trigger ci

.github/workflows/codex-update-lance-dependency.yml

@@ -1,6 +1,9 @@
 name: Codex Update Lance Dependency
 
 on:
+  pull_request:
+    paths:
+      - '.github/workflows/codex-update-lance-dependency.yml'
   workflow_call:
     inputs:
       tag:
@@ -11,7 +14,8 @@ on:
     inputs:
       tag:
         description: "Tag name from Lance"
-        required: true
+        required: false
+        default: "v1.0.0-rc.1"
         type: string
 
 permissions:
@@ -25,7 +29,7 @@ jobs:
     steps:
       - name: Show inputs
         run: |
-          echo "tag = ${{ inputs.tag }}"
+          echo "tag = ${{ inputs.tag || 'v1.0.0-rc.1' }}"
 
       - name: Checkout Repo LanceDB
         uses: actions/checkout@v4
@@ -65,7 +69,7 @@ jobs:
 
       - name: Run Codex to update Lance dependency
         env:
-          TAG: ${{ inputs.tag }}
+          TAG: ${{ inputs.tag || 'v1.0.0-rc.1' }}
           GITHUB_TOKEN: ${{ secrets.ROBOT_TOKEN }}
           GH_TOKEN: ${{ secrets.ROBOT_TOKEN }}
           OPENAI_API_KEY: ${{ secrets.CODEX_TOKEN }}
@@ -99,9 +103,29 @@ jobs:
           printenv OPENAI_API_KEY | codex login --with-api-key
           codex --config shell_environment_policy.ignore_default_excludes=true exec --dangerously-bypass-approvals-and-sandbox "$(cat /tmp/codex-prompt.txt)"
 
+      - name: Debug token access
+        env:
+          GH_TOKEN: ${{ secrets.ROBOT_TOKEN }}
+        run: |
+          set -euo pipefail
+          echo "=== Checking authenticated user ==="
+          gh api user --jq '.login' || echo "Failed to get user info"
+
+          echo ""
+          echo "=== Listing repos in lancedb org that token can access ==="
+          gh repo list lancedb --limit 50 --json name,visibility --jq '.[] | "\(.name) (\(.visibility))"' || echo "Failed to list repos"
+
+          echo ""
+          echo "=== Checking if sophon repo exists and is accessible ==="
+          gh repo view lancedb/sophon --json name,visibility 2>&1 || echo "Cannot access lancedb/sophon"
+
+          echo ""
+          echo "=== Checking token scopes ==="
+          gh api -i user 2>&1 | grep -i "x-oauth-scopes" || echo "Could not determine token scopes"
+
       - name: Trigger sophon dependency update
         env:
-          TAG: ${{ inputs.tag }}
+          TAG: ${{ inputs.tag || 'v1.0.0-rc.1' }}
           GH_TOKEN: ${{ secrets.ROBOT_TOKEN }}
         run: |
           set -euo pipefail

Cargo.lock

@@ -3102,8 +3102,8 @@ checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
 
 [[package]]
 name = "fsst"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow-array",
  "rand 0.9.2",
@@ -4460,8 +4460,8 @@ dependencies = [
 
 [[package]]
 name = "lance"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "arrow-arith",
@@ -4526,8 +4526,8 @@ dependencies = [
 
 [[package]]
 name = "lance-arrow"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -4545,8 +4545,8 @@ dependencies = [
 
 [[package]]
 name = "lance-bitpacking"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrayref",
  "paste",
@@ -4555,8 +4555,8 @@ dependencies = [
 
 [[package]]
 name = "lance-core"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -4592,8 +4592,8 @@ dependencies = [
 
 [[package]]
 name = "lance-datafusion"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4623,8 +4623,8 @@ dependencies = [
 
 [[package]]
 name = "lance-datagen"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4641,8 +4641,8 @@ dependencies = [
 
 [[package]]
 name = "lance-encoding"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow-arith",
  "arrow-array",
@@ -4679,8 +4679,8 @@ dependencies = [
 
 [[package]]
 name = "lance-file"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow-arith",
  "arrow-array",
@@ -4712,8 +4712,8 @@ dependencies = [
 
 [[package]]
 name = "lance-geo"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "datafusion",
  "geo-types",
@@ -4724,8 +4724,8 @@ dependencies = [
 
 [[package]]
 name = "lance-index"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "arrow-arith",
@@ -4786,8 +4786,8 @@ dependencies = [
 
 [[package]]
 name = "lance-io"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "arrow-arith",
@@ -4827,8 +4827,8 @@ dependencies = [
 
 [[package]]
 name = "lance-linalg"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow-array",
  "arrow-buffer",
@@ -4844,8 +4844,8 @@ dependencies = [
 
 [[package]]
 name = "lance-namespace"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "async-trait",
@@ -4857,8 +4857,8 @@ dependencies = [
 
 [[package]]
 name = "lance-namespace-impls"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "arrow-ipc",
@@ -4896,8 +4896,8 @@ dependencies = [
 
 [[package]]
 name = "lance-table"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow",
  "arrow-array",
@@ -4936,8 +4936,8 @@ dependencies = [
 
 [[package]]
 name = "lance-testing"
-version = "1.1.0-beta.1"
+version = "1.0.0-beta.16"
-source = "git+https://github.com/lance-format/lance.git?tag=v1.1.0-beta.1#ddea38f049e64df8b893e1c8ecca7878ea373d1e"
+source = "git+https://github.com/lance-format/lance.git?tag=v1.0.0-beta.16#ff89675ebaca362412c3ec9d62d2de3885a57727"
 dependencies = [
  "arrow-array",
  "arrow-schema",
@@ -5071,7 +5071,6 @@ dependencies = [
  "futures",
  "lance-core",
  "lance-io",
- "lance-namespace",
  "lancedb",
  "pin-project",
  "pyo3",

Cargo.toml

@@ -15,20 +15,20 @@ categories = ["database-implementations"]
 rust-version = "1.78.0"
 
 [workspace.dependencies]
-lance = { "version" = "=1.1.0-beta.1", default-features = false, "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance = { "version" = "=1.0.0-beta.16", default-features = false, "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-core = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-core = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-datagen = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-datagen = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-file = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-file = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-io = { "version" = "=1.1.0-beta.1", default-features = false, "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-io = { "version" = "=1.0.0-beta.16", default-features = false, "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-index = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-index = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-linalg = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-linalg = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-namespace = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-namespace = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-namespace-impls = { "version" = "=1.1.0-beta.1", default-features = false, "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-namespace-impls = { "version" = "=1.0.0-beta.16", default-features = false, "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-table = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-table = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-testing = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-testing = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-datafusion = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-datafusion = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-encoding = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-encoding = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
-lance-arrow = { "version" = "=1.1.0-beta.1", "tag" = "v1.1.0-beta.1", "git" = "https://github.com/lance-format/lance.git" }
+lance-arrow = { "version" = "=1.0.0-beta.16", "tag" = "v1.0.0-beta.16", "git" = "https://github.com/lance-format/lance.git" }
 ahash = "0.8"
 # Note that this one does not include pyarrow
 arrow = { version = "56.2", optional = false }

python/.bumpversion.toml

@@ -1,5 +1,5 @@
 [tool.bumpversion]
-current_version = "0.26.0-beta.0"
+current_version = "0.25.4-beta.3"
 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 = "0.26.0-beta.0"
+version = "0.25.4-beta.3"
 edition.workspace = true
 description = "Python bindings for LanceDB"
 license.workspace = true
@@ -18,7 +18,6 @@ arrow = { version = "56.2", features = ["pyarrow"] }
 async-trait = "0.1"
 lancedb = { path = "../rust/lancedb", default-features = false }
 lance-core.workspace = true
-lance-namespace.workspace = true
 lance-io.workspace = true
 env_logger.workspace = true
 pyo3 = { version = "0.25", features = ["extension-module", "abi3-py39"] }

python/python/lancedb/_lancedb.pyi

@@ -3,30 +3,10 @@ from typing import Dict, List, Optional, Tuple, Any, TypedDict, Union, Literal
 
 import pyarrow as pa
 
-from .index import (
+from .index import BTree, IvfFlat, IvfPq, Bitmap, LabelList, HnswPq, HnswSq, FTS
-    BTree,
-    IvfFlat,
-    IvfPq,
-    IvfSq,
-    Bitmap,
-    LabelList,
-    HnswPq,
-    HnswSq,
-    FTS,
-)
 from .io import StorageOptionsProvider
-from lance_namespace import (
-    ListNamespacesResponse,
-    CreateNamespaceResponse,
-    DropNamespaceResponse,
-    DescribeNamespaceResponse,
-    ListTablesResponse,
-)
 from .remote import ClientConfig
 
-IvfHnswPq: type[HnswPq] = HnswPq
-IvfHnswSq: type[HnswSq] = HnswSq
-
 class Session:
     def __init__(
         self,
@@ -46,38 +26,18 @@ class Connection(object):
     async def close(self): ...
     async def list_namespaces(
         self,
-        namespace: Optional[List[str]] = None,
+        namespace: Optional[List[str]],
-        page_token: Optional[str] = None,
+        page_token: Optional[str],
-        limit: Optional[int] = None,
+        limit: Optional[int],
-    ) -> ListNamespacesResponse: ...
+    ) -> List[str]: ...
-    async def create_namespace(
+    async def create_namespace(self, namespace: List[str]) -> None: ...
-        self,
+    async def drop_namespace(self, namespace: List[str]) -> None: ...
-        namespace: List[str],
-        mode: Optional[str] = None,
-        properties: Optional[Dict[str, str]] = None,
-    ) -> CreateNamespaceResponse: ...
-    async def drop_namespace(
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        behavior: Optional[str] = None,
-    ) -> DropNamespaceResponse: ...
-    async def describe_namespace(
-        self,
-        namespace: List[str],
-    ) -> DescribeNamespaceResponse: ...
-    async def list_tables(
-        self,
-        namespace: Optional[List[str]] = None,
-        page_token: Optional[str] = None,
-        limit: Optional[int] = None,
-    ) -> ListTablesResponse: ...
     async def table_names(
         self,
         namespace: Optional[List[str]],
         start_after: Optional[str],
         limit: Optional[int],
-    ) -> list[str]: ...  # Deprecated: Use list_tables instead
+    ) -> list[str]: ...
     async def create_table(
         self,
         name: str,
@@ -144,17 +104,7 @@ class Table:
     async def create_index(
         self,
         column: str,
-        index: Union[
+        index: Union[IvfFlat, IvfPq, HnswPq, HnswSq, BTree, Bitmap, LabelList, FTS],
-            IvfFlat,
-            IvfSq,
-            IvfPq,
-            HnswPq,
-            HnswSq,
-            BTree,
-            Bitmap,
-            LabelList,
-            FTS,
-        ],
         replace: Optional[bool],
         wait_timeout: Optional[object],
         *,

python/python/lancedb/db.py

@@ -22,13 +22,6 @@ from lancedb.embeddings.registry import EmbeddingFunctionRegistry
 
 from lancedb.common import data_to_reader, sanitize_uri, validate_schema
 from lancedb.background_loop import LOOP
-from lance_namespace import (
-    ListNamespacesResponse,
-    CreateNamespaceResponse,
-    DropNamespaceResponse,
-    DescribeNamespaceResponse,
-    ListTablesResponse,
-)
 
 from . import __version__
 from ._lancedb import connect as lancedb_connect  # type: ignore
@@ -55,12 +48,6 @@ if TYPE_CHECKING:
     from .io import StorageOptionsProvider
     from ._lancedb import Session
 
-from .namespace_utils import (
-    _normalize_create_namespace_mode,
-    _normalize_drop_namespace_mode,
-    _normalize_drop_namespace_behavior,
-)
-
 
 class DBConnection(EnforceOverrides):
     """An active LanceDB connection interface."""
@@ -69,8 +56,8 @@ class DBConnection(EnforceOverrides):
         self,
         namespace: Optional[List[str]] = None,
         page_token: Optional[str] = None,
-        limit: Optional[int] = None,
+        limit: int = 10,
-    ) -> ListNamespacesResponse:
+    ) -> Iterable[str]:
         """List immediate child namespace names in the given namespace.
 
         Parameters
@@ -79,119 +66,43 @@ class DBConnection(EnforceOverrides):
             The parent namespace to list namespaces in.
             Empty list represents root namespace.
         page_token: str, optional
-            Token for pagination. Use the token from a previous response
+            The token to use for pagination. If not present, start from the beginning.
-            to get the next page of results.
+        limit: int, default 10
-        limit: int, optional
+            The size of the page to return.
-            The maximum number of results to return.
 
         Returns
         -------
-        ListNamespacesResponse
+        Iterable of str
-            Response containing namespace names and optional page_token for pagination.
+            List of immediate child namespace names
         """
         if namespace is None:
             namespace = []
-        return ListNamespacesResponse(namespaces=[], page_token=None)
+        return []
 
-    def create_namespace(
+    def create_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        properties: Optional[Dict[str, str]] = None,
-    ) -> CreateNamespaceResponse:
         """Create a new namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to create.
-        mode: str, optional
-            Creation mode - "create" (fail if exists), "exist_ok" (skip if exists),
-            or "overwrite" (replace if exists). Case insensitive.
-        properties: Dict[str, str], optional
-            Properties to set on the namespace.
-
-        Returns
-        -------
-        CreateNamespaceResponse
-            Response containing the properties of the created namespace.
         """
         raise NotImplementedError(
             "Namespace operations are not supported for this connection type"
         )
 
-    def drop_namespace(
+    def drop_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        behavior: Optional[str] = None,
-    ) -> DropNamespaceResponse:
         """Drop a namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to drop.
-        mode: str, optional
-            Whether to skip if not exists ("SKIP") or fail ("FAIL"). Case insensitive.
-        behavior: str, optional
-            Whether to restrict drop if not empty ("RESTRICT") or cascade ("CASCADE").
-            Case insensitive.
-
-        Returns
-        -------
-        DropNamespaceResponse
-            Response containing properties and transaction_id if applicable.
         """
         raise NotImplementedError(
             "Namespace operations are not supported for this connection type"
         )
 
-    def describe_namespace(self, namespace: List[str]) -> DescribeNamespaceResponse:
-        """Describe a namespace.
-
-        Parameters
-        ----------
-        namespace: List[str]
-            The namespace identifier to describe.
-
-        Returns
-        -------
-        DescribeNamespaceResponse
-            Response containing the namespace properties.
-        """
-        raise NotImplementedError(
-            "Namespace operations are not supported for this connection type"
-        )
-
-    def list_tables(
-        self,
-        namespace: Optional[List[str]] = None,
-        page_token: Optional[str] = None,
-        limit: Optional[int] = None,
-    ) -> ListTablesResponse:
-        """List all tables in this database with pagination support.
-
-        Parameters
-        ----------
-        namespace: List[str], optional
-            The namespace to list tables in.
-            None or empty list represents root namespace.
-        page_token: str, optional
-            Token for pagination. Use the token from a previous response
-            to get the next page of results.
-        limit: int, optional
-            The maximum number of results to return.
-
-        Returns
-        -------
-        ListTablesResponse
-            Response containing table names and optional page_token for pagination.
-        """
-        raise NotImplementedError(
-            "list_tables is not supported for this connection type"
-        )
-
     @abstractmethod
     def table_names(
         self,
@@ -646,8 +557,8 @@ class LanceDBConnection(DBConnection):
         self,
         namespace: Optional[List[str]] = None,
         page_token: Optional[str] = None,
-        limit: Optional[int] = None,
+        limit: int = 10,
-    ) -> ListNamespacesResponse:
+    ) -> Iterable[str]:
         """List immediate child namespace names in the given namespace.
 
         Parameters
@@ -656,15 +567,14 @@ class LanceDBConnection(DBConnection):
             The parent namespace to list namespaces in.
             None or empty list represents root namespace.
         page_token: str, optional
-            Token for pagination. Use the token from a previous response
+            The token to use for pagination. If not present, start from the beginning.
-            to get the next page of results.
+        limit: int, default 10
-        limit: int, optional
+            The size of the page to return.
-            The maximum number of results to return.
 
