd0PaUViqHqtTf2TUHjYQ66a7clZrEn+xQuQ==",
       "cpu": [
         "arm64"
       ],
@@ -366,9 +366,9 @@
       ]
     },
     "node_modules/@lancedb/vectordb-linux-x64-gnu": {
-      "version": "0.19.2-beta.0",
-      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-linux-x64-gnu/-/vectordb-linux-x64-gnu-0.19.2-beta.0.tgz",
-      "integrity": "sha512-+t8CMurluZ9n5APKpqEA28GoMFXrIjSzzSxmkqRFmLSNvxzGWXph9QKAHUlgXoeglElIxpIfkucpIMvg7f85DA==",
+      "version": "0.21.1",
+      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-linux-x64-gnu/-/vectordb-linux-x64-gnu-0.21.1.tgz",
+      "integrity": "sha512-9oPOxBsYGngIhtC/oC+fQ9V0w9mgFuj2Wyler8f5UYQdiAutsTNyOUA+XjtcROjVZrZ5oUeIrvOQSte9BbpRTg==",
       "cpu": [
         "x64"
       ],
@@ -379,9 +379,9 @@
       ]
     },
     "node_modules/@lancedb/vectordb-win32-x64-msvc": {
-      "version": "0.19.2-beta.0",
-      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-win32-x64-msvc/-/vectordb-win32-x64-msvc-0.19.2-beta.0.tgz",
-      "integrity": "sha512-TnBiFCHLrF3f7HPdGhCUnkqq2m1zUsWWNKH/ASfaTuu0ftqVVGahVLe/uSAXpx5y2W5Qd9WUpzecD7JIugg+kw==",
+      "version": "0.21.1",
+      "resolved": "https://registry.npmjs.org/@lancedb/vectordb-win32-x64-msvc/-/vectordb-win32-x64-msvc-0.21.1.tgz",
+      "integrity": "sha512-XqDXFLfdjNpDZ5jaqLerdx+sDU4YLuPK3VF4TowwcOlWDrUtI/L1lAyCaKxcyz1qE3VGuZvhNU89N5ioEICb4Q==",
       "cpu": [
         "x64"
       ],

node/package.json

@@ -1,6 +1,6 @@
 {
   "name": "vectordb",
-  "version": "0.19.2-beta.0",
+  "version": "0.21.1",
   "description": " Serverless, low-latency vector database for AI applications",
   "private": false,
   "main": "dist/index.js",
@@ -89,10 +89,10 @@
     }
   },
   "optionalDependencies": {
-    "@lancedb/vectordb-darwin-x64": "0.19.2-beta.0",
-    "@lancedb/vectordb-darwin-arm64": "0.19.2-beta.0",
-    "@lancedb/vectordb-linux-x64-gnu": "0.19.2-beta.0",
-    "@lancedb/vectordb-linux-arm64-gnu": "0.19.2-beta.0",
-    "@lancedb/vectordb-win32-x64-msvc": "0.19.2-beta.0"
+    "@lancedb/vectordb-darwin-x64": "0.21.1",
+    "@lancedb/vectordb-darwin-arm64": "0.21.1",
+    "@lancedb/vectordb-linux-x64-gnu": "0.21.1",
+    "@lancedb/vectordb-linux-arm64-gnu": "0.21.1",
+    "@lancedb/vectordb-win32-x64-msvc": "0.21.1"
   }
 }

nodejs/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "lancedb-nodejs"
 edition.workspace = true
-version = "0.19.2-beta.0"
+version = "0.21.1"
 license.workspace = true
 description.workspace = true
 repository.workspace = true

nodejs/__test__/arrow.test.ts

@@ -592,14 +592,14 @@ describe.each([arrow15, arrow16, arrow17, arrow18])(
         ).rejects.toThrow("column vector was missing");
       });
 
-      it("will provide a nice error if run twice", async function () {
+      it("will skip embedding application if already applied", async function () {
         const records = sampleRecords();
         const table = await convertToTable(records, dummyEmbeddingConfig);
 
         // fromTableToBuffer will try and apply the embeddings again
-        await expect(
-          fromTableToBuffer(table, dummyEmbeddingConfig),
-        ).rejects.toThrow("already existed");
+        // but should skip since the column already has non-null values
+        const result = await fromTableToBuffer(table, dummyEmbeddingConfig);
+        expect(result.byteLength).toBeGreaterThan(0);
       });
     });
 

nodejs/__test__/table.test.ts

@@ -33,7 +33,12 @@ import {
   register,
 } from "../lancedb/embedding";
 import { Index } from "../lancedb/indices";
-import { instanceOfFullTextQuery } from "../lancedb/query";
+import {
+  BooleanQuery,
+  Occur,
+  Operator,
+  instanceOfFullTextQuery,
+} from "../lancedb/query";
 import exp = require("constants");
 
 describe.each([arrow15, arrow16, arrow17, arrow18])(
@@ -363,9 +368,9 @@ describe("merge insert", () => {
       { a: 4, b: "z" },
     ];
 
-    expect(
-      JSON.parse(JSON.stringify((await table.toArrow()).toArray())),
-    ).toEqual(expected);
+    const result = (await table.toArrow()).toArray().sort((a, b) => a.a - b.a);
+
+    expect(result.map((row) => ({ ...row }))).toEqual(expected);
   });
   test("conditional update", async () => {
     const newData = [
@@ -554,6 +559,32 @@ describe("When creating an index", () => {
     rst = await tbl.query().limit(2).offset(1).nearestTo(queryVec).toArrow();
     expect(rst.numRows).toBe(1);
 
+    // test nprobes
+    rst = await tbl.query().nearestTo(queryVec).limit(2).nprobes(50).toArrow();
+    expect(rst.numRows).toBe(2);
+    rst = await tbl
+      .query()
+      .nearestTo(queryVec)
+      .limit(2)
+      .minimumNprobes(15)
+      .toArrow();
+    expect(rst.numRows).toBe(2);
+    rst = await tbl
+      .query()
+      .nearestTo(queryVec)
+      .limit(2)
+      .minimumNprobes(10)
+      .maximumNprobes(20)
+      .toArrow();
+    expect(rst.numRows).toBe(2);
+
+    expect(() => tbl.query().nearestTo(queryVec).minimumNprobes(0)).toThrow(
+      "Invalid input, minimum_nprobes must be greater than 0",
+    );
+    expect(() => tbl.query().nearestTo(queryVec).maximumNprobes(5)).toThrow(
+      "Invalid input, maximum_nprobes must be greater than minimum_nprobes",
+    );
+
     await tbl.dropIndex("vec_idx");
     const indices2 = await tbl.listIndices();
     expect(indices2.length).toBe(0);
@@ -1531,6 +1562,18 @@ describe.each([arrow15, arrow16, arrow17, arrow18])(
 
       const results = await table.search("hello").toArray();
       expect(results[0].text).toBe(data[0].text);
+
+      const results2 = await table
+        .search(new MatchQuery("hello world", "text"))
+        .toArray();
+      expect(results2.length).toBe(2);
+
+      const results3 = await table
+        .search(
+          new MatchQuery("hello world", "text", { operator: Operator.And }),
+        )
+        .toArray();
+      expect(results3.length).toBe(1);
     });
 
     test("full text search without lowercase", async () => {
@@ -1607,6 +1650,114 @@ describe.each([arrow15, arrow16, arrow17, arrow18])(
       expect(resultSet.has("fob")).toBe(true);
       expect(resultSet.has("fo")).toBe(true);
       expect(resultSet.has("food")).toBe(true);
+
+      const prefixResults = await table
+        .search(
+          new MatchQuery("foo", "text", { fuzziness: 3, prefixLength: 3 }),
+        )
+        .toArray();
+      expect(prefixResults.length).toBe(2);
+      const resultSet2 = new Set(prefixResults.map((r) => r.text));
+      expect(resultSet2.has("foo")).toBe(true);
+      expect(resultSet2.has("food")).toBe(true);
+    });
+
+    test("full text search boolean query", async () => {
+      const db = await connect(tmpDir.name);
+      const data = [
+        { text: "The cat and dog are playing" },
+        { text: "The cat is sleeping" },
+        { text: "The dog is barking" },
+        { text: "The dog chases the cat" },
+      ];
+      const table = await db.createTable("test", data);
+      await table.createIndex("text", {
+        config: Index.fts({ withPosition: false }),
+      });
+
+      const shouldResults = await table
+        .search(
+          new BooleanQuery([
+            [Occur.Should, new MatchQuery("cat", "text")],
+            [Occur.Should, new MatchQuery("dog", "text")],
+          ]),
+        )
+        .toArray();
+      expect(shouldResults.length).toBe(4);
+
+      const mustResults = await table
+        .search(
+          new BooleanQuery([
+            [Occur.Must, new MatchQuery("cat", "text")],
+            [Occur.Must, new MatchQuery("dog", "text")],
+          ]),
+        )
+        .toArray();
+      expect(mustResults.length).toBe(2);
+
+      const mustNotResults = await table
+        .search(
+          new BooleanQuery([
+            [Occur.Must, new MatchQuery("cat", "text")],
+            [Occur.MustNot, new MatchQuery("dog", "text")],
+          ]),
+        )
+        .toArray();
+      expect(mustNotResults.length).toBe(1);
+    });
+
+    test("full text search ngram", async () => {
+      const db = await connect(tmpDir.name);
+      const data = [
+        { text: "hello world", vector: [0.1, 0.2, 0.3] },
+        { text: "lance database", vector: [0.4, 0.5, 0.6] },
+        { text: "lance is cool", vector: [0.7, 0.8, 0.9] },
+      ];
+      const table = await db.createTable("test", data);
+      await table.createIndex("text", {
+        config: Index.fts({ baseTokenizer: "ngram" }),
+      });
+
+      const results = await table.search("lan").toArray();
+      expect(results.length).toBe(2);
+      const resultSet = new Set(results.map((r) => r.text));
+      expect(resultSet.has("lance database")).toBe(true);
+      expect(resultSet.has("lance is cool")).toBe(true);
+
+      const results2 = await table.search("nce").toArray(); // spellchecker:disable-line
+      expect(results2.length).toBe(2);
+      const resultSet2 = new Set(results2.map((r) => r.text));
+      expect(resultSet2.has("lance database")).toBe(true);
+      expect(resultSet2.has("lance is cool")).toBe(true);
+
+      // the default min_ngram_length is 3, so "la" should not match
+      const results3 = await table.search("la").toArray();
+      expect(results3.length).toBe(0);
+
+      // test setting min_ngram_length and prefix_only
+      await table.createIndex("text", {
+        config: Index.fts({
+          baseTokenizer: "ngram",
+          ngramMinLength: 2,
+          prefixOnly: true,
+        }),
+        replace: true,
+      });
+
+      const results4 = await table.search("lan").toArray();
+      expect(results4.length).toBe(2);
+      const resultSet4 = new Set(results4.map((r) => r.text));
+      expect(resultSet4.has("lance database")).toBe(true);
+      expect(resultSet4.has("lance is cool")).toBe(true);
+
+      const results5 = await table.search("nce").toArray(); // spellchecker:disable-line
+      expect(results5.length).toBe(0);
+
+      const results6 = await table.search("la").toArray();
+      expect(results6.length).toBe(2);
+      const resultSet6 = new Set(results6.map((r) => r.text));
+      expect(resultSet6.has("lance database")).toBe(true);
+      expect(resultSet6.has("lance is cool")).toBe(true);
     });
 
     test.each([

nodejs/lancedb/arrow.ts

@@ -417,7 +417,9 @@ function inferSchema(
         } else {
           const inferredType = inferType(value, path, opts);
           if (inferredType === undefined) {
-            throw new Error(`Failed to infer data type for field ${path.join(".")} at row ${rowI}. \
+            throw new Error(`Failed to infer data type for field ${path.join(
+              ".",
+            )} at row ${rowI}. \
                              Consider providing an explicit schema.`);
           }
           pathTree.set(path, inferredType);
@@ -799,11 +801,17 @@ async function applyEmbeddingsFromMetadata(
         `Cannot apply embedding function because the source column '${functionEntry.sourceColumn}' was not present in the data`,
       );
     }
+
+    // Check if destination column exists and handle accordingly
     if (columns[destColumn] !== undefined) {
-      throw new Error(
-        `Attempt to apply embeddings to table failed because column ${destColumn} already existed`,
-      );
+      const existingColumn = columns[destColumn];
+      // If the column exists but is all null, we can fill it with embeddings
+      if (existingColumn.nullCount !== existingColumn.length) {
+        // Column has non-null values, skip embedding application
+        continue;
+      }
     }
+
     if (table.batches.length > 1) {
       throw new Error(
         "Internal error: `makeArrowTable` unexpectedly created a table with more than one batch",
@@ -903,11 +911,23 @@ async function applyEmbeddings<T>(
       );
     }
   } else {
+    // Check if destination column exists and handle accordingly
     if (Object.prototype.hasOwnProperty.call(newColumns, destColumn)) {
-      throw new Error(
-        `Attempt to apply embeddings to table failed because column ${destColumn} already existed`,
-      );
+      const existingColumn = newColumns[destColumn];
+      // If the column exists but is all null, we can fill it with embeddings
+      if (existingColumn.nullCount !== existingColumn.length) {
+        // Column has non-null values, skip embedding application and return table as-is
+        let newTable = new ArrowTable(newColumns);
+        if (schema != null) {
+          newTable = alignTable(newTable, schema as Schema);
+        }
+        return new ArrowTable(
+          new Schema(newTable.schema.fields, schemaMetadata),
+          newTable.batches,
+        );
+      }
     }
+
     if (table.batches.length > 1) {
       throw new Error(
         "Internal error: `makeArrowTable` unexpectedly created a table with more than one batch",

nodejs/lancedb/index.ts

@@ -64,7 +64,10 @@ export {
   PhraseQuery,
   BoostQuery,
   MultiMatchQuery,
+  BooleanQuery,
   FullTextQueryType,
+  Operator,
+  Occur,
 } from "./query";
 
 export {

nodejs/lancedb/indices.ts

@@ -439,7 +439,7 @@ export interface FtsOptions {
    *
    * "raw" - Raw tokenizer. This tokenizer does not split the text into tokens and indexes the entire text as a single token.
    */
-  baseTokenizer?: "simple" | "whitespace" | "raw";
+  baseTokenizer?: "simple" | "whitespace" | "raw" | "ngram";
 
   /**
    * language for stemming and stop words
@@ -472,6 +472,21 @@ export interface FtsOptions {
    * whether to remove punctuation
    */
   asciiFolding?: boolean;
+
+  /**
+   * ngram min length
+   */
+  ngramMinLength?: number;
+
+  /**
+   * ngram max length
+   */
+  ngramMaxLength?: number;
+
+  /**
+   * whether to only index the prefix of the token for ngram tokenizer
+   */
+  prefixOnly?: boolean;
 }
 
 export class Index {
@@ -608,6 +623,9 @@ export class Index {
         options?.stem,
         options?.removeStopWords,
         options?.asciiFolding,
+        options?.ngramMinLength,
+        options?.ngramMaxLength,
+        options?.prefixOnly,
       ),
     );
   }

nodejs/lancedb/query.ts

@@ -448,6 +448,10 @@ export class VectorQuery extends QueryBase<NativeVectorQuery> {
    * For best results we recommend tuning this parameter with a benchmark against
    * your actual data to find the smallest possible value that will still give
    * you the desired recall.
+   *
+   * For more fine grained control over behavior when you have a very narrow filter
+   * you can use `minimumNprobes` and `maximumNprobes`.  This method sets both
+   * the minimum and maximum to the same value.
    */
   nprobes(nprobes: number): VectorQuery {
     super.doCall((inner) => inner.nprobes(nprobes));
@@ -455,6 +459,33 @@ export class VectorQuery extends QueryBase<NativeVectorQuery> {
     return this;
   }
 
+  /**
+   * Set the minimum number of probes used.
+   *
+   * This controls the minimum number of partitions that will be searched.  This
+   * parameter will impact every query against a vector index, regardless of the
+   * filter.  See `nprobes` for more details.  Higher values will increase recall
+   * but will also increase latency.
+   */
+  minimumNprobes(minimumNprobes: number): VectorQuery {
+    super.doCall((inner) => inner.minimumNprobes(minimumNprobes));
+    return this;
+  }
+
+  /**
+   * Set the maximum number of probes used.
+   *
+   * This controls the maximum number of partitions that will be searched.  If this
+   * number is greater than minimumNprobes then the excess partitions will _only_ be
+   * searched if we have not found enough results.  This can be useful when there is
+   * a narrow filter to allow these queries to spend more time searching and avoid
+   * potential false negatives.
+   */
+  maximumNprobes(maximumNprobes: number): VectorQuery {
+    super.doCall((inner) => inner.maximumNprobes(maximumNprobes));
+    return this;
+  }
+
   /*
    * Set the distance range to use
    *
@@ -762,6 +793,31 @@ export enum FullTextQueryType {
   MatchPhrase = "match_phrase",
   Boost = "boost",
   MultiMatch = "multi_match",
+  Boolean = "boolean",
+}
+
+/**
+ * Enum representing the logical operators used in full-text queries.
+ *
+ * - `And`: All terms must match.
+ * - `Or`: At least one term must match.
+ */
+export enum Operator {
+  And = "AND",
+  Or = "OR",
+}
+
+/**
+ * Enum representing the occurrence of terms in full-text queries.
+ *
+ * - `Must`: The term must be present in the document.
+ * - `Should`: The term should contribute to the document score, but is not required.
+ * - `MustNot`: The term must not be present in the document.
+ */
+export enum Occur {
+  Should = "SHOULD",
+  Must = "MUST",
+  MustNot = "MUST_NOT",
 }
 
 /**
@@ -791,6 +847,7 @@ export function instanceOfFullTextQuery(obj: any): obj is FullTextQuery {
 export class MatchQuery implements FullTextQuery {
   /** @ignore */
   public readonly inner: JsFullTextQuery;
+
   /**
    * Creates an instance of MatchQuery.
    *
@@ -800,6 +857,8 @@ export class MatchQuery implements FullTextQuery {
    *   - `boost`: The boost factor for the query (default is 1.0).
    *   - `fuzziness`: The fuzziness level for the query (default is 0).
    *   - `maxExpansions`: The maximum number of terms to consider for fuzzy matching (default is 50).
+   *   - `operator`: The logical operator to use for combining terms in the query (default is "OR").
+   *   - `prefixLength`: The number of beginning characters being unchanged for fuzzy matching.
    */
   constructor(
     query: string,
@@ -808,6 +867,8 @@ export class MatchQuery implements FullTextQuery {
       boost?: number;
       fuzziness?: number;
       maxExpansions?: number;
+      operator?: Operator;
+      prefixLength?: number;
     },
   ) {
     let fuzziness = options?.fuzziness;
@@ -820,6 +881,8 @@ export class MatchQuery implements FullTextQuery {
       options?.boost ?? 1.0,
       fuzziness,
       options?.maxExpansions ?? 50,
+      options?.operator ?? Operator.Or,
+      options?.prefixLength ?? 0,
     );
   }
 