         Returns
         -------
-        ListNamespacesResponse
+        Iterable of str
-            Response containing namespace names and optional page_token for pagination.
+            List of immediate child namespace names
         """
         if namespace is None:
             namespace = []
@@ -675,111 +585,26 @@ class LanceDBConnection(DBConnection):
         )
 
     @override
-    def create_namespace(
+    def create_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        properties: Optional[Dict[str, str]] = None,
-    ) -> CreateNamespaceResponse:
         """Create a new namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to create.
-        mode: str, optional
-            Creation mode - "create" (fail if exists), "exist_ok" (skip if exists),
-            or "overwrite" (replace if exists). Case insensitive.
-        properties: Dict[str, str], optional
-            Properties to set on the namespace.
-
-        Returns
-        -------
-        CreateNamespaceResponse
-            Response containing the properties of the created namespace.
         """
-        return LOOP.run(
+        LOOP.run(self._conn.create_namespace(namespace=namespace))
-            self._conn.create_namespace(
-                namespace=namespace, mode=mode, properties=properties
-            )
-        )
 
     @override
-    def drop_namespace(
+    def drop_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        behavior: Optional[str] = None,
-    ) -> DropNamespaceResponse:
         """Drop a namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to drop.
-        mode: str, optional
-            Whether to skip if not exists ("SKIP") or fail ("FAIL"). Case insensitive.
-        behavior: str, optional
-            Whether to restrict drop if not empty ("RESTRICT") or cascade ("CASCADE").
-            Case insensitive.
-
-        Returns
-        -------
-        DropNamespaceResponse
-            Response containing properties and transaction_id if applicable.
         """
-        return LOOP.run(
+        return LOOP.run(self._conn.drop_namespace(namespace=namespace))
-            self._conn.drop_namespace(namespace=namespace, mode=mode, behavior=behavior)
-        )
-
-    @override
-    def describe_namespace(self, namespace: List[str]) -> DescribeNamespaceResponse:
-        """Describe a namespace.
-
-        Parameters
-        ----------
-        namespace: List[str]
-            The namespace identifier to describe.
-
-        Returns
-        -------
-        DescribeNamespaceResponse
-            Response containing the namespace properties.
-        """
-        return LOOP.run(self._conn.describe_namespace(namespace=namespace))
-
-    @override
-    def list_tables(
-        self,
-        namespace: Optional[List[str]] = None,
-        page_token: Optional[str] = None,
-        limit: Optional[int] = None,
-    ) -> ListTablesResponse:
-        """List all tables in this database with pagination support.
-
-        Parameters
-        ----------
-        namespace: List[str], optional
-            The namespace to list tables in.
-            None or empty list represents root namespace.
-        page_token: str, optional
-            Token for pagination. Use the token from a previous response
-            to get the next page of results.
-        limit: int, optional
-            The maximum number of results to return.
-
-        Returns
-        -------
-        ListTablesResponse
-            Response containing table names and optional page_token for pagination.
-        """
-        if namespace is None:
-            namespace = []
-        return LOOP.run(
-            self._conn.list_tables(
-                namespace=namespace, page_token=page_token, limit=limit
-            )
-        )
 
     @override
     def table_names(
@@ -791,9 +616,6 @@ class LanceDBConnection(DBConnection):
     ) -> Iterable[str]:
         """Get the names of all tables in the database. The names are sorted.
 
-        .. deprecated::
-            Use :meth:`list_tables` instead, which provides proper pagination support.
-
         Parameters
         ----------
         namespace: List[str], optional
@@ -808,13 +630,6 @@ class LanceDBConnection(DBConnection):
         Iterator of str.
             A list of table names.
         """
-        import warnings
-
-        warnings.warn(
-            "table_names() is deprecated, use list_tables() instead",
-            DeprecationWarning,
-            stacklevel=2,
-        )
         if namespace is None:
             namespace = []
         return LOOP.run(
@@ -1129,8 +944,8 @@ class AsyncConnection(object):
         self,
         namespace: Optional[List[str]] = None,
         page_token: Optional[str] = None,
-        limit: Optional[int] = None,
+        limit: int = 10,
-    ) -> ListNamespacesResponse:
+    ) -> Iterable[str]:
         """List immediate child namespace names in the given namespace.
 
         Parameters
@@ -1140,128 +955,39 @@ class AsyncConnection(object):
             None or empty list represents root namespace.
         page_token: str, optional
             The token to use for pagination. If not present, start from the beginning.
-        limit: int, optional
+        limit: int, default 10
-            The maximum number of results to return.
+            The size of the page to return.
 
         Returns
         -------
-        ListNamespacesResponse
+        Iterable of str
-            Response containing namespace names and optional pagination token
+            List of immediate child namespace names (not full paths)
         """
         if namespace is None:
             namespace = []
-        result = await self._inner.list_namespaces(
+        return await self._inner.list_namespaces(
             namespace=namespace, page_token=page_token, limit=limit
         )
-        return ListNamespacesResponse(**result)
 
-    async def create_namespace(
+    async def create_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        properties: Optional[Dict[str, str]] = None,
-    ) -> CreateNamespaceResponse:
         """Create a new namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to create.
-        mode: str, optional
-            Creation mode - "create", "exist_ok", or "overwrite". Case insensitive.
-        properties: Dict[str, str], optional
-            Properties to associate with the namespace
-
-        Returns
-        -------
-        CreateNamespaceResponse
-            Response containing namespace properties
         """
-        result = await self._inner.create_namespace(
+        await self._inner.create_namespace(namespace)
-            namespace,
-            mode=_normalize_create_namespace_mode(mode),
-            properties=properties,
-        )
-        return CreateNamespaceResponse(**result)
 
-    async def drop_namespace(
+    async def drop_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        behavior: Optional[str] = None,
-    ) -> DropNamespaceResponse:
         """Drop a namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to drop.
-        mode: str, optional
-            Whether to skip if not exists ("SKIP") or fail ("FAIL"). Case insensitive.
-        behavior: str, optional
-            Whether to restrict drop if not empty ("RESTRICT") or cascade ("CASCADE").
-            Case insensitive.
-
-        Returns
-        -------
-        DropNamespaceResponse
-            Response containing properties and transaction_id if applicable.
         """
-        result = await self._inner.drop_namespace(
+        await self._inner.drop_namespace(namespace)
-            namespace,
-            mode=_normalize_drop_namespace_mode(mode),
-            behavior=_normalize_drop_namespace_behavior(behavior),
-        )
-        return DropNamespaceResponse(**result)
-
-    async def describe_namespace(
-        self, namespace: List[str]
-    ) -> DescribeNamespaceResponse:
-        """Describe a namespace.
-
-        Parameters
-        ----------
-        namespace: List[str]
-            The namespace identifier to describe.
-
-        Returns
-        -------
-        DescribeNamespaceResponse
-            Response containing the namespace properties.
-        """
-        result = await self._inner.describe_namespace(namespace)
-        return DescribeNamespaceResponse(**result)
-
-    async def list_tables(
-        self,
-        namespace: Optional[List[str]] = None,
-        page_token: Optional[str] = None,
-        limit: Optional[int] = None,
-    ) -> ListTablesResponse:
-        """List all tables in this database with pagination support.
-
-        Parameters
-        ----------
-        namespace: List[str], optional
-            The namespace to list tables in.
-            None or empty list represents root namespace.
-        page_token: str, optional
-            Token for pagination. Use the token from a previous response
-            to get the next page of results.
-        limit: int, optional
-            The maximum number of results to return.
-
-        Returns
-        -------
-        ListTablesResponse
-            Response containing table names and optional page_token for pagination.
-        """
-        if namespace is None:
-            namespace = []
-        result = await self._inner.list_tables(
-            namespace=namespace, page_token=page_token, limit=limit
-        )
-        return ListTablesResponse(**result)
 
     async def table_names(
         self,
@@ -1272,9 +998,6 @@ class AsyncConnection(object):
     ) -> Iterable[str]:
         """List all tables in this database, in sorted order
 
-        .. deprecated::
-            Use :meth:`list_tables` instead, which provides proper pagination support.
-
         Parameters
         ----------
         namespace: List[str], optional
@@ -1293,13 +1016,6 @@ class AsyncConnection(object):
         -------
         Iterable of str
         """
-        import warnings
-
-        warnings.warn(
-            "table_names() is deprecated, use list_tables() instead",
-            DeprecationWarning,
-            stacklevel=2,
-        )
         if namespace is None:
             namespace = []
         return await self._inner.table_names(

python/python/lancedb/index.py

@@ -376,11 +376,6 @@ class HnswSq:
     target_partition_size: Optional[int] = None
 
 
-# Backwards-compatible aliases
-IvfHnswPq = HnswPq
-IvfHnswSq = HnswSq
-
-
 @dataclass
 class IvfFlat:
     """Describes an IVF Flat Index
@@ -480,36 +475,6 @@ class IvfFlat:
     target_partition_size: Optional[int] = None
 
 
-@dataclass
-class IvfSq:
-    """Describes an IVF Scalar Quantization (SQ) index.
-
-    This index applies scalar quantization to compress vectors and organizes the
-    quantized vectors into IVF partitions. It offers a balance between search
-    speed and storage efficiency while keeping good recall.
-
-    Attributes
-    ----------
-    distance_type: str, default "l2"
-        The distance metric used to train and search the index. Supported values
-        are "l2", "cosine", and "dot".
-    num_partitions: int, default sqrt(num_rows)
-        Number of IVF partitions to create.
-    max_iterations: int, default 50
-        Maximum iterations for kmeans during partition training.
-    sample_rate: int, default 256
-        Controls the number of training vectors: sample_rate * num_partitions.
-    target_partition_size: int, optional
-        Target size for each partition; adjusts the balance between speed and accuracy.
-    """
-
-    distance_type: Literal["l2", "cosine", "dot"] = "l2"
-    num_partitions: Optional[int] = None
-    max_iterations: int = 50
-    sample_rate: int = 256
-    target_partition_size: Optional[int] = None
-
-
 @dataclass
 class IvfPq:
     """Describes an IVF PQ Index
@@ -696,9 +661,6 @@ class IvfRq:
 __all__ = [
     "BTree",
     "IvfPq",
-    "IvfHnswPq",
-    "IvfHnswSq",
-    "IvfSq",
     "IvfRq",
     "IvfFlat",
     "HnswPq",

python/python/lancedb/namespace.py

@@ -23,29 +23,7 @@ from datetime import timedelta
 import pyarrow as pa
 
 from lancedb.db import DBConnection, LanceDBConnection
-from lancedb.namespace_utils import (
-    _normalize_create_namespace_mode,
-    _normalize_drop_namespace_mode,
-    _normalize_drop_namespace_behavior,
-)
 from lancedb.io import StorageOptionsProvider
-from lance_namespace import (
-    LanceNamespace,
-    connect as namespace_connect,
-    CreateNamespaceResponse,
-    DescribeNamespaceResponse,
-    DropNamespaceResponse,
-    ListNamespacesResponse,
-    ListTablesResponse,
-    ListTablesRequest,
-    DescribeTableRequest,
-    DescribeNamespaceRequest,
-    DropTableRequest,
-    ListNamespacesRequest,
-    CreateNamespaceRequest,
-    DropNamespaceRequest,
-    CreateEmptyTableRequest,
-)
 from lancedb.table import AsyncTable, LanceTable, Table
 from lancedb.util import validate_table_name
 from lancedb.common import DATA
@@ -53,9 +31,19 @@ from lancedb.pydantic import LanceModel
 from lancedb.embeddings import EmbeddingFunctionConfig
 from ._lancedb import Session
 
-from lance_namespace_urllib3_client.models.json_arrow_schema import JsonArrowSchema
+from lance_namespace import LanceNamespace, connect as namespace_connect
-from lance_namespace_urllib3_client.models.json_arrow_field import JsonArrowField
+from lance_namespace_urllib3_client.models import (
-from lance_namespace_urllib3_client.models.json_arrow_data_type import JsonArrowDataType
+    ListTablesRequest,
+    DescribeTableRequest,
+    DropTableRequest,
+    ListNamespacesRequest,
+    CreateNamespaceRequest,
+    DropNamespaceRequest,
+    CreateEmptyTableRequest,
+    JsonArrowSchema,
+    JsonArrowField,
+    JsonArrowDataType,
+)
 
 
 def _convert_pyarrow_type_to_json(arrow_type: pa.DataType) -> JsonArrowDataType:
@@ -253,19 +241,6 @@ class LanceNamespaceDBConnection(DBConnection):
         *,
         namespace: Optional[List[str]] = None,
     ) -> Iterable[str]:
-        """
-        List table names in the database.
-
-        .. deprecated::
-            Use :meth:`list_tables` instead, which provides proper pagination support.
-        """
-        import warnings
-
-        warnings.warn(
-            "table_names() is deprecated, use list_tables() instead",
-            DeprecationWarning,
-            stacklevel=2,
-        )
         if namespace is None:
             namespace = []
         request = ListTablesRequest(id=namespace, page_token=page_token, limit=limit)
@@ -458,8 +433,8 @@ class LanceNamespaceDBConnection(DBConnection):
         self,
         namespace: Optional[List[str]] = None,
         page_token: Optional[str] = None,
-        limit: Optional[int] = None,
+        limit: int = 10,
-    ) -> ListNamespacesResponse:
+    ) -> Iterable[str]:
         """
         List child namespaces under the given namespace.
 
@@ -469,15 +444,14 @@ class LanceNamespaceDBConnection(DBConnection):
             The parent namespace to list children from.
             If None, lists root-level namespaces.
         page_token : Optional[str]
-            Token for pagination. Use the token from a previous response
+            Pagination token for listing results.
-            to get the next page of results.
+        limit : int
-        limit : int, optional
             Maximum number of namespaces to return.
 
         Returns
         -------
-        ListNamespacesResponse
+        Iterable[str]
-            Response containing namespace names and optional page_token for pagination.
+            Names of child namespaces.
         """
         if namespace is None:
             namespace = []
@@ -485,18 +459,10 @@ class LanceNamespaceDBConnection(DBConnection):
             id=namespace, page_token=page_token, limit=limit
         )
         response = self._ns.list_namespaces(request)
-        return ListNamespacesResponse(
+        return response.namespaces if response.namespaces else []
-            namespaces=response.namespaces if response.namespaces else [],
-            page_token=response.page_token,
-        )
 
     @override
-    def create_namespace(
+    def create_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        properties: Optional[Dict[str, str]] = None,
-    ) -> CreateNamespaceResponse:
         """
         Create a new namespace.
 
@@ -504,34 +470,12 @@ class LanceNamespaceDBConnection(DBConnection):
         ----------
         namespace : List[str]
             The namespace path to create.
-        mode : str, optional
-            Creation mode - "create" (fail if exists), "exist_ok" (skip if exists),
-            or "overwrite" (replace if exists). Case insensitive.
-        properties : Dict[str, str], optional
-            Properties to set on the namespace.
-
-        Returns
-        -------
-        CreateNamespaceResponse
-            Response containing the properties of the created namespace.
         """
-        request = CreateNamespaceRequest(
+        request = CreateNamespaceRequest(id=namespace)
-            id=namespace,
+        self._ns.create_namespace(request)
-            mode=_normalize_create_namespace_mode(mode),
-            properties=properties,
-        )
-        response = self._ns.create_namespace(request)
-        return CreateNamespaceResponse(
-            properties=response.properties if hasattr(response, "properties") else None
-        )
 
     @override
-    def drop_namespace(
+    def drop_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        behavior: Optional[str] = None,
-    ) -> DropNamespaceResponse:
         """
         Drop a namespace.
 