@@ -836,9 +899,11 @@ export class PhraseQuery implements FullTextQuery {
    *
    * @param query - The phrase to search for in the specified column.
    * @param column - The name of the column to search within.
+   * @param options - Optional parameters for the phrase query.
+   *   - `slop`: The maximum number of intervening unmatched positions allowed between words in the phrase (default is 0).
    */
-  constructor(query: string, column: string) {
-    this.inner = JsFullTextQuery.phraseQuery(query, column);
+  constructor(query: string, column: string, options?: { slop?: number }) {
+    this.inner = JsFullTextQuery.phraseQuery(query, column, options?.slop ?? 0);
   }
 
   queryType(): FullTextQueryType {
@@ -889,18 +954,21 @@ export class MultiMatchQuery implements FullTextQuery {
    * @param columns - An array of column names to search within.
    * @param options - Optional parameters for the multi-match query.
    *  - `boosts`: An array of boost factors for each column (default is 1.0 for all).
+   *  - `operator`: The logical operator to use for combining terms in the query (default is "OR").
    */
   constructor(
     query: string,
     columns: string[],
     options?: {
       boosts?: number[];
+      operator?: Operator;
     },
   ) {
     this.inner = JsFullTextQuery.multiMatchQuery(
       query,
       columns,
       options?.boosts,
+      options?.operator ?? Operator.Or,
     );
   }
 
@@ -908,3 +976,23 @@ export class MultiMatchQuery implements FullTextQuery {
     return FullTextQueryType.MultiMatch;
   }
 }
+
+export class BooleanQuery implements FullTextQuery {
+  /** @ignore */
+  public readonly inner: JsFullTextQuery;
+  /**
+   * Creates an instance of BooleanQuery.
+   *
+   * @param queries - An array of (Occur, FullTextQuery objects) to combine.
+   * Occur specifies whether the query must match, or should match.
+   */
+  constructor(queries: [Occur, FullTextQuery][]) {
+    this.inner = JsFullTextQuery.booleanQuery(
+      queries.map(([occur, query]) => [occur, query.inner]),
+    );
+  }
+
+  queryType(): FullTextQueryType {
+    return FullTextQueryType.Boolean;
+  }
+}

nodejs/lancedb/table.ts

@@ -75,10 +75,10 @@ export interface OptimizeOptions {
    * // Delete all versions older than 1 day
    * const olderThan = new Date();
    * olderThan.setDate(olderThan.getDate() - 1));
-   * tbl.cleanupOlderVersions(olderThan);
+   * tbl.optimize({cleanupOlderThan: olderThan});
    *
    * // Delete all versions except the current version
-   * tbl.cleanupOlderVersions(new Date());
+   * tbl.optimize({cleanupOlderThan: new Date()});
    */
   cleanupOlderThan: Date;
   deleteUnverified: boolean;

nodejs/npm/darwin-arm64/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-darwin-arm64",
-	"version": "0.19.2-beta.0",
+	"version": "0.21.1",
 	"os": ["darwin"],
 	"cpu": ["arm64"],
 	"main": "lancedb.darwin-arm64.node",

nodejs/npm/darwin-x64/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-darwin-x64",
-	"version": "0.19.2-beta.0",
+	"version": "0.21.1",
 	"os": ["darwin"],
 	"cpu": ["x64"],
 	"main": "lancedb.darwin-x64.node",

nodejs/npm/linux-arm64-gnu/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-arm64-gnu",
-	"version": "0.19.2-beta.0",
+	"version": "0.21.1",
 	"os": ["linux"],
 	"cpu": ["arm64"],
 	"main": "lancedb.linux-arm64-gnu.node",

nodejs/npm/linux-arm64-musl/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-arm64-musl",
-	"version": "0.19.2-beta.0",
+	"version": "0.21.1",
 	"os": ["linux"],
 	"cpu": ["arm64"],
 	"main": "lancedb.linux-arm64-musl.node",

nodejs/npm/linux-x64-gnu/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-x64-gnu",
-	"version": "0.19.2-beta.0",
+	"version": "0.21.1",
 	"os": ["linux"],
 	"cpu": ["x64"],
 	"main": "lancedb.linux-x64-gnu.node",

nodejs/npm/linux-x64-musl/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-linux-x64-musl",
-	"version": "0.19.2-beta.0",
+	"version": "0.21.1",
 	"os": ["linux"],
 	"cpu": ["x64"],
 	"main": "lancedb.linux-x64-musl.node",

nodejs/npm/win32-arm64-msvc/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@lancedb/lancedb-win32-arm64-msvc",
-  "version": "0.19.2-beta.0",
+  "version": "0.21.1",
   "os": [
     "win32"
   ],

nodejs/npm/win32-x64-msvc/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@lancedb/lancedb-win32-x64-msvc",
-	"version": "0.19.2-beta.0",
+	"version": "0.21.1",
 	"os": ["win32"],
 	"cpu": ["x64"],
 	"main": "lancedb.win32-x64-msvc.node",

nodejs/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@lancedb/lancedb",
-  "version": "0.19.2-beta.0",
+  "version": "0.21.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@lancedb/lancedb",
-      "version": "0.19.2-beta.0",
+      "version": "0.21.1",
       "cpu": [
         "x64",
         "arm64"

nodejs/package.json

@@ -11,7 +11,7 @@
     "ann"
   ],
   "private": false,
-  "version": "0.19.2-beta.0",
+  "version": "0.21.1",
   "main": "dist/index.js",
   "exports": {
     ".": "./dist/index.js",

nodejs/src/index.rs

@@ -123,6 +123,9 @@ impl Index {
         stem: Option<bool>,
         remove_stop_words: Option<bool>,
         ascii_folding: Option<bool>,
+        ngram_min_length: Option<u32>,
+        ngram_max_length: Option<u32>,
+        prefix_only: Option<bool>,
     ) -> Self {
         let mut opts = FtsIndexBuilder::default();
         if let Some(with_position) = with_position {
@@ -149,6 +152,15 @@ impl Index {
         if let Some(ascii_folding) = ascii_folding {
             opts = opts.ascii_folding(ascii_folding);
         }
+        if let Some(ngram_min_length) = ngram_min_length {
+            opts = opts.ngram_min_length(ngram_min_length);
+        }
+        if let Some(ngram_max_length) = ngram_max_length {
+            opts = opts.ngram_max_length(ngram_max_length);
+        }
+        if let Some(prefix_only) = prefix_only {
+            opts = opts.ngram_prefix_only(prefix_only);
+        }
 
         Self {
             inner: Mutex::new(Some(LanceDbIndex::FTS(opts))),

nodejs/src/query.rs

@@ -4,7 +4,8 @@
 use std::sync::Arc;
 
 use lancedb::index::scalar::{
-    BoostQuery, FtsQuery, FullTextSearchQuery, MatchQuery, MultiMatchQuery, PhraseQuery,
+    BooleanQuery, BoostQuery, FtsQuery, FullTextSearchQuery, MatchQuery, MultiMatchQuery, Occur,
+    Operator, PhraseQuery,
 };
 use lancedb::query::ExecutableQuery;
 use lancedb::query::Query as LanceDbQuery;
@@ -177,6 +178,31 @@ impl VectorQuery {
         self.inner = self.inner.clone().nprobes(nprobe as usize);
     }
 
+    #[napi]
+    pub fn minimum_nprobes(&mut self, minimum_nprobe: u32) -> napi::Result<()> {
+        self.inner = self
+            .inner
+            .clone()
+            .minimum_nprobes(minimum_nprobe as usize)
+            .default_error()?;
+        Ok(())
+    }
+
+    #[napi]
+    pub fn maximum_nprobes(&mut self, maximum_nprobes: u32) -> napi::Result<()> {
+        let maximum_nprobes = if maximum_nprobes == 0 {
+            None
+        } else {
+            Some(maximum_nprobes as usize)
+        };
+        self.inner = self
+            .inner
+            .clone()
+            .maximum_nprobes(maximum_nprobes)
+            .default_error()?;
+        Ok(())
+    }
+
     #[napi]
     pub fn distance_range(&mut self, lower_bound: Option<f64>, upper_bound: Option<f64>) {
         // napi doesn't support f32, so we have to convert to f32
@@ -308,6 +334,8 @@ impl JsFullTextQuery {
         boost: f64,
         fuzziness: Option<u32>,
         max_expansions: u32,
+        operator: String,
+        prefix_length: u32,
     ) -> napi::Result<Self> {
         Ok(Self {
             inner: MatchQuery::new(query)
@@ -315,14 +343,23 @@ impl JsFullTextQuery {
                 .with_boost(boost as f32)
                 .with_fuzziness(fuzziness)
                 .with_max_expansions(max_expansions as usize)
+                .with_operator(
+                    Operator::try_from(operator.as_str()).map_err(|e| {
+                        napi::Error::from_reason(format!("Invalid operator: {}", e))
+                    })?,
+                )
+                .with_prefix_length(prefix_length)
                 .into(),
         })
     }
 
     #[napi(factory)]
-    pub fn phrase_query(query: String, column: String) -> napi::Result<Self> {
+    pub fn phrase_query(query: String, column: String, slop: u32) -> napi::Result<Self> {
         Ok(Self {
-            inner: PhraseQuery::new(query).with_column(Some(column)).into(),
+            inner: PhraseQuery::new(query)
+                .with_column(Some(column))
+                .with_slop(slop)
+                .into(),
         })
     }
 
@@ -348,6 +385,7 @@ impl JsFullTextQuery {
         query: String,
         columns: Vec<String>,
         boosts: Option<Vec<f64>>,
+        operator: String,
     ) -> napi::Result<Self> {
         let q = match boosts {
             Some(boosts) => MultiMatchQuery::try_new(query, columns)
@@ -358,7 +396,37 @@ impl JsFullTextQuery {
             napi::Error::from_reason(format!("Failed to create multi match query: {}", e))
         })?;
 
-        Ok(Self { inner: q.into() })
+        let operator = Operator::try_from(operator.as_str()).map_err(|e| {
+            napi::Error::from_reason(format!("Invalid operator for multi match query: {}", e))
+        })?;
+
+        Ok(Self {
+            inner: q.with_operator(operator).into(),
+        })
+    }
+
+    #[napi(factory)]
+    pub fn boolean_query(queries: Vec<(String, &JsFullTextQuery)>) -> napi::Result<Self> {
+        let mut sub_queries = Vec::with_capacity(queries.len());
+        for (occur, q) in queries {
+            let occur = Occur::try_from(occur.as_str())
+                .map_err(|e| napi::Error::from_reason(e.to_string()))?;
+            sub_queries.push((occur, q.inner.clone()));
+        }
+        Ok(Self {
+            inner: BooleanQuery::new(sub_queries).into(),
+        })
+    }
+
+    #[napi(getter)]
+    pub fn query_type(&self) -> String {
+        match self.inner {
+            FtsQuery::Match(_) => "match".to_string(),
+            FtsQuery::Phrase(_) => "phrase".to_string(),
+            FtsQuery::Boost(_) => "boost".to_string(),
+            FtsQuery::MultiMatch(_) => "multi_match".to_string(),
+            FtsQuery::Boolean(_) => "boolean".to_string(),
+        }
     }
 }
 

python/.bumpversion.toml

@@ -1,5 +1,5 @@
 [tool.bumpversion]
-current_version = "0.23.0-beta.0"
+current_version = "0.24.2-beta.0"
 parse = """(?x)
     (?P<major>0|[1-9]\\d*)\\.
     (?P<minor>0|[1-9]\\d*)\\.

python/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "lancedb-python"
-version = "0.23.0-beta.0"
+version = "0.24.2-beta.0"
 edition.workspace = true
 description = "Python bindings for LanceDB"
 license.workspace = true
@@ -14,11 +14,11 @@ name = "_lancedb"
 crate-type = ["cdylib"]
 
 [dependencies]
-arrow = { version = "54.1", features = ["pyarrow"] }
+arrow = { version = "55.1", features = ["pyarrow"] }
 lancedb = { path = "../rust/lancedb", default-features = false }
 env_logger.workspace = true
-pyo3 = { version = "0.23", features = ["extension-module", "abi3-py39"] }
-pyo3-async-runtimes = { version = "0.23", features = [
+pyo3 = { version = "0.24", features = ["extension-module", "abi3-py39"] }
+pyo3-async-runtimes = { version = "0.24", features = [
     "attributes",
     "tokio-runtime",
 ] }
@@ -27,7 +27,7 @@ futures.workspace = true
 tokio = { version = "1.40", features = ["sync"] }
 
 [build-dependencies]
-pyo3-build-config = { version = "0.23", features = [
+pyo3-build-config = { version = "0.24", features = [
     "extension-module",
     "abi3-py39",
 ] }

python/pyproject.toml

@@ -85,7 +85,7 @@ embeddings = [
     "boto3>=1.28.57",
     "awscli>=1.29.57",
     "botocore>=1.31.57",
-    "ollama",
+    "ollama>=0.3.0",
     "ibm-watsonx-ai>=1.1.2",
 ]
 azure = ["adlfs>=2024.2.0"]

python/python/lancedb/_lancedb.pyi

@@ -143,6 +143,8 @@ class VectorQuery:
     def postfilter(self): ...
     def refine_factor(self, refine_factor: int): ...
     def nprobes(self, nprobes: int): ...
+    def minimum_nprobes(self, minimum_nprobes: int): ...
+    def maximum_nprobes(self, maximum_nprobes: int): ...
     def bypass_vector_index(self): ...
     def nearest_to_text(self, query: dict) -> HybridQuery: ...
     def to_query_request(self) -> PyQueryRequest: ...
@@ -158,6 +160,8 @@ class HybridQuery:
     def distance_type(self, distance_type: str): ...
     def refine_factor(self, refine_factor: int): ...
     def nprobes(self, nprobes: int): ...
+    def minimum_nprobes(self, minimum_nprobes: int): ...
+    def maximum_nprobes(self, maximum_nprobes: int): ...
     def bypass_vector_index(self): ...
     def to_vector_query(self) -> VectorQuery: ...
     def to_fts_query(self) -> FTSQuery: ...
@@ -165,23 +169,21 @@ class HybridQuery:
     def get_with_row_id(self) -> bool: ...
     def to_query_request(self) -> PyQueryRequest: ...
 
-class PyFullTextSearchQuery:
-    columns: Optional[List[str]]
-    query: str
-    limit: Optional[int]
-    wand_factor: Optional[float]
+class FullTextQuery:
+    pass
 
 class PyQueryRequest:
     limit: Optional[int]
     offset: Optional[int]
     filter: Optional[Union[str, bytes]]
-    full_text_search: Optional[PyFullTextSearchQuery]
+    full_text_search: Optional[FullTextQuery]
     select: Optional[Union[str, List[str]]]
     fast_search: Optional[bool]
     with_row_id: Optional[bool]
     column: Optional[str]
     query_vector: Optional[List[pa.Array]]
-    nprobes: Optional[int]
+    minimum_nprobes: Optional[int]
+    maximum_nprobes: Optional[int]
     lower_bound: Optional[float]
     upper_bound: Optional[float]
     ef: Optional[int]

python/python/lancedb/embeddings/ollama.py

@@ -2,14 +2,15 @@
 # SPDX-FileCopyrightText: Copyright The LanceDB Authors
 
 from functools import cached_property
-from typing import TYPE_CHECKING, List, Optional, Union
+from typing import TYPE_CHECKING, List, Optional, Sequence, Union
+
+import numpy as np
 
 from ..util import attempt_import_or_raise
 from .base import TextEmbeddingFunction
 from .registry import register
 
 if TYPE_CHECKING:
-    import numpy as np
     import ollama
 
 
@@ -28,23 +29,21 @@ class OllamaEmbeddings(TextEmbeddingFunction):
     keep_alive: Optional[Union[float, str]] = None
     ollama_client_kwargs: Optional[dict] = {}
 
-    def ndims(self):
+    def ndims(self) -> int:
         return len(self.generate_embeddings(["foo"])[0])
 
-    def _compute_embedding(self, text) -> Union["np.array", None]:
-        return (
-            self._ollama_client.embeddings(
-                model=self.name,
-                prompt=text,
-                options=self.options,
-                keep_alive=self.keep_alive,
-            )["embedding"]
-            or None
+    def _compute_embedding(self, text: Sequence[str]) -> Sequence[Sequence[float]]:
+        response = self._ollama_client.embed(
+            model=self.name,
+            input=text,
+            options=self.options,
+            keep_alive=self.keep_alive,
         )
+        return response.embeddings
 
     def generate_embeddings(
-        self, texts: Union[List[str], "np.ndarray"]
-    ) -> list[Union["np.array", None]]:
+        self, texts: Union[List[str], np.ndarray]
+    ) -> list[Union[np.array, None]]:
         """
         Get the embeddings for the given texts
 
@@ -54,8 +53,8 @@ class OllamaEmbeddings(TextEmbeddingFunction):
             The texts to embed
         """
         # TODO retry, rate limit, token limit
-        embeddings = [self._compute_embedding(text) for text in texts]
-        return embeddings
+        embeddings = self._compute_embedding(texts)
+        return list(embeddings)
 
     @cached_property
     def _ollama_client(self) -> "ollama.Client":

python/python/lancedb/index.py

@@ -137,6 +137,9 @@ class FTS:
     stem: bool = True
     remove_stop_words: bool = True
     ascii_folding: bool = True
+    ngram_min_length: int = 3
+    ngram_max_length: int = 3
+    prefix_only: bool = False
 
 
 @dataclass

python/python/lancedb/query.py

@@ -4,7 +4,6 @@
 from __future__ import annotations
 
 from abc import ABC, abstractmethod
-import abc
 from concurrent.futures import ThreadPoolExecutor
 from enum import Enum
 from datetime import timedelta
@@ -88,15 +87,28 @@ def ensure_vector_query(
         return val
 
 
-class FullTextQueryType(Enum):
+class FullTextQueryType(str, Enum):
     MATCH = "match"
     MATCH_PHRASE = "match_phrase"
     BOOST = "boost"
     MULTI_MATCH = "multi_match"
+    BOOLEAN = "boolean"
 
 
-class FullTextQuery(abc.ABC, pydantic.BaseModel):
-    @abc.abstractmethod
+class FullTextOperator(str, Enum):
+    AND = "AND"
+    OR = "OR"
+
+
+class Occur(str, Enum):
+    SHOULD = "SHOULD"
+    MUST = "MUST"
+    MUST_NOT = "MUST_NOT"
+
+
+@pydantic.dataclasses.dataclass
+class FullTextQuery(ABC):
+    @abstractmethod
     def query_type(self) -> FullTextQueryType:
         """
         Get the query type of the query.
@@ -106,193 +118,178 @@ class FullTextQuery(abc.ABC, pydantic.BaseModel):
         str
             The type of the query.
         """
+        pass
 
-    @abc.abstractmethod
-    def to_dict(self) -> dict:
+    def __and__(self, other: "FullTextQuery") -> "FullTextQuery":
         """
-        Convert the query to a dictionary.
-
-        Returns
-        -------
-        dict
-            The query as a dictionary.
-        """
-
-
-class MatchQuery(FullTextQuery):
-    query: str
-    column: str
-    boost: float = 1.0
-    fuzziness: int = 0
-    max_expansions: int = 50
-
-    def __init__(
-        self,
-        query: str,
-        column: str,
-        *,
-        boost: float = 1.0,
-        fuzziness: int = 0,
-        max_expansions: int = 50,
-    ):
-        """
-        Match query for full-text search.
+        Combine two queries with a logical AND operation.
 