@@ -539,87 +483,9 @@ class LanceNamespaceDBConnection(DBConnection):
         ----------
         namespace : List[str]
             The namespace path to drop.
-        mode : str, optional
-            Whether to skip if not exists ("SKIP") or fail ("FAIL"). Case insensitive.
-        behavior : str, optional
-            Whether to restrict drop if not empty ("RESTRICT") or cascade ("CASCADE").
-            Case insensitive.
-
-        Returns
-        -------
-        DropNamespaceResponse
-            Response containing properties and transaction_id if applicable.
         """
-        request = DropNamespaceRequest(
+        request = DropNamespaceRequest(id=namespace)
-            id=namespace,
+        self._ns.drop_namespace(request)
-            mode=_normalize_drop_namespace_mode(mode),
-            behavior=_normalize_drop_namespace_behavior(behavior),
-        )
-        response = self._ns.drop_namespace(request)
-        return DropNamespaceResponse(
-            properties=(
-                response.properties if hasattr(response, "properties") else None
-            ),
-            transaction_id=(
-                response.transaction_id if hasattr(response, "transaction_id") else None
-            ),
-        )
-
-    @override
-    def describe_namespace(self, namespace: List[str]) -> DescribeNamespaceResponse:
-        """
-        Describe a namespace.
-
-        Parameters
-        ----------
-        namespace : List[str]
-            The namespace identifier to describe.
-
-        Returns
-        -------
-        DescribeNamespaceResponse
-            Response containing the namespace properties.
-        """
-        request = DescribeNamespaceRequest(id=namespace)
-        response = self._ns.describe_namespace(request)
-        return DescribeNamespaceResponse(
-            properties=response.properties if hasattr(response, "properties") else None
-        )
-
-    @override
-    def list_tables(
-        self,
-        namespace: Optional[List[str]] = None,
-        page_token: Optional[str] = None,
-        limit: Optional[int] = None,
-    ) -> ListTablesResponse:
-        """
-        List all tables in this database with pagination support.
-
-        Parameters
-        ----------
-        namespace : List[str], optional
-            The namespace to list tables in.
-            None or empty list represents root namespace.
-        page_token : str, optional
-            Token for pagination. Use the token from a previous response
-            to get the next page of results.
-        limit : int, optional
-            The maximum number of results to return.
-
-        Returns
-        -------
-        ListTablesResponse
-            Response containing table names and optional page_token for pagination.
-        """
-        if namespace is None:
-            namespace = []
-        request = ListTablesRequest(id=namespace, page_token=page_token, limit=limit)
-        response = self._ns.list_tables(request)
-        return ListTablesResponse(
-            tables=response.tables if response.tables else [],
-            page_token=response.page_token,
-        )
 
     def _lance_table_from_uri(
         self,
@@ -697,19 +563,7 @@ class AsyncLanceNamespaceDBConnection:
         *,
         namespace: Optional[List[str]] = None,
     ) -> Iterable[str]:
-        """
+        """List table names in the namespace."""
-        List table names in the namespace.
-
-        .. deprecated::
-            Use :meth:`list_tables` instead, which provides proper pagination support.
-        """
-        import warnings
-
-        warnings.warn(
-            "table_names() is deprecated, use list_tables() instead",
-            DeprecationWarning,
-            stacklevel=2,
-        )
         if namespace is None:
             namespace = []
         request = ListTablesRequest(id=namespace, page_token=page_token, limit=limit)
@@ -917,8 +771,8 @@ class AsyncLanceNamespaceDBConnection:
         self,
         namespace: Optional[List[str]] = None,
         page_token: Optional[str] = None,
-        limit: Optional[int] = None,
+        limit: int = 10,
-    ) -> ListNamespacesResponse:
+    ) -> Iterable[str]:
         """
         List child namespaces under the given namespace.
 
@@ -928,15 +782,14 @@ class AsyncLanceNamespaceDBConnection:
             The parent namespace to list children from.
             If None, lists root-level namespaces.
         page_token : Optional[str]
-            Token for pagination. Use the token from a previous response
+            Pagination token for listing results.
-            to get the next page of results.
+        limit : int
-        limit : int, optional
             Maximum number of namespaces to return.
 
         Returns
         -------
-        ListNamespacesResponse
+        Iterable[str]
-            Response containing namespace names and optional page_token for pagination.
+            Names of child namespaces.
         """
         if namespace is None:
             namespace = []
@@ -944,17 +797,9 @@ class AsyncLanceNamespaceDBConnection:
             id=namespace, page_token=page_token, limit=limit
         )
         response = self._ns.list_namespaces(request)
-        return ListNamespacesResponse(
+        return response.namespaces if response.namespaces else []
-            namespaces=response.namespaces if response.namespaces else [],
-            page_token=response.page_token,
-        )
 
-    async def create_namespace(
+    async def create_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        properties: Optional[Dict[str, str]] = None,
-    ) -> CreateNamespaceResponse:
         """
         Create a new namespace.
 
@@ -962,33 +807,11 @@ class AsyncLanceNamespaceDBConnection:
         ----------
         namespace : List[str]
             The namespace path to create.
-        mode : str, optional
-            Creation mode - "create" (fail if exists), "exist_ok" (skip if exists),
-            or "overwrite" (replace if exists). Case insensitive.
-        properties : Dict[str, str], optional
-            Properties to set on the namespace.
-
-        Returns
-        -------
-        CreateNamespaceResponse
-            Response containing the properties of the created namespace.
         """
-        request = CreateNamespaceRequest(
+        request = CreateNamespaceRequest(id=namespace)
-            id=namespace,
+        self._ns.create_namespace(request)
-            mode=_normalize_create_namespace_mode(mode),
-            properties=properties,
-        )
-        response = self._ns.create_namespace(request)
-        return CreateNamespaceResponse(
-            properties=response.properties if hasattr(response, "properties") else None
-        )
 
-    async def drop_namespace(
+    async def drop_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        behavior: Optional[str] = None,
-    ) -> DropNamespaceResponse:
         """
         Drop a namespace.
 
@@ -996,87 +819,9 @@ class AsyncLanceNamespaceDBConnection:
         ----------
         namespace : List[str]
             The namespace path to drop.
-        mode : str, optional
-            Whether to skip if not exists ("SKIP") or fail ("FAIL"). Case insensitive.
-        behavior : str, optional
-            Whether to restrict drop if not empty ("RESTRICT") or cascade ("CASCADE").
-            Case insensitive.
-
-        Returns
-        -------
-        DropNamespaceResponse
-            Response containing properties and transaction_id if applicable.
         """
-        request = DropNamespaceRequest(
+        request = DropNamespaceRequest(id=namespace)
-            id=namespace,
+        self._ns.drop_namespace(request)
-            mode=_normalize_drop_namespace_mode(mode),
-            behavior=_normalize_drop_namespace_behavior(behavior),
-        )
-        response = self._ns.drop_namespace(request)
-        return DropNamespaceResponse(
-            properties=(
-                response.properties if hasattr(response, "properties") else None
-            ),
-            transaction_id=(
-                response.transaction_id if hasattr(response, "transaction_id") else None
-            ),
-        )
-
-    async def describe_namespace(
-        self, namespace: List[str]
-    ) -> DescribeNamespaceResponse:
-        """
-        Describe a namespace.
-
-        Parameters
-        ----------
-        namespace : List[str]
-            The namespace identifier to describe.
-
-        Returns
-        -------
-        DescribeNamespaceResponse
-            Response containing the namespace properties.
-        """
-        request = DescribeNamespaceRequest(id=namespace)
-        response = self._ns.describe_namespace(request)
-        return DescribeNamespaceResponse(
-            properties=response.properties if hasattr(response, "properties") else None
-        )
-
-    async def list_tables(
-        self,
-        namespace: Optional[List[str]] = None,
-        page_token: Optional[str] = None,
-        limit: Optional[int] = None,
-    ) -> ListTablesResponse:
-        """
-        List all tables in this database with pagination support.
-
-        Parameters
-        ----------
-        namespace : List[str], optional
-            The namespace to list tables in.
-            None or empty list represents root namespace.
-        page_token : str, optional
-            Token for pagination. Use the token from a previous response
-            to get the next page of results.
-        limit : int, optional
-            The maximum number of results to return.
-
-        Returns
-        -------
-        ListTablesResponse
-            Response containing table names and optional page_token for pagination.
-        """
-        if namespace is None:
-            namespace = []
-        request = ListTablesRequest(id=namespace, page_token=page_token, limit=limit)
-        response = self._ns.list_tables(request)
-        return ListTablesResponse(
-            tables=response.tables if response.tables else [],
-            page_token=response.page_token,
-        )
 
 
 def connect_namespace(

python/python/lancedb/namespace_utils.py

@@ -1,27 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0
-# SPDX-FileCopyrightText: Copyright The LanceDB Authors
-
-"""Utility functions for namespace operations."""
-
-from typing import Optional
-
-
-def _normalize_create_namespace_mode(mode: Optional[str]) -> Optional[str]:
-    """Normalize create namespace mode to lowercase (API expects lowercase)."""
-    if mode is None:
-        return None
-    return mode.lower()
-
-
-def _normalize_drop_namespace_mode(mode: Optional[str]) -> Optional[str]:
-    """Normalize drop namespace mode to uppercase (API expects uppercase)."""
-    if mode is None:
-        return None
-    return mode.upper()
-
-
-def _normalize_drop_namespace_behavior(behavior: Optional[str]) -> Optional[str]:
-    """Normalize drop namespace behavior to uppercase (API expects uppercase)."""
-    if behavior is None:
-        return None
-    return behavior.upper()

python/python/lancedb/remote/db.py

@@ -23,13 +23,6 @@ import pyarrow as pa
 from ..common import DATA
 from ..db import DBConnection, LOOP
 from ..embeddings import EmbeddingFunctionConfig
-from lance_namespace import (
-    CreateNamespaceResponse,
-    DescribeNamespaceResponse,
-    DropNamespaceResponse,
-    ListNamespacesResponse,
-    ListTablesResponse,
-)
 from ..pydantic import LanceModel
 from ..table import Table
 from ..util import validate_table_name
@@ -113,8 +106,8 @@ class RemoteDBConnection(DBConnection):
         self,
         namespace: Optional[List[str]] = None,
         page_token: Optional[str] = None,
-        limit: Optional[int] = None,
+        limit: int = 10,
-    ) -> ListNamespacesResponse:
+    ) -> Iterable[str]:
         """List immediate child namespace names in the given namespace.
 
         Parameters
@@ -123,15 +116,14 @@ class RemoteDBConnection(DBConnection):
             The parent namespace to list namespaces in.
             None or empty list represents root namespace.
         page_token: str, optional
-            Token for pagination. Use the token from a previous response
+            The token to use for pagination. If not present, start from the beginning.
-            to get the next page of results.
+        limit: int, default 10
-        limit: int, optional
+            The size of the page to return.
-            The maximum number of results to return.
 
         Returns
         -------
-        ListNamespacesResponse
+        Iterable of str
-            Response containing namespace names and optional page_token for pagination.
+            List of immediate child namespace names
         """
         if namespace is None:
             namespace = []
@@ -142,111 +134,26 @@ class RemoteDBConnection(DBConnection):
         )
 
     @override
-    def create_namespace(
+    def create_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        properties: Optional[Dict[str, str]] = None,
-    ) -> CreateNamespaceResponse:
         """Create a new namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to create.
-        mode: str, optional
-            Creation mode - "create" (fail if exists), "exist_ok" (skip if exists),
-            or "overwrite" (replace if exists). Case insensitive.
-        properties: Dict[str, str], optional
-            Properties to set on the namespace.
-
-        Returns
-        -------
-        CreateNamespaceResponse
-            Response containing the properties of the created namespace.
         """
-        return LOOP.run(
+        LOOP.run(self._conn.create_namespace(namespace=namespace))
-            self._conn.create_namespace(
-                namespace=namespace, mode=mode, properties=properties
-            )
-        )
 
     @override
-    def drop_namespace(
+    def drop_namespace(self, namespace: List[str]) -> None:
-        self,
-        namespace: List[str],
-        mode: Optional[str] = None,
-        behavior: Optional[str] = None,
-    ) -> DropNamespaceResponse:
         """Drop a namespace.
 
         Parameters
         ----------
         namespace: List[str]
             The namespace identifier to drop.
-        mode: str, optional
-            Whether to skip if not exists ("SKIP") or fail ("FAIL"). Case insensitive.
-        behavior: str, optional
-            Whether to restrict drop if not empty ("RESTRICT") or cascade ("CASCADE").
-            Case insensitive.
-
-        Returns
-        -------
-        DropNamespaceResponse
-            Response containing properties and transaction_id if applicable.
         """
-        return LOOP.run(
+        return LOOP.run(self._conn.drop_namespace(namespace=namespace))
-            self._conn.drop_namespace(namespace=namespace, mode=mode, behavior=behavior)
-        )
-
-    @override
-    def describe_namespace(self, namespace: List[str]) -> DescribeNamespaceResponse:
-        """Describe a namespace.
-
-        Parameters
-        ----------
-        namespace: List[str]
-            The namespace identifier to describe.
-
-        Returns
-        -------
-        DescribeNamespaceResponse
-            Response containing the namespace properties.
-        """
-        return LOOP.run(self._conn.describe_namespace(namespace=namespace))
-
-    @override
-    def list_tables(
-        self,
-        namespace: Optional[List[str]] = None,
-        page_token: Optional[str] = None,
-        limit: Optional[int] = None,
-    ) -> ListTablesResponse:
-        """List all tables in this database with pagination support.
-
-        Parameters
-        ----------
-        namespace: List[str], optional
-            The namespace to list tables in.
-            None or empty list represents root namespace.
-        page_token: str, optional
-            Token for pagination. Use the token from a previous response
-            to get the next page of results.
-        limit: int, optional
-            The maximum number of results to return.
-
-        Returns
-        -------
-        ListTablesResponse
-            Response containing table names and optional page_token for pagination.
-        """
-        if namespace is None:
-            namespace = []
-        return LOOP.run(
-            self._conn.list_tables(
-                namespace=namespace, page_token=page_token, limit=limit
-            )
-        )
 
     @override
     def table_names(
@@ -258,9 +165,6 @@ class RemoteDBConnection(DBConnection):
     ) -> Iterable[str]:
         """List the names of all tables in the database.
 
-        .. deprecated::
-            Use :meth:`list_tables` instead, which provides proper pagination support.
-
         Parameters
         ----------
         namespace: List[str], default []
@@ -275,13 +179,6 @@ class RemoteDBConnection(DBConnection):
         -------
         An iterator of table names.
         """
-        import warnings
-
-        warnings.warn(
-            "table_names() is deprecated, use list_tables() instead",
-            DeprecationWarning,
-            stacklevel=2,
-        )
         if namespace is None:
             namespace = []
         return LOOP.run(

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, HnswSq, IvfFlat, IvfPq, IvfSq, LabelList
+from lancedb.index import FTS, BTree, Bitmap, HnswSq, IvfFlat, IvfPq, LabelList
 from lancedb.remote.db import LOOP
 import pyarrow as pa
 
@@ -265,8 +265,6 @@ class RemoteTable(Table):
                 num_sub_vectors=num_sub_vectors,
                 num_bits=num_bits,
             )
-        elif index_type == "IVF_SQ":
-            config = IvfSq(distance_type=metric, num_partitions=num_partitions)
         elif index_type == "IVF_HNSW_PQ":
             raise ValueError(
                 "IVF_HNSW_PQ is not supported on LanceDB cloud."
@@ -279,7 +277,7 @@ class RemoteTable(Table):
         else:
             raise ValueError(
                 f"Unknown vector index type: {index_type}. Valid options are"
-                " 'IVF_FLAT', 'IVF_SQ', 'IVF_PQ', 'IVF_HNSW_PQ', 'IVF_HNSW_SQ'"
+                " 'IVF_FLAT', 'IVF_PQ', 'IVF_HNSW_PQ', 'IVF_HNSW_SQ'"
             )
 
         LOOP.run(

python/python/lancedb/table.py

@@ -44,18 +44,7 @@ import numpy as np
 
 from .common import DATA, VEC, VECTOR_COLUMN_NAME
 from .embeddings import EmbeddingFunctionConfig, EmbeddingFunctionRegistry
-from .index import (
+from .index import BTree, IvfFlat, IvfPq, Bitmap, IvfRq, LabelList, HnswPq, HnswSq, FTS
-    BTree,
-    IvfFlat,
-    IvfPq,
-    IvfSq,
-    Bitmap,
-    IvfRq,
-    LabelList,
-    HnswPq,
-    HnswSq,
-    FTS,
-)
 from .merge import LanceMergeInsertBuilder
 from .pydantic import LanceModel, model_to_dict
 from .query import (
@@ -2065,7 +2054,7 @@ class LanceTable(Table):
         index_cache_size: Optional[int] = None,
         num_bits: int = 8,
         index_type: Literal[
-            "IVF_FLAT", "IVF_SQ", "IVF_PQ", "IVF_RQ", "IVF_HNSW_SQ", "IVF_HNSW_PQ"
+            "IVF_FLAT", "IVF_PQ", "IVF_RQ", "IVF_HNSW_SQ", "IVF_HNSW_PQ"
         ] = "IVF_PQ",
         max_iterations: int = 50,
         sample_rate: int = 256,
@@ -2103,14 +2092,6 @@ class LanceTable(Table):
                 sample_rate=sample_rate,
                 target_partition_size=target_partition_size,
             )
-        elif index_type == "IVF_SQ":
-            config = IvfSq(
-                distance_type=metric,
-                num_partitions=num_partitions,
-                max_iterations=max_iterations,
-                sample_rate=sample_rate,
-                target_partition_size=target_partition_size,
-            )
         elif index_type == "IVF_PQ":
             config = IvfPq(
                 distance_type=metric,
@@ -3475,22 +3456,11 @@ class AsyncTable:
         if config is not None:
             if not isinstance(
                 config,
-                (
+                (IvfFlat, IvfPq, IvfRq, HnswPq, HnswSq, BTree, Bitmap, LabelList, FTS),
-                    IvfFlat,
-                    IvfSq,
-                    IvfPq,
-                    IvfRq,
-                    HnswPq,
-                    HnswSq,
-                    BTree,
-                    Bitmap,
-                    LabelList,
-                    FTS,
-                ),
             ):
                 raise TypeError(
-                    "config must be an instance of IvfSq, IvfPq, IvfRq, HnswPq, HnswSq,"
+                    "config must be an instance of IvfPq, IvfRq, HnswPq, HnswSq, BTree,"
-                    " BTree, Bitmap, LabelList, or FTS, but got " + str(type(config))
+                    " Bitmap, LabelList, or FTS, but got " + str(type(config))
                 )
         try:
             await self._inner.create_index(

python/python/lancedb/types.py

@@ -18,20 +18,12 @@ AddMode = Literal["append", "overwrite"]
 CreateMode = Literal["create", "overwrite"]
 
 # Index type literals
-VectorIndexType = Literal[
+VectorIndexType = Literal["IVF_FLAT", "IVF_PQ", "IVF_HNSW_SQ", "IVF_HNSW_PQ", "IVF_RQ"]
-    "IVF_FLAT",
-    "IVF_SQ",
-    "IVF_PQ",
-    "IVF_HNSW_SQ",
-    "IVF_HNSW_PQ",
-    "IVF_RQ",
-]
 ScalarIndexType = Literal["BTREE", "BITMAP", "LABEL_LIST"]
 IndexType = Literal[
     "IVF_PQ",
     "IVF_HNSW_PQ",
     "IVF_HNSW_SQ",
-    "IVF_SQ",
     "FTS",
     "BTREE",
     "BITMAP",

python/python/tests/test_db.py

@@ -892,7 +892,7 @@ def test_local_namespace_operations(tmp_path):
     db = lancedb.connect(tmp_path)
 
     # Test list_namespaces returns empty list for root namespace
-    namespaces = db.list_namespaces().namespaces
+    namespaces = list(db.list_namespaces())
     assert namespaces == []
 
     # Test list_namespaces with non-empty namespace raises NotImplementedError
@@ -900,7 +900,7 @@ def test_local_namespace_operations(tmp_path):
         NotImplementedError,
         match="Namespace operations are not supported for listing database",
     ):
-        db.list_namespaces(namespace=["test"])
+        list(db.list_namespaces(namespace=["test"]))
 
 
 def test_local_create_namespace_not_supported(tmp_path):

python/python/tests/test_index.py

@@ -12,9 +12,6 @@ from lancedb.index import (
     BTree,
     IvfFlat,
     IvfPq,
-    IvfSq,
-    IvfHnswPq,
-    IvfHnswSq,
     IvfRq,
     Bitmap,
     LabelList,
@@ -232,35 +229,6 @@ async def test_create_hnswsq_index(some_table: AsyncTable):
     assert len(indices) == 1
 
 
-@pytest.mark.asyncio
-async def test_create_hnswsq_alias_index(some_table: AsyncTable):
-    await some_table.create_index("vector", config=IvfHnswSq(num_partitions=5))
-    indices = await some_table.list_indices()
-    assert len(indices) == 1
-    assert indices[0].index_type in {"HnswSq", "IvfHnswSq"}
-
-
-@pytest.mark.asyncio
-async def test_create_hnswpq_alias_index(some_table: AsyncTable):
-    await some_table.create_index("vector", config=IvfHnswPq(num_partitions=5))
-    indices = await some_table.list_indices()
-    assert len(indices) == 1
-    assert indices[0].index_type in {"HnswPq", "IvfHnswPq"}
-
-
-@pytest.mark.asyncio
-async def test_create_ivfsq_index(some_table: AsyncTable):
-    await some_table.create_index("vector", config=IvfSq(num_partitions=10))
-    indices = await some_table.list_indices()
-    assert len(indices) == 1
-    assert indices[0].index_type == "IvfSq"
-    stats = await some_table.index_stats(indices[0].name)
-    assert stats.index_type == "IVF_SQ"
-    assert stats.distance_type == "l2"
-    assert stats.num_indexed_rows == await some_table.count_rows()
-    assert stats.num_unindexed_rows == 0
-
-
 @pytest.mark.asyncio
 async def test_create_index_with_binary_vectors(binary_table: AsyncTable):
     await binary_table.create_index(

python/python/tests/test_namespace.py

@@ -279,13 +279,13 @@ class TestNamespaceConnection:
         db = lancedb.connect_namespace("dir", {"root": self.temp_dir})
 
         # Initially no namespaces
-        assert len(db.list_namespaces().namespaces) == 0
+        assert len(list(db.list_namespaces())) == 0
 
         # Create a namespace
         db.create_namespace(["test_namespace"])
 
         # Verify namespace exists
-        namespaces = db.list_namespaces().namespaces
+        namespaces = list(db.list_namespaces())
         assert "test_namespace" in namespaces
         assert len(namespaces) == 1
 
@@ -322,7 +322,7 @@ class TestNamespaceConnection:
         db.drop_namespace(["test_namespace"])
 
         # Verify namespace no longer exists
-        namespaces = db.list_namespaces().namespaces
+        namespaces = list(db.list_namespaces())
         assert len(namespaces) == 0
 
     def test_namespace_with_tables_cannot_be_dropped(self):
@@ -570,13 +570,13 @@ class TestAsyncNamespaceConnection:
 
         # Initially no namespaces
         namespaces = await db.list_namespaces()
-        assert len(namespaces.namespaces) == 0
+        assert len(list(namespaces)) == 0
 
         # Create a namespace
         await db.create_namespace(["test_namespace"])
 
         # Verify namespace exists
-        namespaces = (await db.list_namespaces()).namespaces
+        namespaces = list(await db.list_namespaces())
         assert "test_namespace" in namespaces
         assert len(namespaces) == 1
 
@@ -608,7 +608,7 @@ class TestAsyncNamespaceConnection:
         await db.drop_namespace(["test_namespace"])
 
         # Verify namespace no longer exists
-        namespaces = (await db.list_namespaces()).namespaces
+        namespaces = list(await db.list_namespaces())
         assert len(namespaces) == 0
 
     async def test_drop_all_tables_async(self):

python/src/connection.rs

@@ -10,9 +10,8 @@ use lancedb::{
 };
 use pyo3::{
     exceptions::{PyRuntimeError, PyValueError},
-    pyclass, pyfunction, pymethods,
+    pyclass, pyfunction, pymethods, Bound, FromPyObject, Py, PyAny, PyObject, PyRef, PyResult,
-    types::{PyDict, PyDictMethods},
+    Python,
-    Bound, FromPyObject, Py, PyAny, PyObject, PyRef, PyResult, Python,
 };
 use pyo3_async_runtimes::tokio::future_into_py;
 
@@ -293,155 +292,40 @@ impl Connection {
         limit: Option<u32>,
     ) -> PyResult<Bound<'_, PyAny>> {
         let inner = self_.get_inner()?.clone();
-        let py = self_.py();
+        future_into_py(self_.py(), async move {
-        future_into_py(py, async move {
+            use lancedb::database::ListNamespacesRequest;
-            use lance_namespace::models::ListNamespacesRequest;
             let request = ListNamespacesRequest {
-                id: if namespace.is_empty() {
+                namespace,
-                    None
-                } else {
-                    Some(namespace)
-                },
                 page_token,
-                limit: limit.map(|l| l as i32),
+                limit,
             };
-            let response = inner.list_namespaces(request).await.infer_error()?;
+            inner.list_namespaces(request).await.infer_error()
-            Python::with_gil(|py| -> PyResult<Py<PyDict>> {
-                let dict = PyDict::new(py);
-                dict.set_item("namespaces", response.namespaces)?;
-                dict.set_item("page_token", response.page_token)?;
-                Ok(dict.unbind())
-            })
-        })
-    }
-
-    #[pyo3(signature = (namespace, mode=None, properties=None))]
-    pub fn create_namespace(
-        self_: PyRef<'_, Self>,
-        namespace: Vec<String>,
-        mode: Option<String>,
-        properties: Option<std::collections::HashMap<String, String>>,
-    ) -> PyResult<Bound<'_, PyAny>> {
-        let inner = self_.get_inner()?.clone();
-        let py = self_.py();
-        future_into_py(py, async move {
-            use lance_namespace::models::{create_namespace_request, CreateNamespaceRequest};
-            let mode_enum = mode.and_then(|m| match m.to_lowercase().as_str() {
-                "create" => Some(create_namespace_request::Mode::Create),
-                "exist_ok" => Some(create_namespace_request::Mode::ExistOk),
-                "overwrite" => Some(create_namespace_request::Mode::Overwrite),
-                _ => None,
-            });
-            let request = CreateNamespaceRequest {
-                id: if namespace.is_empty() {
-                    None
-                } else {
-                    Some(namespace)
-                },
-                mode: mode_enum,
-                properties,
-            };
-            let response = inner.create_namespace(request).await.infer_error()?;
-            Python::with_gil(|py| -> PyResult<Py<PyDict>> {
-                let dict = PyDict::new(py);
-                dict.set_item("properties", response.properties)?;
-                Ok(dict.unbind())
-            })
-        })
-    }
-
-    #[pyo3(signature = (namespace, mode=None, behavior=None))]
-    pub fn drop_namespace(
-        self_: PyRef<'_, Self>,
-        namespace: Vec<String>,
-        mode: Option<String>,
-        behavior: Option<String>,
-    ) -> PyResult<Bound<'_, PyAny>> {
-        let inner = self_.get_inner()?.clone();
-        let py = self_.py();
-        future_into_py(py, async move {
-            use lance_namespace::models::{drop_namespace_request, DropNamespaceRequest};
-            let mode_enum = mode.and_then(|m| match m.to_uppercase().as_str() {
-                "SKIP" => Some(drop_namespace_request::Mode::Skip),
-                "FAIL" => Some(drop_namespace_request::Mode::Fail),
-                _ => None,
-            });
-            let behavior_enum = behavior.and_then(|b| match b.to_uppercase().as_str() {
-                "RESTRICT" => Some(drop_namespace_request::Behavior::Restrict),
-                "CASCADE" => Some(drop_namespace_request::Behavior::Cascade),
-                _ => None,
-            });
-            let request = DropNamespaceRequest {
-                id: if namespace.is_empty() {
-                    None
-                } else {
-                    Some(namespace)
-                },
-                mode: mode_enum,
-                behavior: behavior_enum,
-            };
-            let response = inner.drop_namespace(request).await.infer_error()?;
-            Python::with_gil(|py| -> PyResult<Py<PyDict>> {
-                let dict = PyDict::new(py);
-                dict.set_item("properties", response.properties)?;
-                dict.set_item("transaction_id", response.transaction_id)?;
-                Ok(dict.unbind())
-            })
         })
     }
 
     #[pyo3(signature = (namespace,))]
-    pub fn describe_namespace(
+    pub fn create_namespace(
         self_: PyRef<'_, Self>,
         namespace: Vec<String>,
     ) -> PyResult<Bound<'_, PyAny>> {
         let inner = self_.get_inner()?.clone();
-        let py = self_.py();
+        future_into_py(self_.py(), async move {
-        future_into_py(py, async move {
+            use lancedb::database::CreateNamespaceRequest;
-            use lance_namespace::models::DescribeNamespaceRequest;
+            let request = CreateNamespaceRequest { namespace };
-            let request = DescribeNamespaceRequest {
+            inner.create_namespace(request).await.infer_error()
-                id: if namespace.is_empty() {
-                    None
-                } else {
-                    Some(namespace)
-                },
-            };
-            let response = inner.describe_namespace(request).await.infer_error()?;
-            Python::with_gil(|py| -> PyResult<Py<PyDict>> {
-                let dict = PyDict::new(py);
-                dict.set_item("properties", response.properties)?;
-                Ok(dict.unbind())
-            })
         })
     }
 
-    #[pyo3(signature = (namespace=vec![], page_token=None, limit=None))]
+    #[pyo3(signature = (namespace,))]
-    pub fn list_tables(
+    pub fn drop_namespace(
         self_: PyRef<'_, Self>,
         namespace: Vec<String>,
-        page_token: Option<String>,
-        limit: Option<u32>,
     ) -> PyResult<Bound<'_, PyAny>> {
         let inner = self_.get_inner()?.clone();
-        let py = self_.py();
+        future_into_py(self_.py(), async move {
-        future_into_py(py, async move {
+            use lancedb::database::DropNamespaceRequest;
-            use lance_namespace::models::ListTablesRequest;
+            let request = DropNamespaceRequest { namespace };
-            let request = ListTablesRequest {
+            inner.drop_namespace(request).await.infer_error()
-                id: if namespace.is_empty() {
-                    None
-                } else {
-                    Some(namespace)
-                },
-                page_token,
-                limit: limit.map(|l| l as i32),
-            };
-            let response = inner.list_tables(request).await.infer_error()?;
-            Python::with_gil(|py| -> PyResult<Py<PyDict>> {
-                let dict = PyDict::new(py);
-                dict.set_item("tables", response.tables)?;
-                dict.set_item("page_token", response.page_token)?;
-                Ok(dict.unbind())
-            })
         })
     }
 }

python/src/index.rs

@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: Copyright The LanceDB Authors
 
-use lancedb::index::vector::{IvfFlatIndexBuilder, IvfRqIndexBuilder, IvfSqIndexBuilder};
+use lancedb::index::vector::{IvfFlatIndexBuilder, IvfRqIndexBuilder};
 use lancedb::index::{
     scalar::{BTreeIndexBuilder, FtsIndexBuilder},
     vector::{IvfHnswPqIndexBuilder, IvfHnswSqIndexBuilder, IvfPqIndexBuilder},
@@ -87,21 +87,6 @@ pub fn extract_index_params(source: &Option<Bound<'_, PyAny>>) -> PyResult<Lance
                 }
                 Ok(LanceDbIndex::IvfPq(ivf_pq_builder))
             },
-            "IvfSq" => {
-                let params = source.extract::<IvfSqParams>()?;
-                let distance_type = parse_distance_type(params.distance_type)?;
-                let mut ivf_sq_builder = IvfSqIndexBuilder::default()
-                    .distance_type(distance_type)
-                    .max_iterations(params.max_iterations)
-                    .sample_rate(params.sample_rate);
-                if let Some(num_partitions) = params.num_partitions {
-                    ivf_sq_builder = ivf_sq_builder.num_partitions(num_partitions);
-                }
-                if let Some(target_partition_size) = params.target_partition_size {
-                    ivf_sq_builder = ivf_sq_builder.target_partition_size(target_partition_size);
-                }
-                Ok(LanceDbIndex::IvfSq(ivf_sq_builder))
-            },
             "IvfRq" => {
                 let params = source.extract::<IvfRqParams>()?;
                 let distance_type = parse_distance_type(params.distance_type)?;
@@ -157,7 +142,7 @@ pub fn extract_index_params(source: &Option<Bound<'_, PyAny>>) -> PyResult<Lance
                 Ok(LanceDbIndex::IvfHnswSq(hnsw_sq_builder))
             },
             not_supported => Err(PyValueError::new_err(format!(
-                "Invalid index type '{}'.  Must be one of BTree, Bitmap, LabelList, FTS, IvfPq, IvfSq, IvfHnswPq, or IvfHnswSq",
+                "Invalid index type '{}'.  Must be one of BTree, Bitmap, LabelList, FTS, IvfPq, IvfHnswPq, or IvfHnswSq",
                 not_supported
             ))),
         }
@@ -201,15 +186,6 @@ struct IvfPqParams {
     target_partition_size: Option<u32>,
 }
 
-#[derive(FromPyObject)]
-struct IvfSqParams {
-    distance_type: String,
-    num_partitions: Option<u32>,
-    max_iterations: u32,
-    sample_rate: u32,
-    target_partition_size: Option<u32>,
-}
-
 #[derive(FromPyObject)]
 struct IvfRqParams {
     distance_type: String,

rust/lancedb/src/connection.rs

@@ -9,11 +9,6 @@ use std::sync::Arc;
 use arrow_array::RecordBatchReader;
 use arrow_schema::{Field, SchemaRef};
 use lance::dataset::ReadParams;
-use lance_namespace::models::{
-    CreateNamespaceRequest, CreateNamespaceResponse, DescribeNamespaceRequest,
-    DescribeNamespaceResponse, DropNamespaceRequest, DropNamespaceResponse, ListNamespacesRequest,
-    ListNamespacesResponse, ListTablesRequest, ListTablesResponse,
-};
 #[cfg(feature = "aws")]
 use object_store::aws::AwsCredential;
 