         Parameters
         ----------
-        query : str
-            The query string to match against.
-        column : str
-            The name of the column to match against.
-        boost : float, default 1.0
-            The boost factor for the query.
-            The score of each matching document is multiplied by this value.
-        fuzziness : int, optional
-            The maximum edit distance for each term in the match query.
-            Defaults to 0 (exact match).
-            If None, fuzziness is applied automatically by the rules:
-                - 0 for terms with length <= 2
-                - 1 for terms with length <= 5
-                - 2 for terms with length > 5
-        max_expansions : int, optional
-            The maximum number of terms to consider for fuzzy matching.
-            Defaults to 50.
+        other : FullTextQuery
+            The other query to combine with.
+
+        Returns
+        -------
+        FullTextQuery
+            A new query that combines both queries with AND.
         """
-        super().__init__(
-            query=query,
-            column=column,
-            boost=boost,
-            fuzziness=fuzziness,
-            max_expansions=max_expansions,
-        )
+        return BooleanQuery([(Occur.MUST, self), (Occur.MUST, other)])
+
+    def __or__(self, other: "FullTextQuery") -> "FullTextQuery":
+        """
+        Combine two queries with a logical OR operation.
+
+        Parameters
+        ----------
+        other : FullTextQuery
+            The other query to combine with.
+
+        Returns
+        -------
+        FullTextQuery
+            A new query that combines both queries with OR.
+        """
+        return BooleanQuery([(Occur.SHOULD, self), (Occur.SHOULD, other)])
+
+
+@pydantic.dataclasses.dataclass
+class MatchQuery(FullTextQuery):
+    """
+    Match query for full-text search.
+
+    Parameters
+    ----------
+    query : str
+        The query string to match against.
+    column : str
+        The name of the column to match against.
+    boost : float, default 1.0
+        The boost factor for the query.
+        The score of each matching document is multiplied by this value.
+    fuzziness : int, optional
+        The maximum edit distance for each term in the match query.
+        Defaults to 0 (exact match).
+        If None, fuzziness is applied automatically by the rules:
+            - 0 for terms with length <= 2
+            - 1 for terms with length <= 5
+            - 2 for terms with length > 5
+    max_expansions : int, optional
+        The maximum number of terms to consider for fuzzy matching.
+        Defaults to 50.
+    operator : FullTextOperator, default OR
+        The operator to use for combining the query results.
+        Can be either `AND` or `OR`.
+        If `AND`, all terms in the query must match.
+        If `OR`, at least one term in the query must match.
+    prefix_length : int, optional
+        The number of beginning characters being unchanged for fuzzy matching.
+        This is useful to achieve prefix matching.
+    """
+
+    query: str
+    column: str
+    boost: float = pydantic.Field(1.0, kw_only=True)
+    fuzziness: int = pydantic.Field(0, kw_only=True)
+    max_expansions: int = pydantic.Field(50, kw_only=True)
+    operator: FullTextOperator = pydantic.Field(FullTextOperator.OR, kw_only=True)
+    prefix_length: int = pydantic.Field(0, kw_only=True)
 
     def query_type(self) -> FullTextQueryType:
         return FullTextQueryType.MATCH
 
-    def to_dict(self) -> dict:
-        return {
-            "match": {
-                self.column: {
-                    "query": self.query,
-                    "boost": self.boost,
-                    "fuzziness": self.fuzziness,
-                    "max_expansions": self.max_expansions,
-                }
-            }
-        }
-
 
+@pydantic.dataclasses.dataclass
 class PhraseQuery(FullTextQuery):
+    """
+    Phrase query for full-text search.
+
+    Parameters
+    ----------
+    query : str
+        The query string to match against.
+    column : str
+        The name of the column to match against.
+    """
+
     query: str
     column: str
-
-    def __init__(self, query: str, column: str):
-        """
-        Phrase query for full-text search.
-
-        Parameters
-        ----------
-        query : str
-            The query string to match against.
-        column : str
-            The name of the column to match against.
-        """
-        super().__init__(query=query, column=column)
+    slop: int = pydantic.Field(0, kw_only=True)
 
     def query_type(self) -> FullTextQueryType:
         return FullTextQueryType.MATCH_PHRASE
 
-    def to_dict(self) -> dict:
-        return {
-            "match_phrase": {
-                self.column: self.query,
-            }
-        }
-
 
+@pydantic.dataclasses.dataclass
 class BoostQuery(FullTextQuery):
+    """
+    Boost query for full-text search.
+
+    Parameters
+    ----------
+    positive : dict
+        The positive query object.
+    negative : dict
+        The negative query object.
+    negative_boost : float, default 0.5
+        The boost factor for the negative query.
+    """
+
     positive: FullTextQuery
     negative: FullTextQuery
-    negative_boost: float = 0.5
-
-    def __init__(
-        self,
-        positive: FullTextQuery,
-        negative: FullTextQuery,
-        *,
-        negative_boost: float = 0.5,
-    ):
-        """
-        Boost query for full-text search.
-
-        Parameters
-        ----------
-        positive : dict
-            The positive query object.
-        negative : dict
-            The negative query object.
-        negative_boost : float
-            The boost factor for the negative query.
-        """
-        super().__init__(
-            positive=positive, negative=negative, negative_boost=negative_boost
-        )
+    negative_boost: float = pydantic.Field(0.5, kw_only=True)
 
     def query_type(self) -> FullTextQueryType:
         return FullTextQueryType.BOOST
 
-    def to_dict(self) -> dict:
-        return {
-            "boost": {
-                "positive": self.positive.to_dict(),
-                "negative": self.negative.to_dict(),
-                "negative_boost": self.negative_boost,
-            }
-        }
-
 
+@pydantic.dataclasses.dataclass
 class MultiMatchQuery(FullTextQuery):
+    """
+    Multi-match query for full-text search.
+
+    Parameters
+    ----------
+    query : str | list[Query]
+        If a string, the query string to match against.
+    columns : list[str]
+        The list of columns to match against.
+    boosts : list[float], optional
+        The list of boost factors for each column. If not provided,
+        all columns will have the same boost factor.
+    operator : FullTextOperator, default OR
+        The operator to use for combining the query results.
+        Can be either `AND` or `OR`.
+        It would be applied to all columns individually.
+        For example, if the operator is `AND`,
+        then the query "hello world" is equal to
+        `match("hello AND world", column1) OR match("hello AND world", column2)`.
+    """
+
     query: str
     columns: list[str]
-    boosts: list[float]
-
-    def __init__(
-        self,
-        query: str,
-        columns: list[str],
-        *,
-        boosts: Optional[list[float]] = None,
-    ):
-        """
-        Multi-match query for full-text search.
-
-        Parameters
-        ----------
-        query : str
-            The query string to match against.
-
-        columns : list[str]
-            The list of columns to match against.
-
-        boosts : list[float], optional
-            The list of boost factors for each column. If not provided,
-            all columns will have the same boost factor.
-        """
-        if boosts is None:
-            boosts = [1.0] * len(columns)
-        super().__init__(query=query, columns=columns, boosts=boosts)
+    boosts: Optional[list[float]] = pydantic.Field(None, kw_only=True)
+    operator: FullTextOperator = pydantic.Field(FullTextOperator.OR, kw_only=True)
 
     def query_type(self) -> FullTextQueryType:
         return FullTextQueryType.MULTI_MATCH
 
-    def to_dict(self) -> dict:
-        return {
-            "multi_match": {
-                "query": self.query,
-                "columns": self.columns,
-                "boost": self.boosts,
-            }
-        }
+
+@pydantic.dataclasses.dataclass
+class BooleanQuery(FullTextQuery):
+    """
+    Boolean query for full-text search.
+
+    Parameters
+    ----------
+    queries : list[tuple(Occur, FullTextQuery)]
+        The list of queries with their occurrence requirements.
+    """
+
+    queries: list[tuple[Occur, FullTextQuery]]
+
+    def query_type(self) -> FullTextQueryType:
+        return FullTextQueryType.BOOLEAN
 
 
 class FullTextSearchQuery(pydantic.BaseModel):
@@ -445,8 +442,18 @@ class Query(pydantic.BaseModel):
     # which columns to return in the results
     columns: Optional[Union[List[str], Dict[str, str]]] = None
 
-    # number of IVF partitions to search
-    nprobes: Optional[int] = None
+    # minimum number of IVF partitions to search
+    #
+    # If None then a default value (20) will be used.
+    minimum_nprobes: Optional[int] = None
+
+    # maximum number of IVF partitions to search
+    #
+    # If None then a default value (20) will be used.
+    #
+    # If 0 then no limit will be applied and all partitions could be searched
+    # if needed to satisfy the limit.
+    maximum_nprobes: Optional[int] = None
 
     # lower bound for distance search
     lower_bound: Optional[float] = None
@@ -484,7 +491,8 @@ class Query(pydantic.BaseModel):
         query.vector_column = req.column
         query.vector = req.query_vector
         query.distance_type = req.distance_type
-        query.nprobes = req.nprobes
+        query.minimum_nprobes = req.minimum_nprobes
+        query.maximum_nprobes = req.maximum_nprobes
         query.lower_bound = req.lower_bound
         query.upper_bound = req.upper_bound
         query.ef = req.ef
@@ -493,10 +501,8 @@ class Query(pydantic.BaseModel):
         query.postfilter = req.postfilter
         if req.full_text_search is not None:
             query.full_text_query = FullTextSearchQuery(
-                columns=req.full_text_search.columns,
-                query=req.full_text_search.query,
-                limit=req.full_text_search.limit,
-                wand_factor=req.full_text_search.wand_factor,
+                columns=None,
+                query=req.full_text_search,
             )
         return query
 
@@ -1047,7 +1053,8 @@ class LanceVectorQueryBuilder(LanceQueryBuilder):
         super().__init__(table)
         self._query = query
         self._distance_type = None
-        self._nprobes = None
+        self._minimum_nprobes = None
+        self._maximum_nprobes = None
         self._lower_bound = None
         self._upper_bound = None
         self._refine_factor = None
@@ -1110,6 +1117,10 @@ class LanceVectorQueryBuilder(LanceQueryBuilder):
         See discussion in [Querying an ANN Index][querying-an-ann-index] for
         tuning advice.
 
+        This method sets both the minimum and maximum number of probes to the same
+        value. See `minimum_nprobes` and `maximum_nprobes` for more fine-grained
+        control.
+
         Parameters
         ----------
         nprobes: int
@@ -1120,7 +1131,36 @@ class LanceVectorQueryBuilder(LanceQueryBuilder):
         LanceVectorQueryBuilder
             The LanceQueryBuilder object.
         """
-        self._nprobes = nprobes
+        self._minimum_nprobes = nprobes
+        self._maximum_nprobes = nprobes
+        return self
+
+    def minimum_nprobes(self, minimum_nprobes: int) -> LanceVectorQueryBuilder:
+        """Set the minimum number of probes to use.
+
+        See `nprobes` for more details.
+
+        These partitions will be searched on every vector query and will increase recall
+        at the expense of latency.
+        """
+        self._minimum_nprobes = minimum_nprobes
+        return self
+
+    def maximum_nprobes(self, maximum_nprobes: int) -> LanceVectorQueryBuilder:
+        """Set the maximum number of probes to use.
+
+        See `nprobes` for more details.
+
+        If this value is greater than `minimum_nprobes` then the excess partitions
+        will be searched only if we have not found enough results.
+
+        This can be useful when there is a narrow filter to allow these queries to
+        spend more time searching and avoid potential false negatives.
+
+        If this value is 0 then no limit will be applied and all partitions could be
+        searched if needed to satisfy the limit.
+        """
+        self._maximum_nprobes = maximum_nprobes
         return self
 
     def distance_range(
@@ -1224,7 +1264,8 @@ class LanceVectorQueryBuilder(LanceQueryBuilder):
             limit=self._limit,
             distance_type=self._distance_type,
             columns=self._columns,
-            nprobes=self._nprobes,
+            minimum_nprobes=self._minimum_nprobes,
+            maximum_nprobes=self._maximum_nprobes,
             lower_bound=self._lower_bound,
             upper_bound=self._upper_bound,
             refine_factor=self._refine_factor,
@@ -1333,6 +1374,8 @@ class LanceVectorQueryBuilder(LanceQueryBuilder):
         if query_string is not None and not isinstance(query_string, str):
             raise ValueError("Reranking currently only supports string queries")
         self._str_query = query_string if query_string is not None else self._str_query
+        if reranker.score == "all":
+            self.with_row_id(True)
         return self
 
     def bypass_vector_index(self) -> LanceVectorQueryBuilder:
@@ -1410,10 +1453,13 @@ class LanceFtsQueryBuilder(LanceQueryBuilder):
 
         query = self._query
         if self._phrase_query:
-            raise NotImplementedError(
-                "Phrase query is not yet supported in Lance FTS. "
-                "Use tantivy-based index instead for now."
-            )
+            if isinstance(query, str):
+                if not query.startswith('"') or not query.endswith('"'):
+                    query = f'"{query}"'
+            elif isinstance(query, FullTextQuery) and not isinstance(
+                query, PhraseQuery
+            ):
+                raise TypeError("Please use PhraseQuery for phrase queries.")
         query = self.to_query_object()
         results = self._table._execute_query(query, timeout=timeout)
         results = results.read_all()
@@ -1525,6 +1571,8 @@ class LanceFtsQueryBuilder(LanceQueryBuilder):
             The LanceQueryBuilder object.
         """
         self._reranker = reranker
+        if reranker.score == "all":
+            self.with_row_id(True)
         return self
 
 
@@ -1588,7 +1636,8 @@ class LanceHybridQueryBuilder(LanceQueryBuilder):
         self._fts_columns = fts_columns
         self._norm = None
         self._reranker = None
-        self._nprobes = None
+        self._minimum_nprobes = None
+        self._maximum_nprobes = None
         self._refine_factor = None
         self._distance_type = None
         self._phrase_query = None
@@ -1800,6 +1849,8 @@ class LanceHybridQueryBuilder(LanceQueryBuilder):
 
         self._norm = normalize
         self._reranker = reranker
+        if reranker.score == "all":
+            self.with_row_id(True)
 
         return self
 
@@ -1820,7 +1871,24 @@ class LanceHybridQueryBuilder(LanceQueryBuilder):
         LanceHybridQueryBuilder
             The LanceHybridQueryBuilder object.
         """
-        self._nprobes = nprobes
+        self._minimum_nprobes = nprobes
+        self._maximum_nprobes = nprobes
+        return self
+
+    def minimum_nprobes(self, minimum_nprobes: int) -> LanceHybridQueryBuilder:
+        """Set the minimum number of probes to use.
+
+        See `nprobes` for more details.
+        """
+        self._minimum_nprobes = minimum_nprobes
+        return self
+
+    def maximum_nprobes(self, maximum_nprobes: int) -> LanceHybridQueryBuilder:
+        """Set the maximum number of probes to use.
+
+        See `nprobes` for more details.
+        """
+        self._maximum_nprobes = maximum_nprobes
         return self
 
     def distance_range(
@@ -2049,8 +2117,10 @@ class LanceHybridQueryBuilder(LanceQueryBuilder):
             self._fts_query.phrase_query(True)
         if self._distance_type:
             self._vector_query.metric(self._distance_type)
-        if self._nprobes:
-            self._vector_query.nprobes(self._nprobes)
+        if self._minimum_nprobes:
+            self._vector_query.minimum_nprobes(self._minimum_nprobes)
+        if self._maximum_nprobes is not None:
+            self._vector_query.maximum_nprobes(self._maximum_nprobes)
         if self._refine_factor:
             self._vector_query.refine_factor(self._refine_factor)
         if self._ef:
@@ -2513,7 +2583,7 @@ class AsyncQuery(AsyncQueryBase):
                 self._inner.nearest_to_text({"query": query, "columns": columns})
             )
         # FullTextQuery object
-        return AsyncFTSQuery(self._inner.nearest_to_text({"query": query.to_dict()}))
+        return AsyncFTSQuery(self._inner.nearest_to_text({"query": query}))
 
 
 class AsyncFTSQuery(AsyncQueryBase):
@@ -2661,6 +2731,34 @@ class AsyncVectorQueryBase:
         self._inner.nprobes(nprobes)
         return self
 
+    def minimum_nprobes(self, minimum_nprobes: int) -> Self:
+        """Set the minimum number of probes to use.
+
+        See `nprobes` for more details.
+
+        These partitions will be searched on every indexed vector query and will
+        increase recall at the expense of latency.
+        """
+        self._inner.minimum_nprobes(minimum_nprobes)
+        return self
+
+    def maximum_nprobes(self, maximum_nprobes: int) -> Self:
+        """Set the maximum number of probes to use.
+
+        See `nprobes` for more details.
+
+        If this value is greater than `minimum_nprobes` then the excess partitions
+        will be searched only if we have not found enough results.
+
+        This can be useful when there is a narrow filter to allow these queries to
+        spend more time searching and avoid potential false negatives.
+
+        If this value is 0 then no limit will be applied and all partitions could be
+        searched if needed to satisfy the limit.
+        """
+        self._inner.maximum_nprobes(maximum_nprobes)
+        return self
+
     def distance_range(
         self, lower_bound: Optional[float] = None, upper_bound: Optional[float] = None
     ) -> Self:
@@ -2835,7 +2933,7 @@ class AsyncVectorQuery(AsyncQueryBase, AsyncVectorQueryBase):
                 self._inner.nearest_to_text({"query": query, "columns": columns})
             )
         # FullTextQuery object
-        return AsyncHybridQuery(self._inner.nearest_to_text({"query": query.to_dict()}))
+        return AsyncHybridQuery(self._inner.nearest_to_text({"query": query}))
 
     async def to_batches(
         self,
@@ -2950,15 +3048,21 @@ class AsyncHybridQuery(AsyncQueryBase, AsyncVectorQueryBase):
         >>> asyncio.run(doctest_example()) # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE
         Vector Search Plan:
         ProjectionExec: expr=[vector@0 as vector, text@3 as text, _distance@2 as _distance]
-            Take: columns="vector, _rowid, _distance, (text)"
-                CoalesceBatchesExec: target_batch_size=1024
-                GlobalLimitExec: skip=0, fetch=10
-                    FilterExec: _distance@2 IS NOT NULL
-                    SortExec: TopK(fetch=10), expr=[_distance@2 ASC NULLS LAST], preserve_partitioning=[false]
-                        KNNVectorDistance: metric=l2
-                        LanceScan: uri=..., projection=[vector], row_id=true, row_addr=false, ordered=false
+          Take: columns="vector, _rowid, _distance, (text)"
+            CoalesceBatchesExec: target_batch_size=1024
+              GlobalLimitExec: skip=0, fetch=10
+                FilterExec: _distance@2 IS NOT NULL
+                  SortExec: TopK(fetch=10), expr=[_distance@2 ASC NULLS LAST], preserve_partitioning=[false]
+                    KNNVectorDistance: metric=l2
+                      LanceScan: uri=..., projection=[vector], row_id=true, row_addr=false, ordered=false
+        <BLANKLINE>
         FTS Search Plan:
-        LanceScan: uri=..., projection=[vector, text], row_id=false, row_addr=false, ordered=true
+        ProjectionExec: expr=[vector@2 as vector, text@3 as text, _score@1 as _score]
+          Take: columns="_rowid, _score, (vector), (text)"
+            CoalesceBatchesExec: target_batch_size=1024
+              GlobalLimitExec: skip=0, fetch=10
+                MatchQuery: query=hello
+        <BLANKLINE>
 
         Parameters
         ----------

python/python/lancedb/remote/table.py

@@ -18,7 +18,7 @@ from lancedb._lancedb import (
     UpdateResult,
 )
 from lancedb.embeddings.base import EmbeddingFunctionConfig
-from lancedb.index import FTS, BTree, Bitmap, HnswPq, HnswSq, IvfFlat, IvfPq, LabelList
+from lancedb.index import FTS, BTree, Bitmap, HnswSq, IvfFlat, IvfPq, LabelList
 from lancedb.remote.db import LOOP
 import pyarrow as pa
 