@@ -22,8 +17,9 @@ use crate::database::listing::{
     ListingDatabase, OPT_NEW_TABLE_STORAGE_VERSION, OPT_NEW_TABLE_V2_MANIFEST_PATHS,
 };
 use crate::database::{
-    CloneTableRequest, CreateTableData, CreateTableMode, CreateTableRequest, Database,
+    CloneTableRequest, CreateNamespaceRequest, CreateTableData, CreateTableMode,
-    DatabaseOptions, OpenTableRequest, ReadConsistency, TableNamesRequest,
+    CreateTableRequest, Database, DatabaseOptions, DropNamespaceRequest, ListNamespacesRequest,
+    OpenTableRequest, ReadConsistency, TableNamesRequest,
 };
 use crate::embeddings::{
     EmbeddingDefinition, EmbeddingFunction, EmbeddingRegistry, MemoryRegistry, WithEmbeddings,
@@ -78,7 +74,6 @@ impl TableNamesBuilder {
     }
 
     /// Execute the table names operation
-    #[allow(deprecated)]
     pub async fn execute(self) -> Result<Vec<String>> {
         self.parent.clone().table_names(self.request).await
     }
@@ -413,7 +408,6 @@ impl OpenTableBuilder {
                 index_cache_size: None,
                 lance_read_params: None,
                 location: None,
-                namespace_client: None,
             },
             embedding_registry,
         }
@@ -773,42 +767,20 @@ impl Connection {
     }
 
     /// List immediate child namespace names in the given namespace
-    pub async fn list_namespaces(
+    pub async fn list_namespaces(&self, request: ListNamespacesRequest) -> Result<Vec<String>> {
-        &self,
-        request: ListNamespacesRequest,
-    ) -> Result<ListNamespacesResponse> {
         self.internal.list_namespaces(request).await
     }
 
     /// Create a new namespace
-    pub async fn create_namespace(
+    pub async fn create_namespace(&self, request: CreateNamespaceRequest) -> Result<()> {
-        &self,
-        request: CreateNamespaceRequest,
-    ) -> Result<CreateNamespaceResponse> {
         self.internal.create_namespace(request).await
     }
 
     /// Drop a namespace
-    pub async fn drop_namespace(
+    pub async fn drop_namespace(&self, request: DropNamespaceRequest) -> Result<()> {
-        &self,
-        request: DropNamespaceRequest,
-    ) -> Result<DropNamespaceResponse> {
         self.internal.drop_namespace(request).await
     }
 
-    /// Describe a namespace
-    pub async fn describe_namespace(
-        &self,
-        request: DescribeNamespaceRequest,
-    ) -> Result<DescribeNamespaceResponse> {
-        self.internal.describe_namespace(request).await
-    }
-
-    /// List tables with pagination support
-    pub async fn list_tables(&self, request: ListTablesRequest) -> Result<ListTablesResponse> {
-        self.internal.list_tables(request).await
-    }
-
     /// Get the in-memory embedding registry.
     /// It's important to note that the embedding registry is not persisted across connections.
     /// So if a table contains embeddings, you will need to make sure that you are using a connection that has the same embedding functions registered
@@ -1114,7 +1086,6 @@ pub struct ConnectNamespaceBuilder {
     read_consistency_interval: Option<std::time::Duration>,
     embedding_registry: Option<Arc<dyn EmbeddingRegistry>>,
     session: Option<Arc<lance::session::Session>>,
-    server_side_query_enabled: bool,
 }
 
 impl ConnectNamespaceBuilder {
@@ -1126,7 +1097,6 @@ impl ConnectNamespaceBuilder {
             read_consistency_interval: None,
             embedding_registry: None,
             session: None,
-            server_side_query_enabled: false,
         }
     }
 
@@ -1181,18 +1151,6 @@ impl ConnectNamespaceBuilder {
         self
     }
 
-    /// Enable server-side query execution.
-    ///
-    /// When enabled, queries will be executed on the namespace server instead of
-    /// locally. This can improve performance by reducing data transfer and
-    /// leveraging server-side compute resources.
-    ///
-    /// Default is `false` (queries executed locally).
-    pub fn server_side_query(mut self, enabled: bool) -> Self {
-        self.server_side_query_enabled = enabled;
-        self
-    }
-
     /// Execute the connection
     pub async fn execute(self) -> Result<Connection> {
         use crate::database::namespace::LanceNamespaceDatabase;
@@ -1204,7 +1162,6 @@ impl ConnectNamespaceBuilder {
                 self.storage_options,
                 self.read_consistency_interval,
                 self.session,
-                self.server_side_query_enabled,
             )
             .await?,
         );

rust/lancedb/src/database.rs

@@ -24,12 +24,6 @@ use datafusion_physical_plan::stream::RecordBatchStreamAdapter;
 use futures::stream;
 use lance::dataset::ReadParams;
 use lance_datafusion::utils::StreamingWriteSource;
-use lance_namespace::models::{
-    CreateNamespaceRequest, CreateNamespaceResponse, DescribeNamespaceRequest,
-    DescribeNamespaceResponse, DropNamespaceRequest, DropNamespaceResponse, ListNamespacesRequest,
-    ListNamespacesResponse, ListTablesRequest, ListTablesResponse,
-};
-use lance_namespace::LanceNamespace;
 
 use crate::arrow::{SendableRecordBatchStream, SendableRecordBatchStreamExt};
 use crate::error::Result;
@@ -42,7 +36,32 @@ pub trait DatabaseOptions {
     fn serialize_into_map(&self, map: &mut HashMap<String, String>);
 }
 
-/// A request to list names of tables in the database (deprecated, use ListTablesRequest)
+/// A request to list namespaces in the database
+#[derive(Clone, Debug, Default)]
+pub struct ListNamespacesRequest {
+    /// The parent namespace to list namespaces in. Empty list represents root namespace.
+    pub namespace: Vec<String>,
+    /// If present, only return names that come lexicographically after the supplied value.
+    pub page_token: Option<String>,
+    /// The maximum number of namespace names to return
+    pub limit: Option<u32>,
+}
+
+/// A request to create a namespace
+#[derive(Clone, Debug)]
+pub struct CreateNamespaceRequest {
+    /// The namespace identifier to create
+    pub namespace: Vec<String>,
+}
+
+/// A request to drop a namespace
+#[derive(Clone, Debug)]
+pub struct DropNamespaceRequest {
+    /// The namespace identifier to drop
+    pub namespace: Vec<String>,
+}
+
+/// A request to list names of tables in the database
 #[derive(Clone, Debug, Default)]
 pub struct TableNamesRequest {
     /// The namespace to list tables in. Empty list represents root namespace.
@@ -58,7 +77,7 @@ pub struct TableNamesRequest {
 }
 
 /// A request to open a table
-#[derive(Clone)]
+#[derive(Clone, Debug)]
 pub struct OpenTableRequest {
     pub name: String,
     /// The namespace to open the table from. Empty list represents root namespace.
@@ -68,22 +87,6 @@ pub struct OpenTableRequest {
     /// Optional custom location for the table. If not provided, the database will
     /// derive a location based on its URI and the table name.
     pub location: Option<String>,
-    /// Optional namespace client for server-side query execution.
-    /// When set, queries will be executed on the namespace server instead of locally.
-    pub namespace_client: Option<Arc<dyn LanceNamespace>>,
-}
-
-impl std::fmt::Debug for OpenTableRequest {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("OpenTableRequest")
-            .field("name", &self.name)
-            .field("namespace", &self.namespace)
-            .field("index_cache_size", &self.index_cache_size)
-            .field("lance_read_params", &self.lance_read_params)
-            .field("location", &self.location)
-            .field("namespace_client", &self.namespace_client)
-            .finish()
-    }
 }
 
 pub type TableBuilderCallback = Box<dyn FnOnce(OpenTableRequest) -> OpenTableRequest + Send>;
@@ -167,9 +170,6 @@ pub struct CreateTableRequest {
     /// Optional custom location for the table. If not provided, the database will
     /// derive a location based on its URI and the table name.
     pub location: Option<String>,
-    /// Optional namespace client for server-side query execution.
-    /// When set, queries will be executed on the namespace server instead of locally.
-    pub namespace_client: Option<Arc<dyn LanceNamespace>>,
 }
 
 impl CreateTableRequest {
@@ -181,7 +181,6 @@ impl CreateTableRequest {
             mode: CreateTableMode::default(),
             write_options: WriteOptions::default(),
             location: None,
-            namespace_client: None,
         }
     }
 }
@@ -248,30 +247,13 @@ pub trait Database:
     /// Get the read consistency of the database
     async fn read_consistency(&self) -> Result<ReadConsistency>;
     /// List immediate child namespace names in the given namespace
-    async fn list_namespaces(
+    async fn list_namespaces(&self, request: ListNamespacesRequest) -> Result<Vec<String>>;
-        &self,
-        request: ListNamespacesRequest,
-    ) -> Result<ListNamespacesResponse>;
     /// Create a new namespace
-    async fn create_namespace(
+    async fn create_namespace(&self, request: CreateNamespaceRequest) -> Result<()>;
-        &self,
-        request: CreateNamespaceRequest,
-    ) -> Result<CreateNamespaceResponse>;
     /// Drop a namespace
-    async fn drop_namespace(&self, request: DropNamespaceRequest) -> Result<DropNamespaceResponse>;
+    async fn drop_namespace(&self, request: DropNamespaceRequest) -> Result<()>;
-    /// Describe a namespace (get its properties)
-    async fn describe_namespace(
-        &self,
-        request: DescribeNamespaceRequest,
-    ) -> Result<DescribeNamespaceResponse>;
     /// List the names of tables in the database
-    ///
-    /// # Deprecated
-    /// Use `list_tables` instead for pagination support
-    #[deprecated(note = "Use list_tables instead")]
     async fn table_names(&self, request: TableNamesRequest) -> Result<Vec<String>>;
-    /// List tables in the database with pagination support
-    async fn list_tables(&self, request: ListTablesRequest) -> Result<ListTablesResponse>;
     /// Create a table in the database
     async fn create_table(&self, request: CreateTableRequest) -> Result<Arc<dyn BaseTable>>;
     /// Clone a table in the database.

rust/lancedb/src/database/listing.rs

@@ -24,15 +24,10 @@ use crate::io::object_store::MirroringObjectStoreWrapper;
 use crate::table::NativeTable;
 use crate::utils::validate_table_name;
 
-use lance_namespace::models::{
-    CreateNamespaceRequest, CreateNamespaceResponse, DescribeNamespaceRequest,
-    DescribeNamespaceResponse, DropNamespaceRequest, DropNamespaceResponse, ListNamespacesRequest,
-    ListNamespacesResponse, ListTablesRequest, ListTablesResponse,
-};
-
 use super::{
-    BaseTable, CloneTableRequest, CreateTableMode, CreateTableRequest, Database, DatabaseOptions,
+    BaseTable, CloneTableRequest, CreateNamespaceRequest, CreateTableMode, CreateTableRequest,
-    OpenTableRequest, TableNamesRequest,
+    Database, DatabaseOptions, DropNamespaceRequest, ListNamespacesRequest, OpenTableRequest,
+    TableNamesRequest,
 };
 
 /// File extension to indicate a lance table
@@ -646,7 +641,6 @@ impl ListingDatabase {
                     index_cache_size: None,
                     lance_read_params: None,
                     location: None,
-                    namespace_client: None,
                 };
                 let req = (callback)(req);
                 let table = self.open_table(req).await?;
@@ -668,20 +662,14 @@ impl ListingDatabase {
 
 #[async_trait::async_trait]
 impl Database for ListingDatabase {
-    async fn list_namespaces(
+    async fn list_namespaces(&self, request: ListNamespacesRequest) -> Result<Vec<String>> {
-        &self,
+        if !request.namespace.is_empty() {
-        request: ListNamespacesRequest,
-    ) -> Result<ListNamespacesResponse> {
-        if request.id.as_ref().map(|v| !v.is_empty()).unwrap_or(false) {
             return Err(Error::NotSupported {
                 message: "Namespace operations are not supported for listing database".into(),
             });
         }
 
-        Ok(ListNamespacesResponse {
+        Ok(Vec::new())
-            namespaces: Vec::new(),
-            page_token: None,
-        })
     }
 
     fn uri(&self) -> &str {
@@ -700,28 +688,13 @@ impl Database for ListingDatabase {
         }
     }
 
-    async fn create_namespace(
+    async fn create_namespace(&self, _request: CreateNamespaceRequest) -> Result<()> {
-        &self,
-        _request: CreateNamespaceRequest,
-    ) -> Result<CreateNamespaceResponse> {
         Err(Error::NotSupported {
             message: "Namespace operations are not supported for listing database".into(),
         })
     }
 
-    async fn drop_namespace(
+    async fn drop_namespace(&self, _request: DropNamespaceRequest) -> Result<()> {
-        &self,
-        _request: DropNamespaceRequest,
-    ) -> Result<DropNamespaceResponse> {
-        Err(Error::NotSupported {
-            message: "Namespace operations are not supported for listing database".into(),
-        })
-    }
-
-    async fn describe_namespace(
-        &self,
-        _request: DescribeNamespaceRequest,
-    ) -> Result<DescribeNamespaceResponse> {
         Err(Error::NotSupported {
             message: "Namespace operations are not supported for listing database".into(),
         })
@@ -762,57 +735,6 @@ impl Database for ListingDatabase {
         Ok(f)
     }
 
-    async fn list_tables(&self, request: ListTablesRequest) -> Result<ListTablesResponse> {
-        if request.id.as_ref().map(|v| !v.is_empty()).unwrap_or(false) {
-            return Err(Error::NotSupported {
-                message: "Namespace parameter is not supported for listing database. Only root namespace is supported.".into(),
-            });
-        }
-        let mut f = self
-            .object_store
-            .read_dir(self.base_path.clone())
-            .await?
-            .iter()
-            .map(Path::new)
-            .filter(|path| {
-                let is_lance = path
-                    .extension()
-                    .and_then(|e| e.to_str())
-                    .map(|e| e == LANCE_EXTENSION);
-                is_lance.unwrap_or(false)
-            })
-            .filter_map(|p| p.file_stem().and_then(|s| s.to_str().map(String::from)))
-            .collect::<Vec<String>>();
-        f.sort();
-
-        // Handle pagination with page_token
-        if let Some(ref page_token) = request.page_token {
-            let index = f
-                .iter()
-                .position(|name| name.as_str() > page_token.as_str())
-                .unwrap_or(f.len());
-            f.drain(0..index);
-        }
-
-        // Determine if there's a next page
-        let next_page_token = if let Some(limit) = request.limit {
-            if f.len() > limit as usize {
-                let token = f[limit as usize].clone();
-                f.truncate(limit as usize);
-                Some(token)
-            } else {
-                None
-            }
-        } else {
-            None
-        };
-
-        Ok(ListTablesResponse {
-            tables: f,
-            page_token: next_page_token,
-        })
-    }
-
     async fn create_table(&self, request: CreateTableRequest) -> Result<Arc<dyn BaseTable>> {
         // When namespace is not empty, location must be provided
         if !request.namespace.is_empty() && request.location.is_none() {
@@ -846,7 +768,6 @@ impl Database for ListingDatabase {
             self.store_wrapper.clone(),
             Some(write_params),
             self.read_consistency_interval,
-            request.namespace_client,
         )
         .await
         {
@@ -918,7 +839,6 @@ impl Database for ListingDatabase {
             self.store_wrapper.clone(),
             None,
             self.read_consistency_interval,
-            None,
         )
         .await?;
 
@@ -990,7 +910,6 @@ impl Database for ListingDatabase {
                 self.store_wrapper.clone(),
                 Some(read_params),
                 self.read_consistency_interval,
-                request.namespace_client,
             )
             .await?,
         );
@@ -1028,7 +947,6 @@ impl Database for ListingDatabase {
         self.drop_tables(vec![name.to_string()]).await
     }
 
-    #[allow(deprecated)]
     async fn drop_all_tables(&self, namespace: &[String]) -> Result<()> {
         // Check if namespace parameter is provided
         if !namespace.is_empty() {
@@ -1093,7 +1011,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options: Default::default(),
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1115,7 +1032,6 @@ mod tests {
             .unwrap();
 