@@ -89,7 +89,7 @@ class RemoteTable(Table):
 
     def to_pandas(self):
         """to_pandas() is not yet supported on LanceDB cloud."""
-        return NotImplementedError("to_pandas() is not yet supported on LanceDB cloud.")
+        raise NotImplementedError("to_pandas() is not yet supported on LanceDB cloud.")
 
     def checkout(self, version: Union[int, str]):
         return LOOP.run(self._table.checkout(version))
@@ -158,6 +158,9 @@ class RemoteTable(Table):
         stem: bool = True,
         remove_stop_words: bool = True,
         ascii_folding: bool = True,
+        ngram_min_length: int = 3,
+        ngram_max_length: int = 3,
+        prefix_only: bool = False,
     ):
         config = FTS(
             with_position=with_position,
@@ -168,6 +171,9 @@ class RemoteTable(Table):
             stem=stem,
             remove_stop_words=remove_stop_words,
             ascii_folding=ascii_folding,
+            ngram_min_length=ngram_min_length,
+            ngram_max_length=ngram_max_length,
+            prefix_only=prefix_only,
         )
         LOOP.run(
             self._table.create_index(
@@ -186,6 +192,8 @@ class RemoteTable(Table):
         accelerator: Optional[str] = None,
         index_type="vector",
         wait_timeout: Optional[timedelta] = None,
+        *,
+        num_bits: int = 8,
     ):
         """Create an index on the table.
         Currently, the only parameters that matter are
@@ -220,11 +228,6 @@ class RemoteTable(Table):
         >>> table.create_index("l2", "vector") # doctest: +SKIP
         """
 
-        if num_partitions is not None:
-            logging.warning(
-                "num_partitions is not supported on LanceDB cloud."
-                "This parameter will be tuned automatically."
-            )
         if num_sub_vectors is not None:
             logging.warning(
                 "num_sub_vectors is not supported on LanceDB cloud."
@@ -244,13 +247,21 @@ class RemoteTable(Table):
 
         index_type = index_type.upper()
         if index_type == "VECTOR" or index_type == "IVF_PQ":
-            config = IvfPq(distance_type=metric)
+            config = IvfPq(
+                distance_type=metric,
+                num_partitions=num_partitions,
+                num_sub_vectors=num_sub_vectors,
+                num_bits=num_bits,
+            )
         elif index_type == "IVF_HNSW_PQ":
-            config = HnswPq(distance_type=metric)
+            raise ValueError(
+                "IVF_HNSW_PQ is not supported on LanceDB cloud."
+                "Please use IVF_HNSW_SQ instead."
+            )
         elif index_type == "IVF_HNSW_SQ":
-            config = HnswSq(distance_type=metric)
+            config = HnswSq(distance_type=metric, num_partitions=num_partitions)
         elif index_type == "IVF_FLAT":
-            config = IvfFlat(distance_type=metric)
+            config = IvfFlat(distance_type=metric, num_partitions=num_partitions)
         else:
             raise ValueError(
                 f"Unknown vector index type: {index_type}. Valid options are"

python/python/lancedb/rerankers/answerdotai.py

@@ -74,9 +74,7 @@ class AnswerdotaiRerankers(Reranker):
         if self.score == "relevance":
             combined_results = self._keep_relevance_score(combined_results)
         elif self.score == "all":
-            raise NotImplementedError(
-                "Answerdotai Reranker does not support score='all' yet"
-            )
+            combined_results = self._merge_and_keep_scores(vector_results, fts_results)
         combined_results = combined_results.sort_by(
             [("_relevance_score", "descending")]
         )

python/python/lancedb/rerankers/base.py

@@ -232,6 +232,39 @@ class Reranker(ABC):
 
         return deduped_table
 
+    def _merge_and_keep_scores(self, vector_results: pa.Table, fts_results: pa.Table):
+        """
+        Merge the results from the vector and FTS search and keep the scores.
+        This op is slower than just keeping relevance score but can be useful
+        for debugging.
+        """
+        # add nulls to fts results for _distance
+        if "_distance" not in fts_results.column_names:
+            fts_results = fts_results.append_column(
+                "_distance",
+                pa.array([None] * len(fts_results), type=pa.float32()),
+            )
+        # add nulls to vector results for _score
+        if "_score" not in vector_results.column_names:
+            vector_results = vector_results.append_column(
+                "_score",
+                pa.array([None] * len(vector_results), type=pa.float32()),
+            )
+
+        # combine them and fill the scores
+        vector_results_dict = {row["_rowid"]: row for row in vector_results.to_pylist()}
+        fts_results_dict = {row["_rowid"]: row for row in fts_results.to_pylist()}
+
+        # merge them into vector_results
+        for key, value in fts_results_dict.items():
+            if key in vector_results_dict:
+                vector_results_dict[key]["_score"] = value["_score"]
+            else:
+                vector_results_dict[key] = value
+
+        combined = pa.Table.from_pylist(list(vector_results_dict.values()))
+        return combined
+
     def _keep_relevance_score(self, combined_results: pa.Table):
         if self.score == "relevance":
             if "_score" in combined_results.column_names:

python/python/lancedb/rerankers/cohere.py

@@ -92,14 +92,14 @@ class CohereReranker(Reranker):
         vector_results: pa.Table,
         fts_results: pa.Table,
     ):
-        combined_results = self.merge_results(vector_results, fts_results)
+        if self.score == "all":
+            combined_results = self._merge_and_keep_scores(vector_results, fts_results)
+        else:
+            combined_results = self.merge_results(vector_results, fts_results)
         combined_results = self._rerank(combined_results, query)
         if self.score == "relevance":
             combined_results = self._keep_relevance_score(combined_results)
-        elif self.score == "all":
-            raise NotImplementedError(
-                "return_score='all' not implemented for cohere reranker"
-            )
+
         return combined_results
 
     def rerank_vector(self, query: str, vector_results: pa.Table):

python/python/lancedb/rerankers/cross_encoder.py

@@ -81,15 +81,15 @@ class CrossEncoderReranker(Reranker):
         vector_results: pa.Table,
         fts_results: pa.Table,
     ):
-        combined_results = self.merge_results(vector_results, fts_results)
+        if self.score == "all":
+            combined_results = self._merge_and_keep_scores(vector_results, fts_results)
+        else:
+            combined_results = self.merge_results(vector_results, fts_results)
         combined_results = self._rerank(combined_results, query)
         # sort the results by _score
         if self.score == "relevance":
             combined_results = self._keep_relevance_score(combined_results)
-        elif self.score == "all":
-            raise NotImplementedError(
-                "return_score='all' not implemented for CrossEncoderReranker"
-            )
+
         combined_results = combined_results.sort_by(
             [("_relevance_score", "descending")]
         )

python/python/lancedb/rerankers/jinaai.py

@@ -97,14 +97,14 @@ class JinaReranker(Reranker):
         vector_results: pa.Table,
         fts_results: pa.Table,
     ):
-        combined_results = self.merge_results(vector_results, fts_results)
+        if self.score == "all":
+            combined_results = self._merge_and_keep_scores(vector_results, fts_results)
+        else:
+            combined_results = self.merge_results(vector_results, fts_results)
         combined_results = self._rerank(combined_results, query)
         if self.score == "relevance":
             combined_results = self._keep_relevance_score(combined_results)
-        elif self.score == "all":
-            raise NotImplementedError(
-                "return_score='all' not implemented for JinaReranker"
-            )
+
         return combined_results
 
     def rerank_vector(self, query: str, vector_results: pa.Table):

python/python/lancedb/rerankers/openai.py

@@ -88,14 +88,13 @@ class OpenaiReranker(Reranker):
         vector_results: pa.Table,
         fts_results: pa.Table,
     ):
-        combined_results = self.merge_results(vector_results, fts_results)
+        if self.score == "all":
+            combined_results = self._merge_and_keep_scores(vector_results, fts_results)
+        else:
+            combined_results = self.merge_results(vector_results, fts_results)
         combined_results = self._rerank(combined_results, query)
         if self.score == "relevance":
             combined_results = self._keep_relevance_score(combined_results)
-        elif self.score == "all":
-            raise NotImplementedError(
-                "OpenAI Reranker does not support score='all' yet"
-            )
 
         combined_results = combined_results.sort_by(
             [("_relevance_score", "descending")]

python/python/lancedb/rerankers/voyageai.py

@@ -94,14 +94,14 @@ class VoyageAIReranker(Reranker):
         vector_results: pa.Table,
         fts_results: pa.Table,
     ):
-        combined_results = self.merge_results(vector_results, fts_results)
+        if self.score == "all":
+            combined_results = self._merge_and_keep_scores(vector_results, fts_results)
+        else:
+            combined_results = self.merge_results(vector_results, fts_results)
         combined_results = self._rerank(combined_results, query)
         if self.score == "relevance":
             combined_results = self._keep_relevance_score(combined_results)
-        elif self.score == "all":
-            raise NotImplementedError(
-                "return_score='all' not implemented for voyageai reranker"
-            )
+
         return combined_results
 
     def rerank_vector(self, query: str, vector_results: pa.Table):

python/python/lancedb/table.py

@@ -827,7 +827,7 @@ class Table(ABC):
         ordering_field_names: Optional[Union[str, List[str]]] = None,
         replace: bool = False,
         writer_heap_size: Optional[int] = 1024 * 1024 * 1024,
-        use_tantivy: bool = True,
+        use_tantivy: bool = False,
         tokenizer_name: Optional[str] = None,
         with_position: bool = False,
         # tokenizer configs:
@@ -838,6 +838,9 @@ class Table(ABC):
         stem: bool = True,
         remove_stop_words: bool = True,
         ascii_folding: bool = True,
+        ngram_min_length: int = 3,
+        ngram_max_length: int = 3,
+        prefix_only: bool = False,
         wait_timeout: Optional[timedelta] = None,
     ):
         """Create a full-text search index on the table.
@@ -864,7 +867,7 @@ class Table(ABC):
             The tokenizer to use for the index. Can be "raw", "default" or the 2 letter
             language code followed by "_stem". So for english it would be "en_stem".
             For available languages see: https://docs.rs/tantivy/latest/tantivy/tokenizer/enum.Language.html
-        use_tantivy: bool, default True
+        use_tantivy: bool, default False
             If True, use the legacy full-text search implementation based on tantivy.
             If False, use the new full-text search implementation based on lance-index.
         with_position: bool, default False
@@ -877,6 +880,7 @@ class Table(ABC):
             - "simple": Splits text by whitespace and punctuation.
             - "whitespace": Split text by whitespace, but not punctuation.
             - "raw": No tokenization. The entire text is treated as a single token.
+            - "ngram": N-Gram tokenizer.
         language : str, default "English"
             The language to use for tokenization.
         max_token_length : int, default 40
@@ -894,6 +898,12 @@ class Table(ABC):
         ascii_folding : bool, default True
             Whether to fold ASCII characters. This converts accented characters to
             their ASCII equivalent. For example, "café" would be converted to "cafe".
+        ngram_min_length: int, default 3
+            The minimum length of an n-gram.
+        ngram_max_length: int, default 3
+            The maximum length of an n-gram.
+        prefix_only: bool, default False
+            Whether to only index the prefix of the token for ngram tokenizer.
         wait_timeout: timedelta, optional
             The timeout to wait if indexing is asynchronous.
         """
@@ -1970,7 +1980,7 @@ class LanceTable(Table):
         ordering_field_names: Optional[Union[str, List[str]]] = None,
         replace: bool = False,
         writer_heap_size: Optional[int] = 1024 * 1024 * 1024,
-        use_tantivy: bool = True,
+        use_tantivy: bool = False,
         tokenizer_name: Optional[str] = None,
         with_position: bool = False,
         # tokenizer configs:
@@ -1981,6 +1991,9 @@ class LanceTable(Table):
         stem: bool = True,
         remove_stop_words: bool = True,
         ascii_folding: bool = True,
+        ngram_min_length: int = 3,
+        ngram_max_length: int = 3,
+        prefix_only: bool = False,
     ):
         if not use_tantivy:
             if not isinstance(field_names, str):
@@ -1996,6 +2009,9 @@ class LanceTable(Table):
                     "stem": stem,
                     "remove_stop_words": remove_stop_words,
                     "ascii_folding": ascii_folding,
+                    "ngram_min_length": ngram_min_length,
+                    "ngram_max_length": ngram_max_length,
+                    "prefix_only": prefix_only,
                 }
             else:
                 tokenizer_configs = self.infer_tokenizer_configs(tokenizer_name)
@@ -2065,6 +2081,9 @@ class LanceTable(Table):
                 "stem": False,
                 "remove_stop_words": False,
                 "ascii_folding": False,
+                "ngram_min_length": 3,
+                "ngram_max_length": 3,
+                "prefix_only": False,
             }
         elif tokenizer_name == "raw":
             return {
@@ -2075,6 +2094,9 @@ class LanceTable(Table):
                 "stem": False,
                 "remove_stop_words": False,
                 "ascii_folding": False,
+                "ngram_min_length": 3,
+                "ngram_max_length": 3,
+                "prefix_only": False,
             }
         elif tokenizer_name == "whitespace":
             return {
@@ -2085,6 +2107,9 @@ class LanceTable(Table):
                 "stem": False,
                 "remove_stop_words": False,
                 "ascii_folding": False,
+                "ngram_min_length": 3,
+                "ngram_max_length": 3,
+                "prefix_only": False,
             }
 
         # or it's with language stemming with pattern like "en_stem"
@@ -2103,6 +2128,9 @@ class LanceTable(Table):
             "stem": True,
             "remove_stop_words": False,
             "ascii_folding": False,
+            "ngram_min_length": 3,
+            "ngram_max_length": 3,
+            "prefix_only": False,
         }
 
     def add(
@@ -3637,8 +3665,10 @@ class AsyncTable:
             )
             if query.distance_type is not None:
                 async_query = async_query.distance_type(query.distance_type)
-            if query.nprobes is not None:
-                async_query = async_query.nprobes(query.nprobes)
+            if query.minimum_nprobes is not None:
+                async_query = async_query.minimum_nprobes(query.minimum_nprobes)
+            if query.maximum_nprobes is not None:
+                async_query = async_query.maximum_nprobes(query.maximum_nprobes)
             if query.refine_factor is not None:
                 async_query = async_query.refine_factor(query.refine_factor)
             if query.vector_column:

python/python/lancedb/types.py

@@ -25,4 +25,4 @@ IndexType = Literal[
 ]
 
 # Tokenizer literals
-BaseTokenizerType = Literal["simple", "raw", "whitespace"]
+BaseTokenizerType = Literal["simple", "raw", "whitespace", "ngram"]

python/python/tests/docs/test_search.py

@@ -6,7 +6,7 @@ import lancedb
 
 # --8<-- [end:import-lancedb]
 # --8<-- [start:import-numpy]
-from lancedb.query import BoostQuery, MatchQuery
+from lancedb.query import BooleanQuery, BoostQuery, MatchQuery, Occur
 import numpy as np
 import pyarrow as pa
 
@@ -191,6 +191,15 @@ def test_fts_fuzzy_query():
         "food",  # 1 insertion
     }
 
+    results = table.search(
+        MatchQuery("foo", "text", fuzziness=1, prefix_length=3)
+    ).to_pandas()
+    assert len(results) == 2
+    assert set(results["text"].to_list()) == {
+        "foo",
+        "food",
+    }
+
 
 @pytest.mark.skipif(
     os.name == "nt", reason="Need to fix https://github.com/lancedb/lance/issues/3905"
@@ -240,6 +249,60 @@ def test_fts_boost_query():
     )
 
 
+@pytest.mark.skipif(
+    os.name == "nt", reason="Need to fix https://github.com/lancedb/lance/issues/3905"
+)
+def test_fts_boolean_query(tmp_path):
+    uri = tmp_path / "boolean-example"
+    db = lancedb.connect(uri)
+    table = db.create_table(
+        "my_table_fts_boolean",
+        data=[
+            {"text": "The cat and dog are playing"},
+            {"text": "The cat is sleeping"},
+            {"text": "The dog is barking"},
+            {"text": "The dog chases the cat"},
+        ],
+        mode="overwrite",
+    )
+    table.create_fts_index("text", use_tantivy=False, replace=True)
+
+    # SHOULD
+    results = table.search(
+        MatchQuery("cat", "text") | MatchQuery("dog", "text")
+    ).to_pandas()
+    assert len(results) == 4
+    assert set(results["text"].to_list()) == {
+        "The cat and dog are playing",
+        "The cat is sleeping",
+        "The dog is barking",
+        "The dog chases the cat",
+    }
+    # MUST
+    results = table.search(
+        MatchQuery("cat", "text") & MatchQuery("dog", "text")
+    ).to_pandas()
+    assert len(results) == 2
+    assert set(results["text"].to_list()) == {
+        "The cat and dog are playing",
+        "The dog chases the cat",
+    }
+
+    # MUST NOT
+    results = table.search(
+        BooleanQuery(
+            [
+                (Occur.MUST, MatchQuery("cat", "text")),
+                (Occur.MUST_NOT, MatchQuery("dog", "text")),
+            ]
+        )
+    ).to_pandas()
+    assert len(results) == 1
+    assert set(results["text"].to_list()) == {
+        "The cat is sleeping",
+    }
+
+
 @pytest.mark.skipif(
     os.name == "nt", reason="Need to fix https://github.com/lancedb/lance/issues/3905"
 )

python/python/tests/test_fts.py

@@ -215,6 +215,19 @@ def test_search_fts(table, use_tantivy):
         assert len(results) == 5
         assert len(results[0]) == 3  # id, text, _score
 
+        # Test boolean query
+        results = (
+            table.search(MatchQuery("puppy", "text") & MatchQuery("runs", "text"))
+            .select(["id", "text"])
+            .limit(5)
+            .to_list()
+        )
+        assert len(results) == 5
+        assert len(results[0]) == 3  # id, text, _score
+        for r in results:
+            assert "puppy" in r["text"]
+            assert "runs" in r["text"]
+
 