         // Verify both tables exist
-        #[allow(deprecated)]
         let table_names = db.table_names(TableNamesRequest::default()).await.unwrap();
         assert!(table_names.contains(&"source_table".to_string()));
         assert!(table_names.contains(&"cloned_table".to_string()));
@@ -1159,7 +1075,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options: Default::default(),
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1218,7 +1133,6 @@ mod tests {
             mode: CreateTableMode::Create,
             write_options: Default::default(),
             location: None,
-            namespace_client: None,
         })
         .await
         .unwrap();
@@ -1254,7 +1168,6 @@ mod tests {
             mode: CreateTableMode::Create,
             write_options: Default::default(),
             location: None,
-            namespace_client: None,
         })
         .await
         .unwrap();
@@ -1294,7 +1207,6 @@ mod tests {
             mode: CreateTableMode::Create,
             write_options: Default::default(),
             location: None,
-            namespace_client: None,
         })
         .await
         .unwrap();
@@ -1334,7 +1246,6 @@ mod tests {
             mode: CreateTableMode::Create,
             write_options: Default::default(),
             location: None,
-            namespace_client: None,
         })
         .await
         .unwrap();
@@ -1389,7 +1300,6 @@ mod tests {
             mode: CreateTableMode::Create,
             write_options: Default::default(),
             location: None,
-            namespace_client: None,
         })
         .await
         .unwrap();
@@ -1447,7 +1357,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options: Default::default(),
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1533,7 +1442,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options: Default::default(),
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1620,7 +1528,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options: Default::default(),
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1714,7 +1621,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options: Default::default(),
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1812,7 +1718,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options: Default::default(),
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1866,7 +1771,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options,
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();
@@ -1940,7 +1844,6 @@ mod tests {
                 mode: CreateTableMode::Create,
                 write_options,
                 location: None,
-                namespace_client: None,
             })
             .await
             .unwrap();

rust/lancedb/src/database/namespace.rs

@@ -10,10 +10,8 @@ use async_trait::async_trait;
 use lance_io::object_store::{LanceNamespaceStorageOptionsProvider, StorageOptionsProvider};
 use lance_namespace::{
     models::{
-        CreateEmptyTableRequest, CreateNamespaceRequest, CreateNamespaceResponse,
+        CreateEmptyTableRequest, CreateNamespaceRequest, DescribeTableRequest,
-        DescribeNamespaceRequest, DescribeNamespaceResponse, DescribeTableRequest,
+        DropNamespaceRequest, DropTableRequest, ListNamespacesRequest, ListTablesRequest,
-        DropNamespaceRequest, DropNamespaceResponse, DropTableRequest, ListNamespacesRequest,
-        ListNamespacesResponse, ListTablesRequest, ListTablesResponse,
     },
     LanceNamespace,
 };
@@ -24,8 +22,11 @@ use crate::database::ReadConsistency;
 use crate::error::{Error, Result};
 
 use super::{
-    listing::ListingDatabase, BaseTable, CloneTableRequest, CreateTableMode,
+    listing::ListingDatabase, BaseTable, CloneTableRequest,
-    CreateTableRequest as DbCreateTableRequest, Database, OpenTableRequest, TableNamesRequest,
+    CreateNamespaceRequest as DbCreateNamespaceRequest, CreateTableMode,
+    CreateTableRequest as DbCreateTableRequest, Database,
+    DropNamespaceRequest as DbDropNamespaceRequest,
+    ListNamespacesRequest as DbListNamespacesRequest, OpenTableRequest, TableNamesRequest,
 };
 
 /// A database implementation that uses lance-namespace for table management
@@ -39,8 +40,6 @@ pub struct LanceNamespaceDatabase {
     session: Option<Arc<lance::session::Session>>,
     // database URI
     uri: String,
-    // Whether to enable server-side query execution
-    server_side_query_enabled: bool,
 }
 
 impl LanceNamespaceDatabase {
@@ -50,7 +49,6 @@ impl LanceNamespaceDatabase {
         storage_options: HashMap<String, String>,
         read_consistency_interval: Option<std::time::Duration>,
         session: Option<Arc<lance::session::Session>>,
-        server_side_query_enabled: bool,
     ) -> Result<Self> {
         let mut builder = ConnectBuilder::new(ns_impl);
         for (key, value) in ns_properties.clone() {
@@ -69,7 +67,6 @@ impl LanceNamespaceDatabase {
             read_consistency_interval,
             session,
             uri: format!("namespace://{}", ns_impl),
-            server_side_query_enabled,
         })
     }
 }
@@ -79,7 +76,6 @@ impl std::fmt::Debug for LanceNamespaceDatabase {
         f.debug_struct("LanceNamespaceDatabase")
             .field("storage_options", &self.storage_options)
             .field("read_consistency_interval", &self.read_consistency_interval)
-            .field("server_side_query_enabled", &self.server_side_query_enabled)
             .finish()
     }
 }
@@ -153,47 +149,92 @@ impl Database for LanceNamespaceDatabase {
         }
     }
 
-    async fn list_namespaces(
+    async fn list_namespaces(&self, request: DbListNamespacesRequest) -> Result<Vec<String>> {
-        &self,
+        let ns_request = ListNamespacesRequest {
-        request: ListNamespacesRequest,
+            id: if request.namespace.is_empty() {
-    ) -> Result<ListNamespacesResponse> {
+                None
-        Ok(self.namespace.list_namespaces(request).await?)
+            } else {
+                Some(request.namespace)
+            },
+            page_token: request.page_token,
+            limit: request.limit.map(|l| l as i32),
+        };
+
+        let response = self
+            .namespace
+            .list_namespaces(ns_request)
+            .await
+            .map_err(|e| Error::Runtime {
+                message: format!("Failed to list namespaces: {}", e),
+            })?;
+
+        Ok(response.namespaces)
     }
 
-    async fn create_namespace(
+    async fn create_namespace(&self, request: DbCreateNamespaceRequest) -> Result<()> {
-        &self,
+        let ns_request = CreateNamespaceRequest {
-        request: CreateNamespaceRequest,
+            id: if request.namespace.is_empty() {
-    ) -> Result<CreateNamespaceResponse> {
+                None
-        Ok(self.namespace.create_namespace(request).await?)
+            } else {
+                Some(request.namespace)
+            },
+            mode: None,
+            properties: None,
+        };
+
+        self.namespace
+            .create_namespace(ns_request)
+            .await
+            .map_err(|e| Error::Runtime {
+                message: format!("Failed to create namespace: {}", e),
+            })?;
+
+        Ok(())
     }
 
-    async fn drop_namespace(&self, request: DropNamespaceRequest) -> Result<DropNamespaceResponse> {
+    async fn drop_namespace(&self, request: DbDropNamespaceRequest) -> Result<()> {
-        Ok(self.namespace.drop_namespace(request).await?)
+        let ns_request = DropNamespaceRequest {
-    }
+            id: if request.namespace.is_empty() {
+                None
+            } else {
+                Some(request.namespace)
+            },
+            mode: None,
+            behavior: None,
+        };
 
-    async fn describe_namespace(
+        self.namespace
-        &self,
+            .drop_namespace(ns_request)
-        request: DescribeNamespaceRequest,
+            .await
-    ) -> Result<DescribeNamespaceResponse> {
+            .map_err(|e| Error::Runtime {
-        Ok(self.namespace.describe_namespace(request).await?)
+                message: format!("Failed to drop namespace: {}", e),
+            })?;
+
+        Ok(())
     }
 
     async fn table_names(&self, request: TableNamesRequest) -> Result<Vec<String>> {
         let ns_request = ListTablesRequest {
-            id: Some(request.namespace),
+            id: if request.namespace.is_empty() {
+                None
+            } else {
+                Some(request.namespace)
+            },
             page_token: request.start_after,
             limit: request.limit.map(|l| l as i32),
         };
 
-        let response = self.namespace.list_tables(ns_request).await?;
+        let response =
+            self.namespace
+                .list_tables(ns_request)
+                .await
+                .map_err(|e| Error::Runtime {
+                    message: format!("Failed to list tables: {}", e),
+                })?;
 
         Ok(response.tables)
     }
 
-    async fn list_tables(&self, request: ListTablesRequest) -> Result<ListTablesResponse> {
-        Ok(self.namespace.list_tables(request).await?)
-    }
-
     async fn create_table(&self, request: DbCreateTableRequest) -> Result<Arc<dyn BaseTable>> {
         // Extract user-provided storage options from request
         let user_storage_options = request
@@ -249,10 +290,6 @@ impl Database for LanceNamespaceDatabase {
                         )
                         .await?;
 
-                    let namespace_client = self
-                        .server_side_query_enabled
-                        .then(|| self.namespace.clone());
-
                     return listing_db
                         .open_table(OpenTableRequest {
                             name: request.name.clone(),
@@ -260,7 +297,6 @@ impl Database for LanceNamespaceDatabase {
                             index_cache_size: None,
                             lance_read_params: None,
                             location: Some(location),
-                            namespace_client,
                         })
                         .await;
                 }
@@ -297,16 +333,12 @@ impl Database for LanceNamespaceDatabase {
         let listing_db = self
             .create_listing_database(
                 &location,
-                table_id.clone(),
+                table_id,
                 user_storage_options,
                 create_empty_response.storage_options.as_ref(),
             )
             .await?;
 
-        let namespace_client = self
-            .server_side_query_enabled
-            .then(|| self.namespace.clone());
-
         let create_request = DbCreateTableRequest {
             name: request.name,
             namespace: request.namespace,
@@ -314,9 +346,7 @@ impl Database for LanceNamespaceDatabase {
             mode: request.mode,
             write_options: request.write_options,
             location: Some(location),
-            namespace_client,
         };
-
         listing_db.create_table(create_request).await
     }
 
@@ -350,25 +380,19 @@ impl Database for LanceNamespaceDatabase {
         let listing_db = self
             .create_listing_database(
                 &location,
-                table_id.clone(),
+                table_id,
                 user_storage_options,
                 response.storage_options.as_ref(),
             )
             .await?;
 
-        let namespace_client = self
-            .server_side_query_enabled
-            .then(|| self.namespace.clone());
-
         let open_request = OpenTableRequest {
             name: request.name.clone(),
             namespace: request.namespace.clone(),
             index_cache_size: request.index_cache_size,
             lance_read_params: request.lance_read_params,
             location: Some(location),
-            namespace_client,
         };
-
         listing_db.open_table(open_request).await
     }
 
@@ -405,7 +429,6 @@ impl Database for LanceNamespaceDatabase {
         Ok(())
     }
 
-    #[allow(deprecated)]
     async fn drop_all_tables(&self, namespace: &[String]) -> Result<()> {
         let tables = self
             .table_names(TableNamesRequest {
@@ -432,6 +455,7 @@ impl Database for LanceNamespaceDatabase {
 mod tests {
     use super::*;
     use crate::connect_namespace;
+    use crate::database::CreateNamespaceRequest;
     use crate::query::ExecutableQuery;
     use arrow_array::{Int32Array, RecordBatch, RecordBatchIterator, StringArray};
     use arrow_schema::{DataType, Field, Schema};
@@ -544,9 +568,7 @@ mod tests {
 
         // Create a child namespace first
         conn.create_namespace(CreateNamespaceRequest {
-            id: Some(vec!["test_ns".into()]),
+            namespace: vec!["test_ns".into()],
-            mode: None,
-            properties: None,
         })
         .await
         .expect("Failed to create namespace");
@@ -605,9 +627,7 @@ mod tests {
 
         // Create a child namespace first
         conn.create_namespace(CreateNamespaceRequest {
-            id: Some(vec!["test_ns".into()]),
+            namespace: vec!["test_ns".into()],
-            mode: None,
-            properties: None,
         })
         .await
         .expect("Failed to create namespace");
@@ -669,9 +689,7 @@ mod tests {
 
         // Create a child namespace first
         conn.create_namespace(CreateNamespaceRequest {
-            id: Some(vec!["test_ns".into()]),
+            namespace: vec!["test_ns".into()],
-            mode: None,
-            properties: None,
         })
         .await
         .expect("Failed to create namespace");
@@ -753,9 +771,7 @@ mod tests {
 
         // Create a child namespace first
         conn.create_namespace(CreateNamespaceRequest {
-            id: Some(vec!["test_ns".into()]),
+            namespace: vec!["test_ns".into()],
-            mode: None,
-            properties: None,
         })
         .await
         .expect("Failed to create namespace");
@@ -809,9 +825,7 @@ mod tests {
 
         // Create a child namespace first
         conn.create_namespace(CreateNamespaceRequest {
-            id: Some(vec!["test_ns".into()]),
+            namespace: vec!["test_ns".into()],
-            mode: None,
-            properties: None,
         })
         .await
         .expect("Failed to create namespace");
@@ -890,9 +904,7 @@ mod tests {
 
         // Create a child namespace first
         conn.create_namespace(CreateNamespaceRequest {
-            id: Some(vec!["test_ns".into()]),
+            namespace: vec!["test_ns".into()],
-            mode: None,
-            properties: None,
         })
         .await
         .expect("Failed to create namespace");
@@ -924,9 +936,7 @@ mod tests {
 
         // Create a child namespace first
         conn.create_namespace(CreateNamespaceRequest {
-            id: Some(vec!["test_ns".into()]),
+            namespace: vec!["test_ns".into()],
-            mode: None,
-            properties: None,
         })
         .await
         .expect("Failed to create namespace");
@@ -967,46 +977,4 @@ mod tests {
         let open_result = conn.open_table("drop_test").execute().await;
         assert!(open_result.is_err());
     }
-
-    #[tokio::test]
-    async fn test_table_names_at_root() {
-        // Test that table_names at root (empty namespace) works correctly
-        // This is a regression test for a bug where empty namespace was converted to None
-        let tmp_dir = tempdir().unwrap();
-        let root_path = tmp_dir.path().to_str().unwrap().to_string();
-
-        let mut properties = HashMap::new();
-        properties.insert("root".to_string(), root_path);
-
-        let conn = connect_namespace("dir", properties)
-            .execute()
-            .await
-            .expect("Failed to connect to namespace");
-
-        // Create multiple tables at root namespace
-        let test_data1 = create_test_data();
-        let _table1 = conn
-            .create_table("table1", test_data1)
-            .execute()
-            .await
-            .expect("Failed to create table1 at root");
-
-        let test_data2 = create_test_data();
-        let _table2 = conn
-            .create_table("table2", test_data2)
-            .execute()
-            .await
-            .expect("Failed to create table2 at root");
-
-        // List tables at root using table_names (empty namespace means root)
-        let table_names = conn
-            .table_names()
-            .execute()
-            .await
-            .expect("Failed to list tables at root");
-
-        assert!(table_names.contains(&"table1".to_string()));
-        assert!(table_names.contains(&"table2".to_string()));
-        assert_eq!(table_names.len(), 2);
-    }
 }

rust/lancedb/src/index.rs

@@ -13,7 +13,7 @@ use crate::{table::BaseTable, DistanceType, Error, Result};
 
 use self::{
     scalar::{BTreeIndexBuilder, BitmapIndexBuilder, LabelListIndexBuilder},
-    vector::{IvfHnswPqIndexBuilder, IvfHnswSqIndexBuilder, IvfPqIndexBuilder, IvfSqIndexBuilder},
+    vector::{IvfHnswPqIndexBuilder, IvfHnswSqIndexBuilder, IvfPqIndexBuilder},
 };
 
 pub mod scalar;
@@ -54,9 +54,6 @@ pub enum Index {
     /// IVF index with Product Quantization
     IvfPq(IvfPqIndexBuilder),
 
-    /// IVF index with Scalar Quantization
-    IvfSq(IvfSqIndexBuilder),
-
     /// IVF index with RabitQ Quantization
     IvfRq(IvfRqIndexBuilder),
 
@@ -280,8 +277,6 @@ pub enum IndexType {
     // Vector
     #[serde(alias = "IVF_FLAT")]
     IvfFlat,
-    #[serde(alias = "IVF_SQ")]
-    IvfSq,
     #[serde(alias = "IVF_PQ")]
     IvfPq,
     #[serde(alias = "IVF_RQ")]
@@ -306,7 +301,6 @@ impl std::fmt::Display for IndexType {
     fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
         match self {
             Self::IvfFlat => write!(f, "IVF_FLAT"),
-            Self::IvfSq => write!(f, "IVF_SQ"),
             Self::IvfPq => write!(f, "IVF_PQ"),
             Self::IvfRq => write!(f, "IVF_RQ"),
             Self::IvfHnswPq => write!(f, "IVF_HNSW_PQ"),
@@ -329,7 +323,6 @@ impl std::str::FromStr for IndexType {
             "LABEL_LIST" | "LABELLIST" => Ok(Self::LabelList),
             "FTS" | "INVERTED" => Ok(Self::FTS),
             "IVF_FLAT" => Ok(Self::IvfFlat),
-            "IVF_SQ" => Ok(Self::IvfSq),
             "IVF_PQ" => Ok(Self::IvfPq),
             "IVF_RQ" => Ok(Self::IvfRq),
             "IVF_HNSW_PQ" => Ok(Self::IvfHnswPq),

rust/lancedb/src/index/vector.rs

@@ -209,38 +209,6 @@ impl IvfFlatIndexBuilder {
     impl_ivf_params_setter!();
 }
 