 @pytest.mark.asyncio
 async def test_fts_select_async(async_table):
@@ -656,3 +669,46 @@ def test_fts_on_list(mem_db: DBConnection):
 
     res = table.search(PhraseQuery("lance database", "text")).limit(5).to_list()
     assert len(res) == 2
+
+
+def test_fts_ngram(mem_db: DBConnection):
+    data = pa.table({"text": ["hello world", "lance database", "lance is cool"]})
+    table = mem_db.create_table("test", data=data)
+    table.create_fts_index("text", use_tantivy=False, base_tokenizer="ngram")
+
+    results = table.search("lan", query_type="fts").limit(10).to_list()
+    assert len(results) == 2
+    assert set(r["text"] for r in results) == {"lance database", "lance is cool"}
+
+    results = (
+        table.search("nce", query_type="fts").limit(10).to_list()
+    )  # spellchecker:disable-line
+    assert len(results) == 2
+    assert set(r["text"] for r in results) == {"lance database", "lance is cool"}
+
+    # the default min_ngram_length is 3, so "la" should not match
+    results = table.search("la", query_type="fts").limit(10).to_list()
+    assert len(results) == 0
+
+    # test setting min_ngram_length and prefix_only
+    table.create_fts_index(
+        "text",
+        use_tantivy=False,
+        base_tokenizer="ngram",
+        replace=True,
+        ngram_min_length=2,
+        prefix_only=True,
+    )
+
+    results = table.search("lan", query_type="fts").limit(10).to_list()
+    assert len(results) == 2
+    assert set(r["text"] for r in results) == {"lance database", "lance is cool"}
+
+    results = (
+        table.search("nce", query_type="fts").limit(10).to_list()
+    )  # spellchecker:disable-line
+    assert len(results) == 0
+
+    results = table.search("la", query_type="fts").limit(10).to_list()
+    assert len(results) == 2
+    assert set(r["text"] for r in results) == {"lance database", "lance is cool"}

python/python/tests/test_query.py

@@ -25,6 +25,8 @@ from lancedb.query import (
     AsyncQueryBase,
     AsyncVectorQuery,
     LanceVectorQueryBuilder,
+    MatchQuery,
+    PhraseQuery,
     Query,
     FullTextSearchQuery,
 )
@@ -270,7 +272,9 @@ async def test_distance_range_with_new_rows_async():
     # append more rows so that execution plan would be mixed with ANN & Flat KNN
     new_data = pa.table(
         {
-            "vector": pa.FixedShapeTensorArray.from_numpy_ndarray(np.random.rand(4, 2)),
+            "vector": pa.FixedShapeTensorArray.from_numpy_ndarray(
+                np.random.rand(4, 2) + 1
+            ),
         }
     )
     await table.add(new_data)
@@ -437,6 +441,33 @@ def test_query_builder_with_filter(table):
     assert all(np.array(rs[0]["vector"]) == [3, 4])
 
 
+def test_invalid_nprobes_sync(table):
+    with pytest.raises(ValueError, match="minimum_nprobes must be greater than 0"):
+        LanceVectorQueryBuilder(table, [0, 0], "vector").minimum_nprobes(0).to_list()
+    with pytest.raises(
+        ValueError, match="maximum_nprobes must be greater than minimum_nprobes"
+    ):
+        LanceVectorQueryBuilder(table, [0, 0], "vector").maximum_nprobes(5).to_list()
+    with pytest.raises(
+        ValueError, match="minimum_nprobes must be less or equal to maximum_nprobes"
+    ):
+        LanceVectorQueryBuilder(table, [0, 0], "vector").minimum_nprobes(100).to_list()
+
+
+@pytest.mark.asyncio
+async def test_invalid_nprobes_async(table_async: AsyncTable):
+    with pytest.raises(ValueError, match="minimum_nprobes must be greater than 0"):
+        await table_async.vector_search([0, 0]).minimum_nprobes(0).to_list()
+    with pytest.raises(
+        ValueError, match="maximum_nprobes must be greater than minimum_nprobes"
+    ):
+        await table_async.vector_search([0, 0]).maximum_nprobes(5).to_list()
+    with pytest.raises(
+        ValueError, match="minimum_nprobes must be less or equal to maximum_nprobes"
+    ):
+        await table_async.vector_search([0, 0]).minimum_nprobes(100).to_list()
+
+
 def test_query_builder_with_prefilter(table):
     df = (
         LanceVectorQueryBuilder(table, [0, 0], "vector")
@@ -583,6 +614,21 @@ async def test_query_async(table_async: AsyncTable):
         table_async.query().nearest_to(pa.array([1, 2])).nprobes(10),
         expected_num_rows=2,
     )
+    await check_query(
+        table_async.query().nearest_to(pa.array([1, 2])).minimum_nprobes(10),
+        expected_num_rows=2,
+    )
+    await check_query(
+        table_async.query().nearest_to(pa.array([1, 2])).maximum_nprobes(30),
+        expected_num_rows=2,
+    )
+    await check_query(
+        table_async.query()
+        .nearest_to(pa.array([1, 2]))
+        .minimum_nprobes(10)
+        .maximum_nprobes(20),
+        expected_num_rows=2,
+    )
     await check_query(
         table_async.query().nearest_to(pa.array([1, 2])).bypass_vector_index(),
         expected_num_rows=2,
@@ -731,6 +777,82 @@ async def test_explain_plan_async(table_async: AsyncTable):
     assert "KNN" in plan
 
 
+@pytest.mark.asyncio
+async def test_explain_plan_fts(table_async: AsyncTable):
+    """Test explain plan for FTS queries"""
+    # Create FTS index
+    from lancedb.index import FTS
+
+    await table_async.create_index("text", config=FTS())
+
+    # Test pure FTS query
+    query = await table_async.search("dog", query_type="fts", fts_columns="text")
+    plan = await query.explain_plan()
+    # Should show FTS details (issue #2465 is now fixed)
+    assert "MatchQuery: query=dog" in plan
+    assert "GlobalLimitExec" in plan  # Default limit
+
+    # Test FTS query with limit
+    query_with_limit = await table_async.search(
+        "dog", query_type="fts", fts_columns="text"
+    )
+    plan_with_limit = await query_with_limit.limit(1).explain_plan()
+    assert "MatchQuery: query=dog" in plan_with_limit
+    assert "GlobalLimitExec: skip=0, fetch=1" in plan_with_limit
+
+    # Test FTS query with offset and limit
+    query_with_offset = await table_async.search(
+        "dog", query_type="fts", fts_columns="text"
+    )
+    plan_with_offset = await query_with_offset.offset(1).limit(1).explain_plan()
+    assert "MatchQuery: query=dog" in plan_with_offset
+    assert "GlobalLimitExec: skip=1, fetch=1" in plan_with_offset
+
+
+@pytest.mark.asyncio
+async def test_explain_plan_vector_with_limit_offset(table_async: AsyncTable):
+    """Test explain plan for vector queries with limit and offset"""
+    # Test vector query with limit
+    plan_with_limit = await (
+        table_async.query().nearest_to(pa.array([1, 2])).limit(1).explain_plan()
+    )
+    assert "KNN" in plan_with_limit
+    assert "GlobalLimitExec: skip=0, fetch=1" in plan_with_limit
+
+    # Test vector query with offset and limit
+    plan_with_offset = await (
+        table_async.query()
+        .nearest_to(pa.array([1, 2]))
+        .offset(1)
+        .limit(1)
+        .explain_plan()
+    )
+    assert "KNN" in plan_with_offset
+    assert "GlobalLimitExec: skip=1, fetch=1" in plan_with_offset
+
+
+@pytest.mark.asyncio
+async def test_explain_plan_with_filters(table_async: AsyncTable):
+    """Test explain plan for queries with filters"""
+    # Test vector query with filter
+    plan_with_filter = await (
+        table_async.query().nearest_to(pa.array([1, 2])).where("id = 1").explain_plan()
+    )
+    assert "KNN" in plan_with_filter
+    assert "FilterExec" in plan_with_filter
+
+    # Test FTS query with filter
+    from lancedb.index import FTS
+
+    await table_async.create_index("text", config=FTS())
+    query_fts_filter = await table_async.search(
+        "dog", query_type="fts", fts_columns="text"
+    )
+    plan_fts_filter = await query_fts_filter.where("id = 1").explain_plan()
+    assert "MatchQuery: query=dog" in plan_fts_filter
+    assert "FilterExec: id@" in plan_fts_filter  # Should show filter details
+
+
 @pytest.mark.asyncio
 async def test_query_camelcase_async(tmp_path):
     db = await lancedb.connect_async(tmp_path)
@@ -909,7 +1031,39 @@ def test_query_serialization_sync(table: lancedb.table.Table):
 
     q = table.search([5.0, 6.0]).nprobes(10).refine_factor(5).to_query_object()
     check_set_props(
-        q, vector_column="vector", vector=[5.0, 6.0], nprobes=10, refine_factor=5
+        q,
+        vector_column="vector",
+        vector=[5.0, 6.0],
+        minimum_nprobes=10,
+        maximum_nprobes=10,
+        refine_factor=5,
+    )
+
+    q = table.search([5.0, 6.0]).minimum_nprobes(10).to_query_object()
+    check_set_props(
+        q,
+        vector_column="vector",
+        vector=[5.0, 6.0],
+        minimum_nprobes=10,
+        maximum_nprobes=None,
+    )
+
+    q = table.search([5.0, 6.0]).nprobes(50).to_query_object()
+    check_set_props(
+        q,
+        vector_column="vector",
+        vector=[5.0, 6.0],
+        minimum_nprobes=50,
+        maximum_nprobes=50,
+    )
+
+    q = table.search([5.0, 6.0]).maximum_nprobes(10).to_query_object()
+    check_set_props(
+        q,
+        vector_column="vector",
+        vector=[5.0, 6.0],
+        maximum_nprobes=10,
+        minimum_nprobes=None,
     )
 
     q = table.search([5.0, 6.0]).distance_range(0.0, 1.0).to_query_object()
@@ -961,7 +1115,8 @@ async def test_query_serialization_async(table_async: AsyncTable):
         limit=10,
         vector=sample_vector,
         postfilter=False,
-        nprobes=20,
+        minimum_nprobes=20,
+        maximum_nprobes=20,
         with_row_id=False,
         bypass_vector_index=False,
     )
@@ -971,7 +1126,20 @@ async def test_query_serialization_async(table_async: AsyncTable):
         q,
         vector=sample_vector,
         postfilter=False,
-        nprobes=20,
+        minimum_nprobes=20,
+        maximum_nprobes=20,
+        with_row_id=False,
+        bypass_vector_index=False,
+        limit=10,
+    )
+
+    q = (await table_async.search([5.0, 6.0])).nprobes(50).to_query_object()
+    check_set_props(
+        q,
+        vector=sample_vector,
+        postfilter=False,
+        minimum_nprobes=50,
+        maximum_nprobes=50,
         with_row_id=False,
         bypass_vector_index=False,
         limit=10,
@@ -990,7 +1158,8 @@ async def test_query_serialization_async(table_async: AsyncTable):
         filter="id = 1",
         postfilter=True,
         vector=sample_vector,
-        nprobes=20,
+        minimum_nprobes=20,
+        maximum_nprobes=20,
         with_row_id=False,
         bypass_vector_index=False,
     )
@@ -1004,7 +1173,8 @@ async def test_query_serialization_async(table_async: AsyncTable):
     check_set_props(
         q,
         vector=sample_vector,
-        nprobes=10,
+        minimum_nprobes=10,
+        maximum_nprobes=10,
         refine_factor=5,
         postfilter=False,
         with_row_id=False,
@@ -1012,6 +1182,18 @@ async def test_query_serialization_async(table_async: AsyncTable):
         limit=10,
     )
 
+    q = (await table_async.search([5.0, 6.0])).minimum_nprobes(5).to_query_object()
+    check_set_props(
+        q,
+        vector=sample_vector,
+        minimum_nprobes=5,
+        maximum_nprobes=20,
+        postfilter=False,
+        with_row_id=False,
+        bypass_vector_index=False,
+        limit=10,
+    )
+
     q = (
         (await table_async.search([5.0, 6.0]))
         .distance_range(0.0, 1.0)
@@ -1023,7 +1205,8 @@ async def test_query_serialization_async(table_async: AsyncTable):
         lower_bound=0.0,
         upper_bound=1.0,
         postfilter=False,
-        nprobes=20,
+        minimum_nprobes=20,
+        maximum_nprobes=20,
         with_row_id=False,
         bypass_vector_index=False,
         limit=10,
@@ -1035,7 +1218,8 @@ async def test_query_serialization_async(table_async: AsyncTable):
         distance_type="cosine",
         vector=sample_vector,
         postfilter=False,
-        nprobes=20,
+        minimum_nprobes=20,
+        maximum_nprobes=20,
         with_row_id=False,
         bypass_vector_index=False,
         limit=10,
@@ -1047,7 +1231,8 @@ async def test_query_serialization_async(table_async: AsyncTable):
         ef=7,
         vector=sample_vector,
         postfilter=False,
-        nprobes=20,
+        minimum_nprobes=20,
+        maximum_nprobes=20,
         with_row_id=False,
         bypass_vector_index=False,
         limit=10,
@@ -1059,24 +1244,34 @@ async def test_query_serialization_async(table_async: AsyncTable):
         bypass_vector_index=True,
         vector=sample_vector,
         postfilter=False,
-        nprobes=20,
+        minimum_nprobes=20,
+        maximum_nprobes=20,
         with_row_id=False,
         limit=10,
     )
 
     # FTS queries
-    q = (await table_async.search("foo")).limit(10).to_query_object()
+    match_query = MatchQuery("foo", "text")
+    q = (await table_async.search(match_query)).limit(10).to_query_object()
     check_set_props(
         q,
         limit=10,
-        full_text_query=FullTextSearchQuery(columns=[], query="foo"),
+        full_text_query=FullTextSearchQuery(columns=None, query=match_query),
         with_row_id=False,
     )
 
-    q = (await table_async.search("foo", query_type="fts")).to_query_object()
+    q = (await table_async.search(match_query)).to_query_object()
     check_set_props(
         q,
-        full_text_query=FullTextSearchQuery(columns=[], query="foo"),
+        full_text_query=FullTextSearchQuery(columns=None, query=match_query),
+        with_row_id=False,
+    )
+
+    phrase_query = PhraseQuery("foo", "text", slop=1)
+    q = (await table_async.search(phrase_query)).to_query_object()
+    check_set_props(
+        q,
+        full_text_query=FullTextSearchQuery(columns=None, query=phrase_query),
         with_row_id=False,
     )
 

python/python/tests/test_remote_db.py

@@ -210,6 +210,25 @@ async def test_retry_error():
         assert cause.status_code == 429
 
 
+def test_table_unimplemented_functions():
+    def handler(request):
+        if request.path == "/v1/table/test/create/?mode=create":
+            request.send_response(200)
+            request.send_header("Content-Type", "application/json")
+            request.end_headers()
+            request.wfile.write(b"{}")
+        else:
+            request.send_response(404)
+            request.end_headers()
+
+    with mock_lancedb_connection(handler) as db:
+        table = db.create_table("test", [{"id": 1}])
+        with pytest.raises(NotImplementedError):
+            table.to_arrow()
+        with pytest.raises(NotImplementedError):
+            table.to_pandas()
+
+
 def test_table_add_in_threadpool():
     def handler(request):
         if request.path == "/v1/table/test/insert/":
@@ -496,6 +515,8 @@ def test_query_sync_minimal():
             "ef": None,
             "vector": [1.0, 2.0, 3.0],
             "nprobes": 20,
+            "minimum_nprobes": 20,
+            "maximum_nprobes": 20,
             "version": None,
         }
 
@@ -536,6 +557,8 @@ def test_query_sync_maximal():
             "refine_factor": 10,
             "vector": [1.0, 2.0, 3.0],
             "nprobes": 5,
+            "minimum_nprobes": 5,
+            "maximum_nprobes": 5,
             "lower_bound": None,
             "upper_bound": None,
             "ef": None,
@@ -564,6 +587,66 @@ def test_query_sync_maximal():
         )
 
 
+def test_query_sync_nprobes():
+    def handler(body):
+        assert body == {
+            "distance_type": "l2",
+            "k": 10,
+            "prefilter": True,
+            "fast_search": True,
+            "vector_column": "vector2",
+            "refine_factor": None,
+            "lower_bound": None,
+            "upper_bound": None,
+            "ef": None,
+            "vector": [1.0, 2.0, 3.0],
+            "nprobes": 5,
+            "minimum_nprobes": 5,
+            "maximum_nprobes": 15,
+            "version": None,
+        }
+
+        return pa.table({"id": [1, 2, 3], "name": ["a", "b", "c"]})
+
+    with query_test_table(handler) as table:
+        (
+            table.search([1, 2, 3], vector_column_name="vector2", fast_search=True)
+            .minimum_nprobes(5)
+            .maximum_nprobes(15)
+            .to_list()
+        )
+
+
+def test_query_sync_no_max_nprobes():
+    def handler(body):
+        assert body == {
+            "distance_type": "l2",
+            "k": 10,
+            "prefilter": True,
+            "fast_search": True,
+            "vector_column": "vector2",
+            "refine_factor": None,
+            "lower_bound": None,
+            "upper_bound": None,
+            "ef": None,
+            "vector": [1.0, 2.0, 3.0],
+            "nprobes": 5,
+            "minimum_nprobes": 5,
+            "maximum_nprobes": 0,
+            "version": None,
+        }
+
+        return pa.table({"id": [1, 2, 3], "name": ["a", "b", "c"]})
+
+    with query_test_table(handler) as table:
+        (
+            table.search([1, 2, 3], vector_column_name="vector2", fast_search=True)
+            .minimum_nprobes(5)
+            .maximum_nprobes(0)
+            .to_list()
+        )
+
+
 @pytest.mark.parametrize("server_version", [Version("0.1.0"), Version("0.2.0")])
 def test_query_sync_batch_queries(server_version):
     def handler(body):
@@ -666,6 +749,8 @@ def test_query_sync_hybrid():
                 "refine_factor": None,
                 "vector": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
                 "nprobes": 20,
+                "minimum_nprobes": 20,
+                "maximum_nprobes": 20,
                 "lower_bound": None,
                 "upper_bound": None,
                 "ef": None,

python/python/tests/test_rerankers.py

@@ -499,3 +499,19 @@ def test_empty_result_reranker():
             .rerank(reranker)
             .to_arrow()
         )
+
+
+@pytest.mark.parametrize("use_tantivy", [True, False])
+def test_cross_encoder_reranker_return_all(tmp_path, use_tantivy):
+    pytest.importorskip("sentence_transformers")
+    reranker = CrossEncoderReranker(return_score="all")
+    table, schema = get_test_table(tmp_path, use_tantivy)
+    query = "single player experience"
+    result = (
+        table.search(query, query_type="hybrid", vector_column_name="vector")
+        .rerank(reranker=reranker)
+        .to_arrow()
+    )
+    assert "_relevance_score" in result.column_names
+    assert "_score" in result.column_names
+    assert "_distance" in result.column_names

python/python/tests/test_s3.py

@@ -245,7 +245,7 @@ def test_s3_dynamodb_sync(s3_bucket: str, commit_table: str, monkeypatch):
         NotImplementedError,
         match="Full-text search is only supported on the local filesystem",
     ):
-        table.create_fts_index("x")
+        table.create_fts_index("x", use_tantivy=True)
 
     # make sure list tables still works
     assert db.table_names() == ["test_ddb_sync"]

python/src/index.rs

@@ -47,7 +47,10 @@ pub fn extract_index_params(source: &Option<Bound<'_, PyAny>>) -> PyResult<Lance
                     .max_token_length(params.max_token_length)
                     .remove_stop_words(params.remove_stop_words)
                     .stem(params.stem)
-                    .ascii_folding(params.ascii_folding);
+                    .ascii_folding(params.ascii_folding)
+                    .ngram_min_length(params.ngram_min_length)
+                    .ngram_max_length(params.ngram_max_length)
+                    .ngram_prefix_only(params.prefix_only);
                 Ok(LanceDbIndex::FTS(inner_opts))
             },
             "IvfFlat" => {
@@ -130,6 +133,9 @@ struct FtsParams {
     stem: bool,
     remove_stop_words: bool,
     ascii_folding: bool,
+    ngram_min_length: u32,
+    ngram_max_length: u32,
+    prefix_only: bool,
 }
 
 #[derive(FromPyObject)]

python/src/query.rs

@@ -9,15 +9,16 @@ use arrow::array::Array;
 use arrow::array::ArrayData;
 use arrow::pyarrow::FromPyArrow;
 use arrow::pyarrow::IntoPyArrow;
-use lancedb::index::scalar::{FtsQuery, FullTextSearchQuery, MatchQuery, PhraseQuery};
+use lancedb::index::scalar::{
+    BooleanQuery, BoostQuery, FtsQuery, FullTextSearchQuery, MatchQuery, MultiMatchQuery, Occur,
+    Operator, PhraseQuery,
+};
 use lancedb::query::QueryExecutionOptions;
 use lancedb::query::QueryFilter;
 use lancedb::query::{
     ExecutableQuery, Query as LanceDbQuery, QueryBase, Select, VectorQuery as LanceDbVectorQuery,
 };
 use lancedb::table::AnyQuery;
-use pyo3::exceptions::PyRuntimeError;
-use pyo3::exceptions::{PyNotImplementedError, PyValueError};
 use pyo3::prelude::{PyAnyMethods, PyDictMethods};
 use pyo3::pymethods;
 use pyo3::types::PyList;
@@ -27,30 +28,172 @@ use pyo3::IntoPyObject;
 use pyo3::PyAny;
 use pyo3::PyRef;
 use pyo3::PyResult;
+use pyo3::{exceptions::PyRuntimeError, FromPyObject};
+use pyo3::{
+    exceptions::{PyNotImplementedError, PyValueError},
+    intern,
+};
 use pyo3::{pyclass, PyErr};
 use pyo3_async_runtimes::tokio::future_into_py;
 
-use crate::arrow::RecordBatchStream;
-use crate::error::PythonErrorExt;
-use crate::util::{parse_distance_type, parse_fts_query};
+use crate::util::parse_distance_type;
+use crate::{arrow::RecordBatchStream, util::PyLanceDB};
+use crate::{error::PythonErrorExt, index::class_name};
 
-// Python representation of full text search parameters
-#[derive(Clone)]
-#[pyclass(get_all)]
-pub struct PyFullTextSearchQuery {
-    pub columns: Vec<String>,
-    pub query: String,
-    pub limit: Option<i64>,
-    pub wand_factor: Option<f32>,
+impl FromPyObject<'_> for PyLanceDB<FtsQuery> {
+    fn extract_bound(ob: &Bound<'_, PyAny>) -> PyResult<Self> {
+        match class_name(ob)?.as_str() {
+            "MatchQuery" => {
+                let query = ob.getattr("query")?.extract()?;
+                let column = ob.getattr("column")?.extract()?;
+                let boost = ob.getattr("boost")?.extract()?;
+                let fuzziness = ob.getattr("fuzziness")?.extract()?;
+                let max_expansions = ob.getattr("max_expansions")?.extract()?;
+                let operator = ob.getattr("operator")?.extract::<String>()?;
+                let prefix_length = ob.getattr("prefix_length")?.extract()?;
+
+                Ok(Self(
+                    MatchQuery::new(query)
+                        .with_column(Some(column))
+                        .with_boost(boost)
+                        .with_fuzziness(fuzziness)
+                        .with_max_expansions(max_expansions)
+                        .with_operator(Operator::try_from(operator.as_str()).map_err(|e| {
+                            PyValueError::new_err(format!("Invalid operator: {}", e))
+                        })?)
+                        .with_prefix_length(prefix_length)
+                        .into(),
+                ))
+            }
+            "PhraseQuery" => {
+                let query = ob.getattr("query")?.extract()?;
+                let column = ob.getattr("column")?.extract()?;
+                let slop = ob.getattr("slop")?.extract()?;
+
+                Ok(Self(
+                    PhraseQuery::new(query)
+                        .with_column(Some(column))
+                        .with_slop(slop)
+                        .into(),
+                ))
+            }
+            "BoostQuery" => {
+                let positive: Self = ob.getattr("positive")?.extract()?;
+                let negative: Self = ob.getattr("negative")?.extract()?;
+                let negative_boost = ob.getattr("negative_boost")?.extract()?;
+                Ok(Self(
+                    BoostQuery::new(positive.0, negative.0, negative_boost).into(),
+                ))
+            }
+            "MultiMatchQuery" => {
+                let query = ob.getattr("query")?.extract()?;
+                let columns = ob.getattr("columns")?.extract()?;
+                let boosts: Option<Vec<f32>> = ob.getattr("boosts")?.extract()?;
+                let operator: String = ob.getattr("operator")?.extract()?;
+
+                let q = MultiMatchQuery::try_new(query, columns)
+                    .map_err(|e| PyValueError::new_err(format!("Invalid query: {}", e)))?;
+                let q = if let Some(boosts) = boosts {
+                    q.try_with_boosts(boosts)
+                        .map_err(|e| PyValueError::new_err(format!("Invalid boosts: {}", e)))?
+                } else {
+                    q
+                };
+
+                let op = Operator::try_from(operator.as_str())
+                    .map_err(|e| PyValueError::new_err(format!("Invalid operator: {}", e)))?;
+
+                Ok(Self(q.with_operator(op).into()))
+            }
+            "BooleanQuery" => {
+                let queries: Vec<(String, Self)> = ob.getattr("queries")?.extract()?;
+                let mut sub_queries = Vec::with_capacity(queries.len());
+                for (occur, q) in queries {
+                    let occur = Occur::try_from(occur.as_str())
+                        .map_err(|e| PyValueError::new_err(e.to_string()))?;
+                    sub_queries.push((occur, q.0));
+                }
+                Ok(Self(BooleanQuery::new(sub_queries).into()))
+            }
+            name => Err(PyValueError::new_err(format!(
+                "Unsupported FTS query type: {}",
+                name
+            ))),
+        }
+    }
 }
 
-impl From<FullTextSearchQuery> for PyFullTextSearchQuery {
-    fn from(query: FullTextSearchQuery) -> Self {
-        Self {
-            columns: query.columns().into_iter().collect(),
-            query: query.query.query().to_owned(),
-            limit: query.limit,
-            wand_factor: query.wand_factor,
+impl<'py> IntoPyObject<'py> for PyLanceDB<FtsQuery> {
+    type Target = PyAny;
+    type Output = Bound<'py, Self::Target>;
+    type Error = PyErr;
+
+    fn into_pyobject(self, py: pyo3::Python<'py>) -> PyResult<Self::Output> {
+        let namespace = py
+            .import(intern!(py, "lancedb"))
+            .and_then(|m| m.getattr(intern!(py, "query")))
+            .expect("Failed to import namespace");
+
+        match self.0 {
+            FtsQuery::Match(query) => {
+                let kwargs = PyDict::new(py);
+                kwargs.set_item("boost", query.boost)?;
+                kwargs.set_item("fuzziness", query.fuzziness)?;
+                kwargs.set_item("max_expansions", query.max_expansions)?;
+                kwargs.set_item::<_, &str>("operator", query.operator.into())?;
+                kwargs.set_item("prefix_length", query.prefix_length)?;
+                namespace
+                    .getattr(intern!(py, "MatchQuery"))?
+                    .call((query.terms, query.column.unwrap()), Some(&kwargs))
+            }
+            FtsQuery::Phrase(query) => {
+                let kwargs = PyDict::new(py);
+                kwargs.set_item("slop", query.slop)?;
+                namespace
+                    .getattr(intern!(py, "PhraseQuery"))?
+                    .call((query.terms, query.column.unwrap()), Some(&kwargs))
+            }
+            FtsQuery::Boost(query) => {
+                let positive = Self(query.positive.as_ref().clone()).into_pyobject(py)?;
+                let negative = Self(query.negative.as_ref().clone()).into_pyobject(py)?;
+                let kwargs = PyDict::new(py);
+                kwargs.set_item("negative_boost", query.negative_boost)?;
+                namespace
+                    .getattr(intern!(py, "BoostQuery"))?
+                    .call((positive, negative), Some(&kwargs))
+            }
+            FtsQuery::MultiMatch(query) => {
+                let first = &query.match_queries[0];
+                let (columns, boosts): (Vec<_>, Vec<_>) = query
+                    .match_queries
+                    .iter()
+                    .map(|q| (q.column.as_ref().unwrap().clone(), q.boost))
+                    .unzip();
+                let kwargs = PyDict::new(py);
+                kwargs.set_item("boosts", boosts)?;
+                kwargs.set_item::<_, &str>("operator", first.operator.into())?;
+                namespace
+                    .getattr(intern!(py, "MultiMatchQuery"))?
+                    .call((first.terms.clone(), columns), Some(&kwargs))
+            }
+            FtsQuery::Boolean(query) => {
+                let mut queries: Vec<(&str, Bound<'py, PyAny>)> = Vec::with_capacity(
+                    query.should.len() + query.must.len() + query.must_not.len(),
+                );
+                for q in query.should {
+                    queries.push((Occur::Should.into(), Self(q).into_pyobject(py)?));
+                }
+                for q in query.must {
+                    queries.push((Occur::Must.into(), Self(q).into_pyobject(py)?));
+                }
+                for q in query.must_not {
+                    queries.push((Occur::MustNot.into(), Self(q).into_pyobject(py)?));
+                }
+
+                namespace
+                    .getattr(intern!(py, "BooleanQuery"))?
+                    .call1((queries,))
+            }
         }
     }
 }
@@ -80,13 +223,16 @@ pub struct PyQueryRequest {
     pub limit: Option<usize>,
     pub offset: Option<usize>,
     pub filter: Option<PyQueryFilter>,
-    pub full_text_search: Option<PyFullTextSearchQuery>,
+    pub full_text_search: Option<PyLanceDB<FtsQuery>>,
     pub select: PySelect,
     pub fast_search: Option<bool>,
     pub with_row_id: Option<bool>,
     pub column: Option<String>,
     pub query_vector: Option<PyQueryVectors>,
-    pub nprobes: Option<usize>,
+    pub minimum_nprobes: Option<usize>,
+    // None means user did not set it and default shoud be used (currenty 20)
+    // Some(0) means user set it to None and there is no limit
+    pub maximum_nprobes: Option<usize>,
     pub lower_bound: Option<f32>,
     pub upper_bound: Option<f32>,
     pub ef: Option<usize>,
@@ -106,13 +252,14 @@ impl From<AnyQuery> for PyQueryRequest {
                 filter: query_request.filter.map(PyQueryFilter),
                 full_text_search: query_request
                     .full_text_search
-                    .map(PyFullTextSearchQuery::from),
+                    .map(|fts| PyLanceDB(fts.query)),
                 select: PySelect(query_request.select),
                 fast_search: Some(query_request.fast_search),
                 with_row_id: Some(query_request.with_row_id),
                 column: None,
                 query_vector: None,
-                nprobes: None,
+                minimum_nprobes: None,
+                maximum_nprobes: None,
                 lower_bound: None,
                 upper_bound: None,
                 ef: None,
@@ -132,7 +279,11 @@ impl From<AnyQuery> for PyQueryRequest {
                 with_row_id: Some(vector_query.base.with_row_id),
                 column: vector_query.column,
                 query_vector: Some(PyQueryVectors(vector_query.query_vector)),
-                nprobes: Some(vector_query.nprobes),
+                minimum_nprobes: Some(vector_query.minimum_nprobes),
+                maximum_nprobes: match vector_query.maximum_nprobes {
+                    None => Some(0),
+                    Some(value) => Some(value),
+                },
                 lower_bound: vector_query.lower_bound,
                 upper_bound: vector_query.upper_bound,
                 ef: vector_query.ef,
@@ -269,8 +420,8 @@ impl Query {
                 }
             };
             let mut query = FullTextSearchQuery::new_query(query);
-            if let Some(cols) = columns {
-                if !cols.is_empty() {
+            match columns {
+                Some(cols) if !cols.is_empty() => {
                     query = query.with_columns(&cols).map_err(|e| {
                         PyValueError::new_err(format!(
                             "Failed to set full text search columns: {}",
@@ -278,15 +429,12 @@ impl Query {
                         ))
                     })?;
                 }
+                _ => {}
             }
             query
-        } else if let Ok(query) = fts_query.downcast::<PyDict>() {
-            let query = parse_fts_query(query)?;
-            FullTextSearchQuery::new_query(query)
         } else {
-            return Err(PyValueError::new_err(
-                "query must be a string or a Query object",
-            ));
+            let query = fts_query.extract::<PyLanceDB<FtsQuery>>()?;
+            FullTextSearchQuery::new_query(query.0)
         };
 
         Ok(FTSQuery {
@@ -414,7 +562,10 @@ impl FTSQuery {
     }
 
     pub fn explain_plan(self_: PyRef<'_, Self>, verbose: bool) -> PyResult<Bound<'_, PyAny>> {
-        let inner = self_.inner.clone();
+        let inner = self_
+            .inner
+            .clone()
+            .full_text_search(self_.fts_query.clone());
         future_into_py(self_.py(), async move {
             inner
                 .explain_plan(verbose)
@@ -424,7 +575,10 @@ impl FTSQuery {
     }
 
     pub fn analyze_plan(self_: PyRef<'_, Self>) -> PyResult<Bound<'_, PyAny>> {
-        let inner = self_.inner.clone();
+        let inner = self_
+            .inner
+            .clone()
+            .full_text_search(self_.fts_query.clone());
         future_into_py(self_.py(), async move {
             inner
                 .analyze_plan()
@@ -509,6 +663,29 @@ impl VectorQuery {
         self.inner = self.inner.clone().nprobes(nprobe as usize);
     }
 
+    pub fn minimum_nprobes(&mut self, minimum_nprobes: u32) -> PyResult<()> {
+        self.inner = self
+            .inner
+            .clone()
+            .minimum_nprobes(minimum_nprobes as usize)
+            .infer_error()?;
+        Ok(())
+    }
+
+    pub fn maximum_nprobes(&mut self, maximum_nprobes: u32) -> PyResult<()> {
+        let maximum_nprobes = if maximum_nprobes == 0 {
+            None
+        } else {
+            Some(maximum_nprobes as usize)
+        };
+        self.inner = self
+            .inner
+            .clone()
+            .maximum_nprobes(maximum_nprobes)
+            .infer_error()?;
+        Ok(())
+    }
+
     #[pyo3(signature = (lower_bound=None, upper_bound=None))]
     pub fn distance_range(&mut self, lower_bound: Option<f32>, upper_bound: Option<f32>) {
         self.inner = self.inner.clone().distance_range(lower_bound, upper_bound);

python/src/util.rs

@@ -3,15 +3,11 @@
 
 use std::sync::Mutex;
 
-use lancedb::index::scalar::{BoostQuery, FtsQuery, MatchQuery, MultiMatchQuery, PhraseQuery};
 use lancedb::DistanceType;
-use pyo3::prelude::{PyAnyMethods, PyDictMethods, PyListMethods};
-use pyo3::types::PyDict;
 use pyo3::{
     exceptions::{PyRuntimeError, PyValueError},
     pyfunction, PyResult,
 };
-use pyo3::{Bound, PyAny};
 
 /// A wrapper around a rust builder
 ///
@@ -64,116 +60,6 @@ pub fn validate_table_name(table_name: &str) -> PyResult<()> {
         .map_err(|e| PyValueError::new_err(e.to_string()))
 }
 
-pub fn parse_fts_query(query: &Bound<'_, PyDict>) -> PyResult<FtsQuery> {
-    let query_type = query.keys().get_item(0)?.extract::<String>()?;
-    let query_value = query
-        .get_item(&query_type)?
-        .ok_or(PyValueError::new_err(format!(
-            "Query type {} not found",
-            query_type
-        )))?;
-    let query_value = query_value.downcast::<PyDict>()?;
-
-    match query_type.as_str() {
-        "match" => {
-            let column = query_value.keys().get_item(0)?.extract::<String>()?;
-            let params = query_value
-                .get_item(&column)?
-                .ok_or(PyValueError::new_err(format!(
-                    "column {} not found",
-                    column
-                )))?;
-            let params = params.downcast::<PyDict>()?;
-
-            let query = params
-                .get_item("query")?
-                .ok_or(PyValueError::new_err("query not found"))?
-                .extract::<String>()?;
-            let boost = params
-                .get_item("boost")?
-                .ok_or(PyValueError::new_err("boost not found"))?
-                .extract::<f32>()?;
-            let fuzziness = params
-                .get_item("fuzziness")?
-                .ok_or(PyValueError::new_err("fuzziness not found"))?
-                .extract::<Option<u32>>()?;
-            let max_expansions = params
-                .get_item("max_expansions")?
-                .ok_or(PyValueError::new_err("max_expansions not found"))?
-                .extract::<usize>()?;
-
-            let query = MatchQuery::new(query)
-                .with_column(Some(column))
-                .with_boost(boost)
-                .with_fuzziness(fuzziness)
-                .with_max_expansions(max_expansions);
-            Ok(query.into())
-        }
-
-        "match_phrase" => {
-            let column = query_value.keys().get_item(0)?.extract::<String>()?;
-            let query = query_value
-                .get_item(&column)?
-                .ok_or(PyValueError::new_err(format!(
-                    "column {} not found",
-                    column
-                )))?
-                .extract::<String>()?;
-
-            let query = PhraseQuery::new(query).with_column(Some(column));
-            Ok(query.into())
-        }
-
-        "boost" => {
-            let positive: Bound<'_, PyAny> = query_value
-                .get_item("positive")?
-                .ok_or(PyValueError::new_err("positive not found"))?;
-            let positive = positive.downcast::<PyDict>()?;
-
-            let negative = query_value
-                .get_item("negative")?
-                .ok_or(PyValueError::new_err("negative not found"))?;
-            let negative = negative.downcast::<PyDict>()?;
-
-            let negative_boost = query_value
-                .get_item("negative_boost")?
-                .ok_or(PyValueError::new_err("negative_boost not found"))?
-                .extract::<f32>()?;
-
-            let positive_query = parse_fts_query(positive)?;
-            let negative_query = parse_fts_query(negative)?;
-            let query = BoostQuery::new(positive_query, negative_query, Some(negative_boost));
-
-            Ok(query.into())
-        }
-
-        "multi_match" => {
-            let query = query_value
-                .get_item("query")?
-                .ok_or(PyValueError::new_err("query not found"))?
-                .extract::<String>()?;
-
-            let columns = query_value
-                .get_item("columns")?
-                .ok_or(PyValueError::new_err("columns not found"))?
-                .extract::<Vec<String>>()?;
-
-            let boost = query_value
-                .get_item("boost")?
-                .ok_or(PyValueError::new_err("boost not found"))?
-                .extract::<Vec<f32>>()?;
-
-            let query = MultiMatchQuery::try_new(query, columns)
-                .and_then(|q| q.try_with_boosts(boost))
-                .map_err(|e| {
-                    PyValueError::new_err(format!("Error creating MultiMatchQuery: {}", e))
-                })?;
-            Ok(query.into())
-        }
-
-        _ => Err(PyValueError::new_err(format!(
-            "Unsupported query type: {}",
-            query_type
-        ))),
-    }
-}
+/// A wrapper around a LanceDB type to allow it to be used in Python
+#[derive(Debug, Clone)]
+pub struct PyLanceDB<T>(pub T);

rust/ffi/node/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "lancedb-node"
-version = "0.19.2-beta.0"
+version = "0.21.1"
 description = "Serverless, low-latency vector database for AI applications"
 license.workspace = true
 edition.workspace = true

rust/lancedb/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "lancedb"
-version = "0.19.2-beta.0"
+version = "0.21.1"
 edition.workspace = true
 description = "LanceDB: A serverless, low-latency vector database for AI applications"
 license.workspace = true
@@ -60,15 +60,15 @@ reqwest = { version = "0.12.0", default-features = false, features = [
     "macos-system-configuration",
     "stream",
 ], optional = true }
-rand = { version = "0.8.3", features = ["small_rng"], optional = true }
+rand = { version = "0.9", features = ["small_rng"], optional = true }
 http = { version = "1", optional = true } # Matching what is in reqwest
 uuid = { version = "1.7.0", features = ["v4"], optional = true }
 polars-arrow = { version = ">=0.37,<0.40.0", optional = true }
 polars = { version = ">=0.37,<0.40.0", optional = true }
 hf-hub = { version = "0.4.1", optional = true, default-features = false, features = ["rustls-tls", "tokio", "ureq"]}
-candle-core = { version = "0.6.0", optional = true }
-candle-transformers = { version = "0.6.0", optional = true }
-candle-nn = { version = "0.6.0", optional = true }
+candle-core = { version = "0.9.1", optional = true }
+candle-transformers = { version = "0.9.1", optional = true }
+candle-nn = { version = "0.9.1", optional = true }
 tokenizers = { version = "0.19.1", optional = true }
 semver = { workspace = true }
 