-/// Builder for an IVF SQ index.
-///
-/// This index compresses vectors using scalar quantization and groups them into IVF partitions.
-/// It offers a balance between search performance and storage footprint.
-#[derive(Debug, Clone)]
-pub struct IvfSqIndexBuilder {
-    pub(crate) distance_type: DistanceType,
-
-    // IVF
-    pub(crate) num_partitions: Option<u32>,
-    pub(crate) sample_rate: u32,
-    pub(crate) max_iterations: u32,
-    pub(crate) target_partition_size: Option<u32>,
-}
-
-impl Default for IvfSqIndexBuilder {
-    fn default() -> Self {
-        Self {
-            distance_type: DistanceType::L2,
-            num_partitions: None,
-            sample_rate: 256,
-            max_iterations: 50,
-            target_partition_size: None,
-        }
-    }
-}
-
-impl IvfSqIndexBuilder {
-    impl_distance_type_setter!();
-    impl_ivf_params_setter!();
-}
-
 /// Builder for an IVF PQ index.
 ///
 /// This index stores a compressed (quantized) copy of every vector.  These vectors

rust/lancedb/src/remote/db.rs

@@ -10,17 +10,13 @@ use http::StatusCode;
 use lance_io::object_store::StorageOptions;
 use moka::future::Cache;
 use reqwest::header::CONTENT_TYPE;
+use serde::Deserialize;
 use tokio::task::spawn_blocking;
 
-use lance_namespace::models::{
-    CreateNamespaceRequest, CreateNamespaceResponse, DescribeNamespaceRequest,
-    DescribeNamespaceResponse, DropNamespaceRequest, DropNamespaceResponse, ListNamespacesRequest,
-    ListNamespacesResponse, ListTablesRequest, ListTablesResponse,
-};
-
 use crate::database::{
-    CloneTableRequest, CreateTableData, CreateTableMode, CreateTableRequest, Database,
+    CloneTableRequest, CreateNamespaceRequest, CreateTableData, CreateTableMode,
-    DatabaseOptions, OpenTableRequest, ReadConsistency, TableNamesRequest,
+    CreateTableRequest, Database, DatabaseOptions, DropNamespaceRequest, ListNamespacesRequest,
+    OpenTableRequest, ReadConsistency, TableNamesRequest,
 };
 use crate::error::Result;
 use crate::table::BaseTable;
@@ -184,6 +180,11 @@ impl RemoteDatabaseOptionsBuilder {
     }
 }
 
+#[derive(Deserialize)]
+struct ListTablesResponse {
+    tables: Vec<String>,
+}
+
 #[derive(Debug)]
 pub struct RemoteDatabase<S: HttpSend = Sender> {
     client: RestfulLanceDbClient<S>,
@@ -336,6 +337,7 @@ impl<S: HttpSend> Database for RemoteDatabase<S> {
             self.client
                 .get(&format!("/v1/namespace/{}/table/list", namespace_id))
         } else {
+            // TODO: use new API for all listing operations once stable
             self.client.get("/v1/table/")
         };
 
@@ -369,44 +371,6 @@ impl<S: HttpSend> Database for RemoteDatabase<S> {
         Ok(tables)
     }
 
-    async fn list_tables(&self, request: ListTablesRequest) -> Result<ListTablesResponse> {
-        let namespace_parts = request.id.as_deref().unwrap_or(&[]);
-        let namespace_id = build_namespace_identifier(namespace_parts, &self.client.id_delimiter);
-        let mut req = self
-            .client
-            .get(&format!("/v1/namespace/{}/table/list", namespace_id));
-
-        if let Some(limit) = request.limit {
-            req = req.query(&[("limit", limit)]);
-        }
-        if let Some(ref page_token) = request.page_token {
-            req = req.query(&[("page_token", page_token)]);
-        }
-
-        let (request_id, rsp) = self.client.send_with_retry(req, None, true).await?;
-        let rsp = self.client.check_response(&request_id, rsp).await?;
-        let version = parse_server_version(&request_id, &rsp)?;
-        let response: ListTablesResponse = rsp.json().await.err_to_http(request_id)?;
-
-        // Cache the tables for future use
-        let namespace_vec = namespace_parts.to_vec();
-        for table in &response.tables {
-            let table_identifier =
-                build_table_identifier(table, &namespace_vec, &self.client.id_delimiter);
-            let cache_key = build_cache_key(table, &namespace_vec);
-            let remote_table = Arc::new(RemoteTable::new(
-                self.client.clone(),
-                table.clone(),
-                namespace_vec.clone(),
-                table_identifier.clone(),
-                version.clone(),
-            ));
-            self.table_cache.insert(cache_key, remote_table).await;
-        }
-
-        Ok(response)
-    }
-
     async fn create_table(&self, request: CreateTableRequest) -> Result<Arc<dyn BaseTable>> {
         let data = match request.data {
             CreateTableData::Data(data) => data,
@@ -453,7 +417,6 @@ impl<S: HttpSend> Database for RemoteDatabase<S> {
                             index_cache_size: None,
                             lance_read_params: None,
                             location: None,
-                            namespace_client: None,
                         };
                         let req = (callback)(req);
                         self.open_table(req).await
@@ -627,101 +590,53 @@ impl<S: HttpSend> Database for RemoteDatabase<S> {
         })
     }
 
-    async fn list_namespaces(
+    async fn list_namespaces(&self, request: ListNamespacesRequest) -> Result<Vec<String>> {
-        &self,
+        let namespace_id =
-        request: ListNamespacesRequest,
+            build_namespace_identifier(request.namespace.as_slice(), &self.client.id_delimiter);
-    ) -> Result<ListNamespacesResponse> {
-        let namespace_parts = request.id.as_deref().unwrap_or(&[]);
-        let namespace_id = build_namespace_identifier(namespace_parts, &self.client.id_delimiter);
         let mut req = self
             .client
             .get(&format!("/v1/namespace/{}/list", namespace_id));
         if let Some(limit) = request.limit {
             req = req.query(&[("limit", limit)]);
         }
-        if let Some(ref page_token) = request.page_token {
+        if let Some(page_token) = request.page_token {
             req = req.query(&[("page_token", page_token)]);
         }
 
         let (request_id, resp) = self.client.send(req).await?;
         let resp = self.client.check_response(&request_id, resp).await?;
 
-        resp.json().await.err_to_http(request_id)
+        #[derive(Deserialize)]
-    }
+        struct ListNamespacesResponse {
-
+            namespaces: Vec<String>,
-    async fn create_namespace(
-        &self,
-        request: CreateNamespaceRequest,
-    ) -> Result<CreateNamespaceResponse> {
-        let namespace_parts = request.id.as_deref().unwrap_or(&[]);
-        let namespace_id = build_namespace_identifier(namespace_parts, &self.client.id_delimiter);
-        let mut req = self
-            .client
-            .post(&format!("/v1/namespace/{}/create", namespace_id));
-
-        // Build request body with mode and properties if present
-        #[derive(serde::Serialize)]
-        struct CreateNamespaceRequestBody {
-            #[serde(skip_serializing_if = "Option::is_none")]
-            mode: Option<String>,
-            #[serde(skip_serializing_if = "Option::is_none")]
-            properties: Option<HashMap<String, String>>,
         }
 
-        let body = CreateNamespaceRequestBody {
+        let parsed: ListNamespacesResponse = resp.json().await.map_err(|e| Error::Runtime {
-            mode: request.mode.as_ref().map(|m| format!("{:?}", m)),
+            message: format!("Failed to parse namespace response: {}", e),
-            properties: request.properties,
+        })?;
-        };
+        Ok(parsed.namespaces)
-
-        req = req.json(&body);
-        let (request_id, resp) = self.client.send(req).await?;
-        let resp = self.client.check_response(&request_id, resp).await?;
-
-        resp.json().await.err_to_http(request_id)
     }
 
-    async fn drop_namespace(&self, request: DropNamespaceRequest) -> Result<DropNamespaceResponse> {
+    async fn create_namespace(&self, request: CreateNamespaceRequest) -> Result<()> {
-        let namespace_parts = request.id.as_deref().unwrap_or(&[]);
+        let namespace_id =
-        let namespace_id = build_namespace_identifier(namespace_parts, &self.client.id_delimiter);
+            build_namespace_identifier(request.namespace.as_slice(), &self.client.id_delimiter);
-        let mut req = self
-            .client
-            .post(&format!("/v1/namespace/{}/drop", namespace_id));
-
-        // Build request body with mode and behavior if present
-        #[derive(serde::Serialize)]
-        struct DropNamespaceRequestBody {
-            #[serde(skip_serializing_if = "Option::is_none")]
-            mode: Option<String>,
-            #[serde(skip_serializing_if = "Option::is_none")]
-            behavior: Option<String>,
-        }
-
-        let body = DropNamespaceRequestBody {
-            mode: request.mode.as_ref().map(|m| format!("{:?}", m)),
-            behavior: request.behavior.as_ref().map(|b| format!("{:?}", b)),
-        };
-
-        req = req.json(&body);
-        let (request_id, resp) = self.client.send(req).await?;
-        let resp = self.client.check_response(&request_id, resp).await?;
-
-        resp.json().await.err_to_http(request_id)
-    }
-
-    async fn describe_namespace(
-        &self,
-        request: DescribeNamespaceRequest,
-    ) -> Result<DescribeNamespaceResponse> {
-        let namespace_parts = request.id.as_deref().unwrap_or(&[]);
-        let namespace_id = build_namespace_identifier(namespace_parts, &self.client.id_delimiter);
         let req = self
             .client
-            .get(&format!("/v1/namespace/{}/describe", namespace_id));
+            .post(&format!("/v1/namespace/{}/create", namespace_id));
-
         let (request_id, resp) = self.client.send(req).await?;
-        let resp = self.client.check_response(&request_id, resp).await?;
+        self.client.check_response(&request_id, resp).await?;
+        Ok(())
+    }
 
-        resp.json().await.err_to_http(request_id)
+    async fn drop_namespace(&self, request: DropNamespaceRequest) -> Result<()> {
+        let namespace_id =
+            build_namespace_identifier(request.namespace.as_slice(), &self.client.id_delimiter);
+        let req = self
+            .client
+            .post(&format!("/v1/namespace/{}/drop", namespace_id));
+        let (request_id, resp) = self.client.send(req).await?;
+        self.client.check_response(&request_id, resp).await?;
+        Ok(())
     }
 
     fn as_any(&self) -> &dyn std::any::Any {

rust/lancedb/src/remote/table.rs

@@ -1072,14 +1072,6 @@ impl<S: HttpSend> BaseTable for RemoteTable<S> {
                     body["num_bits"] = serde_json::Value::Number(num_bits.into());
                 }
             }
-            Index::IvfSq(index) => {
-                body[INDEX_TYPE_KEY] = serde_json::Value::String("IVF_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::IvfHnswSq(index) => {
                 body[INDEX_TYPE_KEY] = serde_json::Value::String("IVF_HNSW_SQ".to_string());
                 body[METRIC_TYPE_KEY] =

rust/lancedb/src/table.rs

@@ -40,11 +40,6 @@ use lance_index::vector::pq::PQBuildParams;
 use lance_index::vector::sq::builder::SQBuildParams;
 use lance_index::DatasetIndexExt;
 use lance_index::IndexType;
-use lance_namespace::models::{
-    QueryTableRequest as NsQueryTableRequest, QueryTableRequestFullTextQuery,
-    QueryTableRequestVector, StringFtsQuery,
-};
-use lance_namespace::LanceNamespace;
 use lance_table::format::Manifest;
 use lance_table::io::commit::ManifestNamingScheme;
 use log::info;
@@ -1485,7 +1480,7 @@ impl NativeTableExt for Arc<dyn BaseTable> {
 }
 
 /// A table in a LanceDB database.
-#[derive(Clone)]
+#[derive(Debug, Clone)]
 pub struct NativeTable {
     name: String,
     namespace: Vec<String>,
@@ -1495,22 +1490,6 @@ pub struct NativeTable {
     // This comes from the connection options. We store here so we can pass down
     // to the dataset when we recreate it (for example, in checkout_latest).
     read_consistency_interval: Option<std::time::Duration>,
-    // Optional namespace client for server-side query execution.
-    // When set, queries will be executed on the namespace server instead of locally.
-    namespace_client: Option<Arc<dyn LanceNamespace>>,
-}
-
-impl std::fmt::Debug for NativeTable {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        f.debug_struct("NativeTable")
-            .field("name", &self.name)
-            .field("namespace", &self.namespace)
-            .field("id", &self.id)
-            .field("uri", &self.uri)
-            .field("read_consistency_interval", &self.read_consistency_interval)
-            .field("namespace_client", &self.namespace_client)
-            .finish()
-    }
 }
 
 impl std::fmt::Display for NativeTable {
@@ -1545,7 +1524,7 @@ impl NativeTable {
     /// * A [NativeTable] object.
     pub async fn open(uri: &str) -> Result<Self> {
         let name = Self::get_table_name(uri)?;
-        Self::open_with_params(uri, &name, vec![], None, None, None, None).await
+        Self::open_with_params(uri, &name, vec![], None, None, None).await
     }
 
     /// Opens an existing Table
@@ -1555,12 +1534,10 @@ impl NativeTable {
     /// * `base_path` - The base path where the table is located
     /// * `name` The Table name
     /// * `params` The [ReadParams] to use when opening the table
-    /// * `namespace_client` - Optional namespace client for server-side query execution
     ///
     /// # Returns
     ///
     /// * A [NativeTable] object.
-    #[allow(clippy::too_many_arguments)]
     pub async fn open_with_params(
         uri: &str,
         name: &str,
@@ -1568,7 +1545,6 @@ impl NativeTable {
         write_store_wrapper: Option<Arc<dyn WrappingObjectStore>>,
         params: Option<ReadParams>,
         read_consistency_interval: Option<std::time::Duration>,
-        namespace_client: Option<Arc<dyn LanceNamespace>>,
     ) -> Result<Self> {
         let params = params.unwrap_or_default();
         // patch the params if we have a write store wrapper
@@ -1599,18 +1575,9 @@ impl NativeTable {
             uri: uri.to_string(),
             dataset,
             read_consistency_interval,
-            namespace_client,
         })
     }
 
-    /// Set the namespace client for server-side query execution.
-    ///
-    /// When set, queries will be executed on the namespace server instead of locally.
-    pub fn with_namespace_client(mut self, namespace_client: Arc<dyn LanceNamespace>) -> Self {
-        self.namespace_client = Some(namespace_client);
-        self
-    }
-
     fn get_table_name(uri: &str) -> Result<String> {
         let path = Path::new(uri);
         let name = path
@@ -1647,12 +1614,10 @@ impl NativeTable {
     /// * `namespace` - The namespace path. When non-empty, an explicit URI must be provided.
     /// * `batches` RecordBatch to be saved in the database.
     /// * `params` - Write parameters.
-    /// * `namespace_client` - Optional namespace client for server-side query execution
     ///
     /// # Returns
     ///
     /// * A [TableImpl] object.
-    #[allow(clippy::too_many_arguments)]
     pub async fn create(
         uri: &str,
         name: &str,
@@ -1661,7 +1626,6 @@ impl NativeTable {
         write_store_wrapper: Option<Arc<dyn WrappingObjectStore>>,
         params: Option<WriteParams>,
         read_consistency_interval: Option<std::time::Duration>,
-        namespace_client: Option<Arc<dyn LanceNamespace>>,
     ) -> Result<Self> {
         // Default params uses format v1.
         let params = params.unwrap_or(WriteParams {
@@ -1693,11 +1657,9 @@ impl NativeTable {
             uri: uri.to_string(),
             dataset: DatasetConsistencyWrapper::new_latest(dataset, read_consistency_interval),
             read_consistency_interval,
-            namespace_client,
         })
     }
 
-    #[allow(clippy::too_many_arguments)]
     pub async fn create_empty(
         uri: &str,
         name: &str,
@@ -1706,7 +1668,6 @@ impl NativeTable {
         write_store_wrapper: Option<Arc<dyn WrappingObjectStore>>,
         params: Option<WriteParams>,
         read_consistency_interval: Option<std::time::Duration>,
-        namespace_client: Option<Arc<dyn LanceNamespace>>,
     ) -> Result<Self> {
         let batches = RecordBatchIterator::new(vec![], schema);
         Self::create(
@@ -1717,7 +1678,6 @@ impl NativeTable {
             write_store_wrapper,
             params,
             read_consistency_interval,
-            namespace_client,
         )
         .await
     }
@@ -1946,25 +1906,6 @@ impl NativeTable {
                     VectorIndexParams::with_ivf_flat_params(index.distance_type.into(), ivf_params);
                 Ok(Box::new(lance_idx_params))
             }
-            Index::IvfSq(index) => {
-                Self::validate_index_type(field, "IVF SQ", supported_vector_data_type)?;
-                let ivf_params = Self::build_ivf_params(
-                    index.num_partitions,
-                    index.target_partition_size,
-                    index.sample_rate,
-                    index.max_iterations,
-                );
-                let sq_params = SQBuildParams {
-                    sample_rate: index.sample_rate as usize,
-                    ..Default::default()
-                };
-                let lance_idx_params = VectorIndexParams::with_ivf_sq_params(
-                    index.distance_type.into(),
-                    ivf_params,
-                    sq_params,
-                );
-                Ok(Box::new(lance_idx_params))
-            }
             Index::IvfPq(index) => {
                 Self::validate_index_type(field, "IVF PQ", supported_vector_data_type)?;
                 let dim = Self::get_vector_dimension(field)?;
@@ -2072,7 +2013,6 @@ impl NativeTable {
             Index::LabelList(_) => IndexType::LabelList,
             Index::FTS(_) => IndexType::Inverted,
             Index::IvfFlat(_)
-            | Index::IvfSq(_)
             | Index::IvfPq(_)
             | Index::IvfRq(_)
             | Index::IvfHnswPq(_)
@@ -2095,278 +2035,6 @@ impl NativeTable {
         Ok(DatasetRecordBatchStream::new(inner))
     }
 
-    /// Execute a query on the namespace server instead of locally.
-    async fn namespace_query(
-        &self,
-        namespace_client: Arc<dyn LanceNamespace>,
-        query: &AnyQuery,
-        _options: QueryExecutionOptions,
-    ) -> Result<DatasetRecordBatchStream> {
-        // Build table_id from namespace + table name
-        let mut table_id = self.namespace.clone();
-        table_id.push(self.name.clone());
-
-        // Convert AnyQuery to namespace QueryTableRequest
-        let mut ns_request = self.convert_to_namespace_query(query)?;
-        // Set the table ID on the request
-        ns_request.id = Some(table_id);
-
-        // Call the namespace query_table API
-        let response_bytes = namespace_client
-            .query_table(ns_request)
-            .await
-            .map_err(|e| Error::Runtime {
-                message: format!("Failed to execute server-side query: {}", e),
-            })?;
-
-        // Parse the Arrow IPC response into a RecordBatchStream
-        self.parse_arrow_ipc_response(response_bytes).await
-    }
-
-    /// Convert a QueryFilter to a SQL string for the namespace API.
-    fn filter_to_sql(&self, filter: &QueryFilter) -> Result<String> {
-        match filter {
-            QueryFilter::Sql(sql) => Ok(sql.clone()),
-            QueryFilter::Substrait(_) => Err(Error::NotSupported {
-                message: "Substrait filters are not supported for server-side queries".to_string(),
-            }),
-            QueryFilter::Datafusion(_) => Err(Error::NotSupported {
-                message: "Datafusion expression filters are not supported for server-side queries. Use SQL filter instead.".to_string(),
-            }),
-        }
-    }
-
-    /// Convert an AnyQuery to the namespace QueryTableRequest format.
-    fn convert_to_namespace_query(&self, query: &AnyQuery) -> Result<NsQueryTableRequest> {
-        match query {
-            AnyQuery::VectorQuery(vq) => {
-                // Extract the query vector(s)
-                let vector = self.extract_query_vector(&vq.query_vector)?;
-
-                // Convert filter to SQL string
-                let filter = match &vq.base.filter {
-                    Some(f) => Some(self.filter_to_sql(f)?),
-                    None => None,
-                };
-
-                // Convert select to columns list
-                let columns = match &vq.base.select {
-                    Select::All => None,
-                    Select::Columns(cols) => Some(cols.clone()),
-                    Select::Dynamic(_) => {
-                        return Err(Error::NotSupported {
-                            message:
-                                "Dynamic column selection is not supported for server-side queries"
-                                    .to_string(),
-                        });
-                    }
-                };
-
-                // Check for unsupported features
-                if vq.base.reranker.is_some() {
-                    return Err(Error::NotSupported {
-                        message: "Reranker is not supported for server-side queries".to_string(),
-                    });
-                }
-
-                // Convert FTS query if present
-                let full_text_query = vq.base.full_text_search.as_ref().map(|fts| {
-                    let columns = fts.columns();
-                    let columns_vec = if columns.is_empty() {
-                        None
-                    } else {
-                        Some(columns.into_iter().collect())
-                    };
-                    Box::new(QueryTableRequestFullTextQuery {
-                        string_query: Some(Box::new(StringFtsQuery {
-                            query: fts.query.to_string(),
-                            columns: columns_vec,
-                        })),
-                        structured_query: None,
-                    })
-                });
-
-                Ok(NsQueryTableRequest {
-                    id: None, // Will be set in namespace_query
-                    k: vq.base.limit.unwrap_or(10) as i32,
-                    vector: Box::new(vector),
-                    vector_column: vq.column.clone(),
-                    filter,
-                    columns,
-                    offset: vq.base.offset.map(|o| o as i32),
-                    distance_type: vq.distance_type.map(|dt| dt.to_string()),
-                    nprobes: Some(vq.minimum_nprobes as i32),
-                    ef: vq.ef.map(|e| e as i32),
-                    refine_factor: vq.refine_factor.map(|r| r as i32),
-                    lower_bound: vq.lower_bound,
-                    upper_bound: vq.upper_bound,
-                    prefilter: Some(vq.base.prefilter),
-                    fast_search: Some(vq.base.fast_search),
-                    with_row_id: Some(vq.base.with_row_id),
-                    bypass_vector_index: Some(!vq.use_index),
-                    full_text_query,
-                    version: None,
-                })
-            }
-            AnyQuery::Query(q) => {
-                // For non-vector queries, pass an empty vector (similar to remote table implementation)
-                if q.reranker.is_some() {
-                    return Err(Error::NotSupported {
-                        message: "Reranker is not supported for server-side query execution"
-                            .to_string(),
-                    });
-                }
-
-                let filter = q
-                    .filter
-                    .as_ref()
-                    .map(|f| self.filter_to_sql(f))
-                    .transpose()?;
-
-                let columns = match &q.select {
-                    Select::All => None,
-                    Select::Columns(cols) => Some(cols.clone()),
-                    Select::Dynamic(_) => {
-                        return Err(Error::NotSupported {
-                            message: "Dynamic columns are not supported for server-side query"
-                                .to_string(),
-                        });
-                    }
-                };
-
-                // Handle full text search if present
-                let full_text_query = q.full_text_search.as_ref().map(|fts| {
-                    let columns_vec = if fts.columns().is_empty() {
-                        None
-                    } else {
-                        Some(fts.columns().iter().cloned().collect())
-                    };
-                    Box::new(QueryTableRequestFullTextQuery {
-                        string_query: Some(Box::new(StringFtsQuery {
-                            query: fts.query.to_string(),
-                            columns: columns_vec,
-                        })),
-                        structured_query: None,
-                    })
-                });
-
-                // Empty vector for non-vector queries
-                let vector = Box::new(QueryTableRequestVector {
-                    single_vector: Some(vec![]),
-                    multi_vector: None,
-                });
-
-                Ok(NsQueryTableRequest {
-                    id: None, // Will be set by caller
-                    vector,
-                    k: q.limit.unwrap_or(10) as i32,
-                    filter,
-                    columns,
-                    prefilter: Some(q.prefilter),
-                    offset: q.offset.map(|o| o as i32),
-                    ef: None,
-                    refine_factor: None,
-                    distance_type: None,
-                    nprobes: None,
-                    vector_column: None, // No vector column for plain queries
-                    with_row_id: Some(q.with_row_id),
-                    bypass_vector_index: Some(true), // No vector index for plain queries
-                    full_text_query,
-                    version: None,
-                    fast_search: None,
-                    lower_bound: None,
-                    upper_bound: None,
-                })
-            }
-        }
-    }
-
-    /// Extract query vector(s) from Arrow arrays into the namespace format.
-    fn extract_query_vector(
-        &self,
-        query_vectors: &[Arc<dyn arrow_array::Array>],
-    ) -> Result<QueryTableRequestVector> {
-        if query_vectors.is_empty() {
-            return Err(Error::InvalidInput {
-                message: "Query vector is required for vector search".to_string(),
-            });
-        }
-
-        // Handle single vector case
-        if query_vectors.len() == 1 {
-            let arr = &query_vectors[0];
-            let single_vector = self.array_to_f32_vec(arr)?;
-            Ok(QueryTableRequestVector {
-                single_vector: Some(single_vector),
-                multi_vector: None,
-            })
-        } else {
-            // Handle multi-vector case
-            let multi_vector: Result<Vec<Vec<f32>>> = query_vectors
-                .iter()
-                .map(|arr| self.array_to_f32_vec(arr))
-                .collect();
-            Ok(QueryTableRequestVector {
-                single_vector: None,
-                multi_vector: Some(multi_vector?),
-            })
-        }
-    }
-
-    /// Convert an Arrow array to a Vec<f32>.
-    fn array_to_f32_vec(&self, arr: &Arc<dyn arrow_array::Array>) -> Result<Vec<f32>> {
-        // Handle FixedSizeList (common for vectors)
-        if let Some(fsl) = arr
-            .as_any()
-            .downcast_ref::<arrow_array::FixedSizeListArray>()
-        {
-            let values = fsl.values();
-            if let Some(f32_arr) = values.as_any().downcast_ref::<arrow_array::Float32Array>() {
-                return Ok(f32_arr.values().to_vec());
-            }
-        }
-
-        // Handle direct Float32Array
-        if let Some(f32_arr) = arr.as_any().downcast_ref::<arrow_array::Float32Array>() {
-            return Ok(f32_arr.values().to_vec());
-        }
-
-        Err(Error::InvalidInput {
-            message: "Query vector must be Float32 type".to_string(),
-        })
-    }
-
-    /// Parse Arrow IPC response from the namespace server.
-    async fn parse_arrow_ipc_response(
-        &self,
-        bytes: bytes::Bytes,
-    ) -> Result<DatasetRecordBatchStream> {
-        use arrow_ipc::reader::StreamReader;
-        use std::io::Cursor;
-
-        let cursor = Cursor::new(bytes);
-        let reader = StreamReader::try_new(cursor, None).map_err(|e| Error::Runtime {
-            message: format!("Failed to parse Arrow IPC response: {}", e),
-        })?;
-
-        // Collect all record batches
-        let schema = reader.schema();
-        let batches: Vec<_> = reader
-            .into_iter()
-            .collect::<std::result::Result<Vec<_>, _>>()
-            .map_err(|e| Error::Runtime {
-                message: format!("Failed to read Arrow IPC batches: {}", e),
-            })?;
-
-        // Create a stream from the batches
-        let stream = futures::stream::iter(batches.into_iter().map(Ok));
-        let record_batch_stream = Box::pin(
-            datafusion_physical_plan::stream::RecordBatchStreamAdapter::new(schema, stream),
-        );
-
-        Ok(DatasetRecordBatchStream::new(record_batch_stream))
-    }
-
     /// Check whether the table uses V2 manifest paths.
     ///
     /// See [Self::migrate_manifest_paths_v2] and [ManifestNamingScheme] for
@@ -2798,12 +2466,6 @@ impl BaseTable for NativeTable {
         query: &AnyQuery,
         options: QueryExecutionOptions,
     ) -> Result<DatasetRecordBatchStream> {
-        // If namespace client is configured, use server-side query execution
-        if let Some(ref namespace_client) = self.namespace_client {
-            return self
-                .namespace_query(namespace_client.clone(), query, options)
-                .await;
-        }
         self.generic_query(query, options).await
     }
 
@@ -3272,7 +2934,7 @@ mod tests {
 
         let batches = make_test_batches();
         let batches = Box::new(batches) as Box<dyn RecordBatchReader + Send>;
-        let table = NativeTable::create(uri, "test", vec![], batches, None, None, None, None)
+        let table = NativeTable::create(uri, "test", vec![], batches, None, None, None)
             .await
             .unwrap();
 
@@ -4912,91 +4574,4 @@ mod tests {
         assert_eq!(result.len(), 1);
         assert_eq!(result[0].index_type, crate::index::IndexType::Bitmap);
     }
-
-    #[tokio::test]
-    async fn test_convert_to_namespace_query_vector() {
-        let tmp_dir = tempdir().unwrap();
-        let dataset_path = tmp_dir.path().join("test_ns_query.lance");
-
-        let batches = make_test_batches();
-        Dataset::write(batches, dataset_path.to_str().unwrap(), None)
-            .await
-            .unwrap();
-
-        let table = NativeTable::open(dataset_path.to_str().unwrap())
-            .await
-            .unwrap();
-
-        // Create a vector query
-        let query_vector = Arc::new(Float32Array::from(vec![1.0, 2.0, 3.0, 4.0]));
-        let vq = VectorQueryRequest {
-            base: QueryRequest {
-                limit: Some(10),
-                offset: Some(5),
-                filter: Some(QueryFilter::Sql("id > 0".to_string())),
-                select: Select::Columns(vec!["id".to_string()]),
-                ..Default::default()
-            },
-            column: Some("vector".to_string()),
-            query_vector: vec![query_vector as Arc<dyn Array>],
-            minimum_nprobes: 20,
-            distance_type: Some(crate::DistanceType::L2),
-            ..Default::default()
-        };
-
-        let any_query = AnyQuery::VectorQuery(vq);
-        let ns_request = table.convert_to_namespace_query(&any_query).unwrap();
-
-        assert_eq!(ns_request.k, 10);
-        assert_eq!(ns_request.offset, Some(5));
-        assert_eq!(ns_request.filter, Some("id > 0".to_string()));
-        assert_eq!(ns_request.columns, Some(vec!["id".to_string()]));
-        assert_eq!(ns_request.vector_column, Some("vector".to_string()));
-        assert_eq!(ns_request.distance_type, Some("l2".to_string()));
-        assert!(ns_request.vector.single_vector.is_some());
-        assert_eq!(
-            ns_request.vector.single_vector.as_ref().unwrap(),
-            &vec![1.0, 2.0, 3.0, 4.0]
-        );
-    }
-
-    #[tokio::test]
-    async fn test_convert_to_namespace_query_plain_query() {
-        let tmp_dir = tempdir().unwrap();
-        let dataset_path = tmp_dir.path().join("test_ns_plain.lance");
-
-        let batches = make_test_batches();
-        Dataset::write(batches, dataset_path.to_str().unwrap(), None)
-            .await
-            .unwrap();
-
-        let table = NativeTable::open(dataset_path.to_str().unwrap())
-            .await
-            .unwrap();
-
-        // Create a plain (non-vector) query with filter and select
-        let q = QueryRequest {
-            limit: Some(20),
-            offset: Some(5),
-            filter: Some(QueryFilter::Sql("id > 5".to_string())),
-            select: Select::Columns(vec!["id".to_string()]),
-            with_row_id: true,
-            ..Default::default()
-        };
-
-        let any_query = AnyQuery::Query(q);
-        let ns_request = table.convert_to_namespace_query(&any_query).unwrap();
-
-        // Plain queries should pass an empty vector
-        assert_eq!(ns_request.k, 20);
-        assert_eq!(ns_request.offset, Some(5));
-        assert_eq!(ns_request.filter, Some("id > 5".to_string()));
-        assert_eq!(ns_request.columns, Some(vec!["id".to_string()]));
-        assert_eq!(ns_request.with_row_id, Some(true));
-        assert_eq!(ns_request.bypass_vector_index, Some(true));
-        assert!(ns_request.vector_column.is_none()); // No vector column for plain queries
-
-        // Should have an empty vector
-        assert!(ns_request.vector.single_vector.as_ref().unwrap().is_empty());
-    }
 }