@@ -78,7 +78,7 @@ bytemuck_derive.workspace = true
 
 [dev-dependencies]
 tempfile = "3.5.0"
-rand = { version = "0.8.3", features = ["small_rng"] }
+rand = { version = "0.9", features = ["small_rng"] }
 random_word = { version = "0.4.3", features = ["en"] }
 uuid = { version = "1.7.0", features = ["v4"] }
 walkdir = "2"

rust/lancedb/examples/full_text_search.rs

@@ -51,7 +51,7 @@ fn create_some_records() -> Result<Box<dyn RecordBatchReader + Send>> {
                 Arc::new(Int32Array::from_iter_values(0..TOTAL as i32)),
                 Arc::new(StringArray::from_iter_values((0..TOTAL).map(|_| {
                     (0..n_terms)
-                        .map(|_| words[random::<usize>() % words.len()])
+                        .map(|_| words[random::<u32>() as usize % words.len()])
                         .collect::<Vec<_>>()
                         .join(" ")
                 }))),

rust/lancedb/src/catalog/listing.rs

@@ -105,7 +105,7 @@ impl ListingCatalog {
     }
 
     async fn open_path(path: &str) -> Result<Self> {
-        let (object_store, base_path) = ObjectStore::from_uri(path).await.unwrap();
+        let (object_store, base_path) = ObjectStore::from_uri(path).await?;
         if object_store.is_local() {
             Self::try_create_dir(path).context(CreateDirSnafu { path })?;
         }

rust/lancedb/src/database/listing.rs

@@ -8,7 +8,7 @@ use std::path::Path;
 use std::{collections::HashMap, sync::Arc};
 
 use lance::dataset::{ReadParams, WriteMode};
-use lance::io::{ObjectStore, ObjectStoreParams, ObjectStoreRegistry, WrappingObjectStore};
+use lance::io::{ObjectStore, ObjectStoreParams, WrappingObjectStore};
 use lance_datafusion::utils::StreamingWriteSource;
 use lance_encoding::version::LanceFileVersion;
 use lance_table::io::commit::commit_handler_from_url;
@@ -217,6 +217,9 @@ pub struct ListingDatabase {
 
     // Options for tables created by this connection
     new_table_config: NewTableConfig,
+
+    // Session for object stores and caching
+    session: Arc<lance::session::Session>,
 }
 
 impl std::fmt::Display for ListingDatabase {
@@ -313,13 +316,17 @@ impl ListingDatabase {
 
                 let plain_uri = url.to_string();
 
-                let registry = Arc::new(ObjectStoreRegistry::default());
+                let session = Arc::new(lance::session::Session::default());
                 let os_params = ObjectStoreParams {
                     storage_options: Some(options.storage_options.clone()),
                     ..Default::default()
                 };
-                let (object_store, base_path) =
-                    ObjectStore::from_uri_and_params(registry, &plain_uri, &os_params).await?;
+                let (object_store, base_path) = ObjectStore::from_uri_and_params(
+                    session.store_registry(),
+                    &plain_uri,
+                    &os_params,
+                )
+                .await?;
                 if object_store.is_local() {
                     Self::try_create_dir(&plain_uri).context(CreateDirSnafu { path: plain_uri })?;
                 }
@@ -342,6 +349,7 @@ impl ListingDatabase {
                     read_consistency_interval: request.read_consistency_interval,
                     storage_options: options.storage_options,
                     new_table_config: options.new_table_config,
+                    session,
                 })
             }
             Err(_) => {
@@ -360,7 +368,13 @@ impl ListingDatabase {
         read_consistency_interval: Option<std::time::Duration>,
         new_table_config: NewTableConfig,
     ) -> Result<Self> {
-        let (object_store, base_path) = ObjectStore::from_uri(path).await?;
+        let session = Arc::new(lance::session::Session::default());
+        let (object_store, base_path) = ObjectStore::from_uri_and_params(
+            session.store_registry(),
+            path,
+            &ObjectStoreParams::default(),
+        )
+        .await?;
         if object_store.is_local() {
             Self::try_create_dir(path).context(CreateDirSnafu { path })?;
         }
@@ -374,6 +388,7 @@ impl ListingDatabase {
             read_consistency_interval,
             storage_options: HashMap::new(),
             new_table_config,
+            session,
         })
     }
 
@@ -441,6 +456,128 @@ impl ListingDatabase {
         }
         Ok(())
     }
+
+    /// Inherit storage options from the connection into the target map
+    fn inherit_storage_options(&self, target: &mut HashMap<String, String>) {
+        for (key, value) in self.storage_options.iter() {
+            if !target.contains_key(key) {
+                target.insert(key.clone(), value.clone());
+            }
+        }
+    }
+
+    /// Extract storage option overrides from the request
+    fn extract_storage_overrides(
+        &self,
+        request: &CreateTableRequest,
+    ) -> Result<(Option<LanceFileVersion>, Option<bool>)> {
+        let storage_options = request
+            .write_options
+            .lance_write_params
+            .as_ref()
+            .and_then(|p| p.store_params.as_ref())
+            .and_then(|sp| sp.storage_options.as_ref());
+
+        let storage_version_override = storage_options
+            .and_then(|opts| opts.get(OPT_NEW_TABLE_STORAGE_VERSION))
+            .map(|s| s.parse::<LanceFileVersion>())
+            .transpose()?;
+
+        let v2_manifest_override = storage_options
+            .and_then(|opts| opts.get(OPT_NEW_TABLE_V2_MANIFEST_PATHS))
+            .map(|s| s.parse::<bool>())
+            .transpose()
+            .map_err(|_| Error::InvalidInput {
+                message: "enable_v2_manifest_paths must be a boolean".to_string(),
+            })?;
+
+        Ok((storage_version_override, v2_manifest_override))
+    }
+
+    /// Prepare write parameters for table creation
+    fn prepare_write_params(
+        &self,
+        request: &CreateTableRequest,
+        storage_version_override: Option<LanceFileVersion>,
+        v2_manifest_override: Option<bool>,
+    ) -> lance::dataset::WriteParams {
+        let mut write_params = request
+            .write_options
+            .lance_write_params
+            .clone()
+            .unwrap_or_default();
+
+        // Only modify the storage options if we actually have something to
+        // inherit. There is a difference between storage_options=None and
+        // storage_options=Some({}). Using storage_options=None will cause the
+        // connection's session store registry to be used. Supplying Some({})
+        // will cause a new connection to be created, and that connection will
+        // be dropped from the cache when python GCs the table object, which
+        // confounds reuse across tables.
+        if !self.storage_options.is_empty() {
+            let storage_options = write_params
+                .store_params
+                .get_or_insert_with(Default::default)
+                .storage_options
+                .get_or_insert_with(Default::default);
+            self.inherit_storage_options(storage_options);
+        }
+
+        write_params.data_storage_version = self
+            .new_table_config
+            .data_storage_version
+            .or(storage_version_override);
+
+        if let Some(enable_v2_manifest_paths) = self
+            .new_table_config
+            .enable_v2_manifest_paths
+            .or(v2_manifest_override)
+        {
+            write_params.enable_v2_manifest_paths = enable_v2_manifest_paths;
+        }
+
+        if matches!(&request.mode, CreateTableMode::Overwrite) {
+            write_params.mode = WriteMode::Overwrite;
+        }
+
+        write_params.session = Some(self.session.clone());
+
+        write_params
+    }
+
+    /// Handle the case where table already exists based on the create mode
+    async fn handle_table_exists(
+        &self,
+        table_name: &str,
+        mode: CreateTableMode,
+        data_schema: &arrow_schema::Schema,
+    ) -> Result<Arc<dyn BaseTable>> {
+        match mode {
+            CreateTableMode::Create => Err(Error::TableAlreadyExists {
+                name: table_name.to_string(),
+            }),
+            CreateTableMode::ExistOk(callback) => {
+                let req = OpenTableRequest {
+                    name: table_name.to_string(),
+                    index_cache_size: None,
+                    lance_read_params: None,
+                };
+                let req = (callback)(req);
+                let table = self.open_table(req).await?;
+
+                let table_schema = table.schema().await?;
+
+                if table_schema.as_ref() != data_schema {
+                    return Err(Error::Schema {
+                        message: "Provided schema does not match existing table schema".to_string(),
+                    });
+                }
+
+                Ok(table)
+            }
+            CreateTableMode::Overwrite => unreachable!(),
+        }
+    }
 }
 
 #[async_trait::async_trait]
@@ -475,50 +612,14 @@ impl Database for ListingDatabase {
         Ok(f)
     }
 
-    async fn create_table(&self, mut request: CreateTableRequest) -> Result<Arc<dyn BaseTable>> {
+    async fn create_table(&self, request: CreateTableRequest) -> Result<Arc<dyn BaseTable>> {
         let table_uri = self.table_uri(&request.name)?;
-        // Inherit storage options from the connection
-        let storage_options = request
-            .write_options
-            .lance_write_params
-            .get_or_insert_with(Default::default)
-            .store_params
-            .get_or_insert_with(Default::default)
-            .storage_options
-            .get_or_insert_with(Default::default);
-        for (key, value) in self.storage_options.iter() {
-            if !storage_options.contains_key(key) {
-                storage_options.insert(key.clone(), value.clone());
-            }
-        }
 
-        let storage_options = storage_options.clone();
+        let (storage_version_override, v2_manifest_override) =
+            self.extract_storage_overrides(&request)?;
 
-        let mut write_params = request.write_options.lance_write_params.unwrap_or_default();
-
-        if let Some(storage_version) = &self.new_table_config.data_storage_version {
-            write_params.data_storage_version = Some(*storage_version);
-        } else {
-            // Allow the user to override the storage version via storage options (backwards compatibility)
-            if let Some(data_storage_version) = storage_options.get(OPT_NEW_TABLE_STORAGE_VERSION) {
-                write_params.data_storage_version = Some(data_storage_version.parse()?);
-            }
-        }
-        if let Some(enable_v2_manifest_paths) = self.new_table_config.enable_v2_manifest_paths {
-            write_params.enable_v2_manifest_paths = enable_v2_manifest_paths;
-        } else {
-            // Allow the user to override the storage version via storage options (backwards compatibility)
-            if let Some(enable_v2_manifest_paths) = storage_options
-                .get(OPT_NEW_TABLE_V2_MANIFEST_PATHS)
-                .map(|s| s.parse::<bool>().unwrap())
-            {
-                write_params.enable_v2_manifest_paths = enable_v2_manifest_paths;
-            }
-        }
-
-        if matches!(&request.mode, CreateTableMode::Overwrite) {
-            write_params.mode = WriteMode::Overwrite;
-        }
+        let write_params =
+            self.prepare_write_params(&request, storage_version_override, v2_manifest_override);
 
         let data_schema = request.data.arrow_schema();
 
@@ -533,30 +634,10 @@ impl Database for ListingDatabase {
         .await
         {
             Ok(table) => Ok(Arc::new(table)),
-            Err(Error::TableAlreadyExists { name }) => match request.mode {
-                CreateTableMode::Create => Err(Error::TableAlreadyExists { name }),
-                CreateTableMode::ExistOk(callback) => {
-                    let req = OpenTableRequest {
-                        name: request.name.clone(),
-                        index_cache_size: None,
-                        lance_read_params: None,
-                    };
-                    let req = (callback)(req);
-                    let table = self.open_table(req).await?;
-
-                    let table_schema = table.schema().await?;
-
-                    if table_schema != data_schema {
-                        return Err(Error::Schema {
-                            message: "Provided schema does not match existing table schema"
-                                .to_string(),
-                        });
-                    }
-
-                    Ok(table)
-                }
-                CreateTableMode::Overwrite => unreachable!(),
-            },
+            Err(Error::TableAlreadyExists { .. }) => {
+                self.handle_table_exists(&request.name, request.mode, &data_schema)
+                    .await
+            }
             Err(err) => Err(err),
         }
     }
@@ -564,18 +645,22 @@ impl Database for ListingDatabase {
     async fn open_table(&self, mut request: OpenTableRequest) -> Result<Arc<dyn BaseTable>> {
         let table_uri = self.table_uri(&request.name)?;
 
-        // Inherit storage options from the connection
-        let storage_options = request
-            .lance_read_params
-            .get_or_insert_with(Default::default)
-            .store_options
-            .get_or_insert_with(Default::default)
-            .storage_options
-            .get_or_insert_with(Default::default);
-        for (key, value) in self.storage_options.iter() {
-            if !storage_options.contains_key(key) {
-                storage_options.insert(key.clone(), value.clone());
-            }
+        // Only modify the storage options if we actually have something to
+        // inherit. There is a difference between storage_options=None and
+        // storage_options=Some({}). Using storage_options=None will cause the
+        // connection's session store registry to be used. Supplying Some({})
+        // will cause a new connection to be created, and that connection will
+        // be dropped from the cache when python GCs the table object, which
+        // confounds reuse across tables.
+        if !self.storage_options.is_empty() {
+            let storage_options = request
+                .lance_read_params
+                .get_or_insert_with(Default::default)
+                .store_options
+                .get_or_insert_with(Default::default)
+                .storage_options
+                .get_or_insert_with(Default::default);
+            self.inherit_storage_options(storage_options);
         }
 
         // Some ReadParams are exposed in the OpenTableBuilder, but we also
@@ -584,13 +669,14 @@ impl Database for ListingDatabase {
         // If we have a user provided ReadParams use that
         // If we don't then start with the default ReadParams and customize it with
         // the options from the OpenTableBuilder
-        let read_params = request.lance_read_params.unwrap_or_else(|| {
+        let mut read_params = request.lance_read_params.unwrap_or_else(|| {
             let mut default_params = ReadParams::default();
             if let Some(index_cache_size) = request.index_cache_size {
                 default_params.index_cache_size = index_cache_size as usize;
             }
             default_params
         });
+        read_params.session(self.session.clone());
 
         let native_table = Arc::new(
             NativeTable::open_with_params(

rust/lancedb/src/embeddings/sentence_transformers.rs

@@ -214,7 +214,7 @@ impl SentenceTransformersEmbeddings {
 
         let embeddings = self
             .model
-            .forward(&input_ids, &token_type_ids)
+            .forward(&input_ids, &token_type_ids, None)
             // TODO: it'd be nice to support other devices
             .and_then(|output| output.to_device(&Device::Cpu))?;
 
@@ -310,7 +310,7 @@ impl SentenceTransformersEmbeddings {
         let embeddings = Tensor::stack(&tokens, 0)
             .and_then(|tokens| {
                 let token_type_ids = tokens.zeros_like()?;
-                self.model.forward(&tokens, &token_type_ids)
+                self.model.forward(&tokens, &token_type_ids, None)
             })
             // TODO: it'd be nice to support other devices
             .and_then(|tokens| tokens.to_device(&Device::Cpu))

rust/lancedb/src/io/object_store.rs

@@ -107,7 +107,7 @@ impl ObjectStore for MirroringObjectStore {
         self.primary.delete(location).await
     }
 
-    fn list(&self, prefix: Option<&Path>) -> BoxStream<'_, Result<ObjectMeta>> {
+    fn list(&self, prefix: Option<&Path>) -> BoxStream<'static, Result<ObjectMeta>> {
         self.primary.list(prefix)
     }
 

rust/lancedb/src/io/object_store/io_tracking.rs

@@ -119,7 +119,7 @@ impl ObjectStore for IoTrackingStore {
         let result = self.target.get(location).await;
         if let Ok(result) = &result {
             let num_bytes = result.range.end - result.range.start;
-            self.record_read(num_bytes as u64);
+            self.record_read(num_bytes);
         }
         result
     }
@@ -128,12 +128,12 @@ impl ObjectStore for IoTrackingStore {
         let result = self.target.get_opts(location, options).await;
         if let Ok(result) = &result {
             let num_bytes = result.range.end - result.range.start;
-            self.record_read(num_bytes as u64);
+            self.record_read(num_bytes);
         }
         result
     }
 
-    async fn get_range(&self, location: &Path, range: std::ops::Range<usize>) -> OSResult<Bytes> {
+    async fn get_range(&self, location: &Path, range: std::ops::Range<u64>) -> OSResult<Bytes> {
         let result = self.target.get_range(location, range).await;
         if let Ok(result) = &result {
             self.record_read(result.len() as u64);
@@ -144,7 +144,7 @@ impl ObjectStore for IoTrackingStore {
     async fn get_ranges(
         &self,
         location: &Path,
-        ranges: &[std::ops::Range<usize>],
+        ranges: &[std::ops::Range<u64>],
     ) -> OSResult<Vec<Bytes>> {
         let result = self.target.get_ranges(location, ranges).await;
         if let Ok(result) = &result {
@@ -170,7 +170,7 @@ impl ObjectStore for IoTrackingStore {
         self.target.delete_stream(locations)
     }
 
-    fn list(&self, prefix: Option<&Path>) -> BoxStream<'_, OSResult<ObjectMeta>> {
+    fn list(&self, prefix: Option<&Path>) -> BoxStream<'static, OSResult<ObjectMeta>> {
         self.record_read(0);
         self.target.list(prefix)
     }
@@ -179,7 +179,7 @@ impl ObjectStore for IoTrackingStore {
         &self,
         prefix: Option<&Path>,
         offset: &Path,
-    ) -> BoxStream<'_, OSResult<ObjectMeta>> {
+    ) -> BoxStream<'static, OSResult<ObjectMeta>> {
         self.record_read(0);
         self.target.list_with_offset(prefix, offset)
     }

rust/lancedb/src/query.rs

@@ -796,8 +796,10 @@ pub struct VectorQueryRequest {
     pub column: Option<String>,
     /// The vector(s) to search for
     pub query_vector: Vec<Arc<dyn Array>>,
-    /// The number of partitions to search
-    pub nprobes: usize,
+    /// The minimum number of partitions to search
+    pub minimum_nprobes: usize,
+    /// The maximum number of partitions to search
+    pub maximum_nprobes: Option<usize>,
     /// The lower bound (inclusive) of the distance to search for.
     pub lower_bound: Option<f32>,
     /// The upper bound (exclusive) of the distance to search for.
@@ -819,7 +821,8 @@ impl Default for VectorQueryRequest {
             base: QueryRequest::default(),
             column: None,
             query_vector: Vec::new(),
-            nprobes: 20,
+            minimum_nprobes: 20,
+            maximum_nprobes: Some(20),
             lower_bound: None,
             upper_bound: None,
             ef: None,
@@ -925,11 +928,75 @@ impl VectorQuery {
     /// For best results we recommend tuning this parameter with a benchmark against
     /// your actual data to find the smallest possible value that will still give
     /// you the desired recall.
+    ///
+    /// This method sets both the minimum and maximum number of partitions to search.
+    /// For more fine-grained control see [`VectorQuery::minimum_nprobes`] and
+    /// [`VectorQuery::maximum_nprobes`].
     pub fn nprobes(mut self, nprobes: usize) -> Self {
-        self.request.nprobes = nprobes;
+        self.request.minimum_nprobes = nprobes;
+        self.request.maximum_nprobes = Some(nprobes);
         self
     }
 
+    /// Set the minimum number of partitions to search
+    ///
+    /// This argument is only used when the vector column has an IVF PQ index.
+    /// If there is no index then this value is ignored.
+    ///
+    /// See [`VectorQuery::nprobes`] for more details.
+    ///
+    /// These partitions will be searched on every indexed vector query.
+    ///
+    /// Will return an error if the value is not greater than 0 or if maximum_nprobes
+    /// has been set and is less than the minimum_nprobes.
+    pub fn minimum_nprobes(mut self, minimum_nprobes: usize) -> Result<Self> {
+        if minimum_nprobes == 0 {
+            return Err(Error::InvalidInput {
+                message: "minimum_nprobes must be greater than 0".to_string(),
+            });
+        }
+        if let Some(maximum_nprobes) = self.request.maximum_nprobes {
+            if minimum_nprobes > maximum_nprobes {
+                return Err(Error::InvalidInput {
+                    message: "minimum_nprobes must be less or equal to maximum_nprobes".to_string(),
+                });
+            }
+        }
+        self.request.minimum_nprobes = minimum_nprobes;
+        Ok(self)
+    }
+
+    /// Set the maximum number of partitions to search
+    ///
+    /// This argument is only used when the vector column has an IVF PQ index.
+    /// If there is no index then this value is ignored.
+    ///
+    /// See [`VectorQuery::nprobes`] for more details.
+    ///
+    /// If this value is greater than minimum_nprobes then the excess partitions will
+    /// only be searched if the initial search does not return enough results.
+    ///
+    /// This can be useful when there is a narrow filter to allow these queries to
+    /// spend more time searching and avoid potential false negatives.
+    ///
+    /// Set to None to search all partitions, if needed, to satsify the limit
+    pub fn maximum_nprobes(mut self, maximum_nprobes: Option<usize>) -> Result<Self> {
+        if let Some(maximum_nprobes) = maximum_nprobes {
+            if maximum_nprobes == 0 {
+                return Err(Error::InvalidInput {
+                    message: "maximum_nprobes must be greater than 0".to_string(),
+                });
+            }
+            if maximum_nprobes < self.request.minimum_nprobes {
+                return Err(Error::InvalidInput {
+                    message: "maximum_nprobes must be greater than minimum_nprobes".to_string(),
+                });
+            }
+        }
+        self.request.maximum_nprobes = maximum_nprobes;
+        Ok(self)
+    }
+
     /// Set the distance range for vector search,
     /// only rows with distances in the range [lower_bound, upper_bound) will be returned
     pub fn distance_range(mut self, lower_bound: Option<f32>, upper_bound: Option<f32>) -> Self {
@@ -1208,7 +1275,8 @@ mod tests {
         );
         assert_eq!(query.request.base.limit.unwrap(), 100);
         assert_eq!(query.request.base.offset.unwrap(), 1);
-        assert_eq!(query.request.nprobes, 1000);
+        assert_eq!(query.request.minimum_nprobes, 1000);
+        assert_eq!(query.request.maximum_nprobes, Some(1000));
         assert!(query.request.use_index);
         assert_eq!(query.request.distance_type, Some(DistanceType::Cosine));
         assert_eq!(query.request.refine_factor, Some(999));

rust/lancedb/src/remote/table.rs

@@ -32,6 +32,7 @@ use lance::dataset::{ColumnAlteration, NewColumnTransform, Version};
 use lance_datafusion::exec::{execute_plan, OneShotExec};
 use reqwest::{RequestBuilder, Response};
 use serde::{Deserialize, Serialize};
+use serde_json::Number;
 use std::collections::HashMap;
 use std::io::Cursor;
 use std::pin::Pin;
@@ -56,6 +57,8 @@ use crate::{
 };
 
 const REQUEST_TIMEOUT_HEADER: HeaderName = HeaderName::from_static("x-request-timeout-ms");
+const METRIC_TYPE_KEY: &str = "metric_type";
+const INDEX_TYPE_KEY: &str = "index_type";
 
 pub struct RemoteTags<'a, S: HttpSend = Sender> {
     inner: &'a RemoteTable<S>,
@@ -438,7 +441,18 @@ impl<S: HttpSend> RemoteTable<S> {
 
         // Apply general parameters, before we dispatch based on number of query vectors.
         body["distance_type"] = serde_json::json!(query.distance_type.unwrap_or_default());
-        body["nprobes"] = query.nprobes.into();
+        // In 0.23.1 we migrated from `nprobes` to `minimum_nprobes` and `maximum_nprobes`.
+        // Old client / new server: since minimum_nprobes is missing, fallback to nprobes
+        // New client / old server: old server will only see nprobes, make sure to set both
+        //                          nprobes and minimum_nprobes
+        // New client / new server: since minimum_nprobes is present, server can ignore nprobes
+        body["nprobes"] = query.minimum_nprobes.into();
+        body["minimum_nprobes"] = query.minimum_nprobes.into();
+        if let Some(maximum_nprobes) = query.maximum_nprobes {
+            body["maximum_nprobes"] = maximum_nprobes.into();
+        } else {
+            body["maximum_nprobes"] = serde_json::Value::Number(Number::from_u128(0).unwrap())
+        }
         body["lower_bound"] = query.lower_bound.into();
         body["upper_bound"] = query.upper_bound.into();
         body["ef"] = query.ef.into();
@@ -985,23 +999,53 @@ impl<S: HttpSend> BaseTable for RemoteTable<S> {
             "column": column
         });
 
-        let (index_type, distance_type) = match index.index {
+        match index.index {
             // TODO: Should we pass the actual index parameters? SaaS does not
             // yet support them.
-            Index::IvfFlat(index) => ("IVF_FLAT", Some(index.distance_type)),
-            Index::IvfPq(index) => ("IVF_PQ", Some(index.distance_type)),
-            Index::IvfHnswSq(index) => ("IVF_HNSW_SQ", Some(index.distance_type)),
-            Index::BTree(_) => ("BTREE", None),
-            Index::Bitmap(_) => ("BITMAP", None),
-            Index::LabelList(_) => ("LABEL_LIST", None),
+            Index::IvfFlat(index) => {
+                body[INDEX_TYPE_KEY] = serde_json::Value::String("IVF_FLAT".to_string());
+                body[METRIC_TYPE_KEY] =
+                    serde_json::Value::String(index.distance_type.to_string().to_lowercase());
+                if let Some(num_partitions) = index.num_partitions {
+                    body["num_partitions"] = serde_json::Value::Number(num_partitions.into());
+                }
+            }
+            Index::IvfPq(index) => {
+                body[INDEX_TYPE_KEY] = serde_json::Value::String("IVF_PQ".to_string());
+                body[METRIC_TYPE_KEY] =
+                    serde_json::Value::String(index.distance_type.to_string().to_lowercase());
+                if let Some(num_partitions) = index.num_partitions {
+                    body["num_partitions"] = serde_json::Value::Number(num_partitions.into());
+                }
+                if let Some(num_bits) = index.num_bits {
+                    body["num_bits"] = serde_json::Value::Number(num_bits.into());
+                }
+            }
+            Index::IvfHnswSq(index) => {
+                body[INDEX_TYPE_KEY] = serde_json::Value::String("IVF_HNSW_SQ".to_string());
+                body[METRIC_TYPE_KEY] =
+                    serde_json::Value::String(index.distance_type.to_string().to_lowercase());
+                if let Some(num_partitions) = index.num_partitions {
+                    body["num_partitions"] = serde_json::Value::Number(num_partitions.into());
+                }
+            }
+            Index::BTree(_) => {
+                body[INDEX_TYPE_KEY] = serde_json::Value::String("BTREE".to_string());
+            }
+            Index::Bitmap(_) => {
+                body[INDEX_TYPE_KEY] = serde_json::Value::String("BITMAP".to_string());
+            }
+            Index::LabelList(_) => {
+                body[INDEX_TYPE_KEY] = serde_json::Value::String("LABEL_LIST".to_string());
+            }
             Index::FTS(fts) => {
+                body[INDEX_TYPE_KEY] = serde_json::Value::String("FTS".to_string());
                 let params = serde_json::to_value(&fts).map_err(|e| Error::InvalidInput {
                     message: format!("failed to serialize FTS index params {:?}", e),
                 })?;
                 for (key, value) in params.as_object().unwrap() {
                     body[key] = value.clone();
                 }
-                ("FTS", None)
             }
             Index::Auto => {
                 let schema = self.schema().await?;
@@ -1011,9 +1055,11 @@ impl<S: HttpSend> BaseTable for RemoteTable<S> {
                         message: format!("Column {} not found in schema", column),
                     })?;
                 if supported_vector_data_type(field.data_type()) {
-                    ("IVF_PQ", Some(DistanceType::L2))
+                    body[INDEX_TYPE_KEY] = serde_json::Value::String("IVF_PQ".to_string());
+                    body[METRIC_TYPE_KEY] =
+                        serde_json::Value::String(DistanceType::L2.to_string().to_lowercase());
                 } else if supported_btree_data_type(field.data_type()) {
-                    ("BTREE", None)
+                    body[INDEX_TYPE_KEY] = serde_json::Value::String("BTREE".to_string());
                 } else {
                     return Err(Error::NotSupported {
                         message: format!(
@@ -1030,12 +1076,6 @@ impl<S: HttpSend> BaseTable for RemoteTable<S> {
                 })
             }
         };
-        body["index_type"] = serde_json::Value::String(index_type.into());
-        if let Some(distance_type) = distance_type {
-            // Phalanx expects this to be lowercase right now.
-            body["metric_type"] =
-                serde_json::Value::String(distance_type.to_string().to_lowercase());
-        }
 
         let request = request.json(&body);
 
@@ -1417,11 +1457,12 @@ mod tests {
     use chrono::{DateTime, Utc};
     use futures::{future::BoxFuture, StreamExt, TryFutureExt};
     use lance_index::scalar::inverted::query::MatchQuery;
-    use lance_index::scalar::FullTextSearchQuery;
+    use lance_index::scalar::{FullTextSearchQuery, InvertedIndexParams};
     use reqwest::Body;
     use rstest::rstest;
+    use serde_json::json;
 
-    use crate::index::vector::IvfFlatIndexBuilder;
+    use crate::index::vector::{IvfFlatIndexBuilder, IvfHnswSqIndexBuilder};
     use crate::remote::db::DEFAULT_SERVER_VERSION;
     use crate::remote::JSON_CONTENT_TYPE;
     use crate::{
@@ -2075,6 +2116,8 @@ mod tests {
                 "prefilter": true,
                 "distance_type": "l2",
                 "nprobes": 20,
+                "minimum_nprobes": 20,
+                "maximum_nprobes": 20,
                 "lower_bound": Option::<f32>::None,
                 "upper_bound": Option::<f32>::None,
                 "k": 10,
@@ -2175,6 +2218,8 @@ mod tests {
                 "bypass_vector_index": true,
                 "columns": ["a", "b"],
                 "nprobes": 12,
+                "minimum_nprobes": 12,
+                "maximum_nprobes": 12,
                 "lower_bound": Option::<f32>::None,
                 "upper_bound": Option::<f32>::None,
                 "ef": Option::<usize>::None,
@@ -2302,6 +2347,7 @@ mod tests {
                                 "fuzziness": 0,
                                 "max_expansions": 50,
                                 "operator": "Or",
+                                "prefix_length": 0,
                             },
                         }
                     },
@@ -2416,29 +2462,79 @@ mod tests {
         let cases = [
             (
                 "IVF_FLAT",
-                Some("hamming"),
+                json!({
+                    "metric_type": "hamming",
+                }),
                 Index::IvfFlat(IvfFlatIndexBuilder::default().distance_type(DistanceType::Hamming)),
             ),
-            ("IVF_PQ", Some("l2"), Index::IvfPq(Default::default())),
+            (
+                "IVF_FLAT",
+                json!({
+                    "metric_type": "hamming",
+                    "num_partitions": 128,
+                }),
+                Index::IvfFlat(
+                    IvfFlatIndexBuilder::default()
+                        .distance_type(DistanceType::Hamming)
+                        .num_partitions(128),
+                ),
+            ),
             (
                 "IVF_PQ",
-                Some("cosine"),
-                Index::IvfPq(IvfPqIndexBuilder::default().distance_type(DistanceType::Cosine)),
+                json!({
+                    "metric_type": "l2",
+                }),
+                Index::IvfPq(Default::default()),
+            ),
+            (
+                "IVF_PQ",
+                json!({
+                    "metric_type": "cosine",
+                    "num_partitions": 128,
+                    "num_bits": 4,
+                }),
+                Index::IvfPq(
+                    IvfPqIndexBuilder::default()
+                        .distance_type(DistanceType::Cosine)
+                        .num_partitions(128)
+                        .num_bits(4),
+                ),
             ),
             (
                 "IVF_HNSW_SQ",
-                Some("l2"),
+                json!({
+                    "metric_type": "l2",
+                }),
                 Index::IvfHnswSq(Default::default()),
             ),
+            (
+                "IVF_HNSW_SQ",
+                json!({
+                    "metric_type": "l2",
+                    "num_partitions": 128,
+                }),
+                Index::IvfHnswSq(
+                    IvfHnswSqIndexBuilder::default()
+                        .distance_type(DistanceType::L2)
+                        .num_partitions(128),
+                ),
+            ),
             // HNSW_PQ isn't yet supported on SaaS
-            ("BTREE", None, Index::BTree(Default::default())),
-            ("BITMAP", None, Index::Bitmap(Default::default())),
-            ("LABEL_LIST", None, Index::LabelList(Default::default())),
-            ("FTS", None, Index::FTS(Default::default())),
+            ("BTREE", json!({}), Index::BTree(Default::default())),
+            ("BITMAP", json!({}), Index::Bitmap(Default::default())),
+            (
+                "LABEL_LIST",
+                json!({}),
+                Index::LabelList(Default::default()),
+            ),
+            (
+                "FTS",
+                serde_json::to_value(InvertedIndexParams::default()).unwrap(),
+                Index::FTS(Default::default()),
+            ),
         ];
 
-        for (index_type, distance_type, index) in cases {
-            let params = index.clone();
+        for (index_type, expected_body, index) in cases {
             let table = Table::new_with_handler("my_table", move |request| {
                 assert_eq!(request.method(), "POST");
                 assert_eq!(request.url().path(), "/v1/table/my_table/create_index/");
@@ -2448,19 +2544,9 @@ mod tests {
                 );
                 let body = request.body().unwrap().as_bytes().unwrap();
                 let body: serde_json::Value = serde_json::from_slice(body).unwrap();
-                let mut expected_body = serde_json::json!({
-                    "column": "a",
-                    "index_type": index_type,
-                });
-                if let Some(distance_type) = distance_type {
-                    expected_body["metric_type"] = distance_type.to_lowercase().into();
-                }
-                if let Index::FTS(fts) = &params {
-                    let params = serde_json::to_value(fts).unwrap();
-                    for (key, value) in params.as_object().unwrap() {
-                        expected_body[key] = value.clone();
-                    }
-                }
+                let mut expected_body = expected_body.clone();
+                expected_body["column"] = "a".into();
+                expected_body[INDEX_TYPE_KEY] = index_type.into();
 
                 assert_eq!(body, expected_body);
 

rust/lancedb/src/table.rs

@@ -2354,12 +2354,15 @@ impl BaseTable for NativeTable {
                     query.base.limit.unwrap_or(DEFAULT_TOP_K),
                 )?;
             }
+            scanner.minimum_nprobes(query.minimum_nprobes);
+            if let Some(maximum_nprobes) = query.maximum_nprobes {
+                scanner.maximum_nprobes(maximum_nprobes);
+            }
         }
         scanner.limit(
             query.base.limit.map(|limit| limit as i64),
             query.base.offset.map(|offset| offset as i64),
         )?;
-        scanner.nprobs(query.nprobes);
         if let Some(ef) = query.ef {
             scanner.ef(ef);
         }

rust/lancedb/src/table/datafusion.rs

@@ -392,9 +392,18 @@ pub mod tests {
                 } else {
                     expected_line.trim()
                 };
-                assert_eq!(&actual_trimmed[..expected_trimmed.len()], expected_trimmed);
+                assert_eq!(
+                    &actual_trimmed[..expected_trimmed.len()],
+                    expected_trimmed,
+                    "\nactual:\n{physical_plan}\nexpected:\n{expected}"
+                );
             }
-            assert_eq!(lines_checked, expected.lines().count());
+            assert_eq!(
+                lines_checked,
+                expected.lines().count(),
+                "\nlines_checked:\n{lines_checked}\nexpected:\n{}",
+                expected.lines().count()
+            );
         }
     }
 
@@ -477,9 +486,9 @@ pub mod tests {
         TestFixture::check_plan(
             plan,
             "MetadataEraserExec
-             RepartitionExec:...
              CoalesceBatchesExec:...
              FilterExec: i@0 >= 5
+             RepartitionExec:...
              ProjectionExec:...
              LanceScan:...",
         )

rust/lancedb/src/table/dataset.rs

@@ -129,7 +129,9 @@ impl DatasetRef {
                 dataset: ref mut ds,
                 ..
             } => {
-                *ds = dataset;
+                if dataset.manifest().version > ds.manifest().version {
+                    *ds = dataset;
+                }
             }
             _ => unreachable!("Dataset should be in latest mode at this point"),
         }

rust/lancedb/tests/object_store_test.rs

@@ -281,6 +281,46 @@ async fn test_encryption() -> Result<()> {
     Ok(())
 }
 
+#[tokio::test]
+async fn test_table_storage_options_override() -> Result<()> {
+    // Test that table-level storage options override connection-level options
+    let bucket = S3Bucket::new("test-override").await;
+    let key1 = KMSKey::new().await;
+    let key2 = KMSKey::new().await;
+
+    let uri = format!("s3://{}", bucket.0);
+
+    // Create connection with key1 encryption
+    let db = lancedb::connect(&uri)
+        .storage_options(CONFIG.iter().cloned())
+        .storage_option("aws_server_side_encryption", "aws:kms")
+        .storage_option("aws_sse_kms_key_id", &key1.0)
+        .execute()
+        .await?;
+
+    // Create table overriding with key2 encryption
+    let data = test_data();
+    let data = RecordBatchIterator::new(vec![Ok(data.clone())], data.schema());
+    let _table = db
+        .create_table("test_override", data)
+        .storage_option("aws_sse_kms_key_id", &key2.0)
+        .execute()
+        .await?;
+
+    // Verify objects are encrypted with key2, not key1
+    validate_objects_encrypted(&bucket.0, "test_override", &key2.0).await;
+
+    // Also test that a table created without override uses connection settings
+    let data = test_data();
+    let data = RecordBatchIterator::new(vec![Ok(data.clone())], data.schema());
+    let _table2 = db.create_table("test_inherit", data).execute().await?;
+
+    // Verify this table uses key1 from connection
+    validate_objects_encrypted(&bucket.0, "test_inherit", &key1.0).await;
+
+    Ok(())
+}
+
 struct DynamoDBCommitTable(String);
 
 impl DynamoDBCommitTable {