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chore: improve create_table API consistency between local and remote SDK (#627)
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@@ -14,26 +14,39 @@
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from __future__ import annotations
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import os
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from abc import ABC, abstractmethod
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from abc import abstractmethod
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from pathlib import Path
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from typing import List, Optional, Union
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from typing import TYPE_CHECKING, Iterable, List, Optional, Union
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import pyarrow as pa
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from overrides import EnforceOverrides, override
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from pyarrow import fs
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from .common import DATA, URI
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from .embeddings import EmbeddingFunctionConfig
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from .pydantic import LanceModel
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from .table import LanceTable, Table
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from .util import fs_from_uri, get_uri_location, get_uri_scheme
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if TYPE_CHECKING:
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from .common import DATA, URI
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from .embeddings import EmbeddingFunctionConfig
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from .pydantic import LanceModel
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class DBConnection(ABC):
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class DBConnection(EnforceOverrides):
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"""An active LanceDB connection interface."""
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@abstractmethod
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def table_names(self) -> list[str]:
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"""List all table names in the database."""
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def table_names(
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self, page_token: Optional[str] = None, limit: int = 10
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) -> Iterable[str]:
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"""List all table in this database
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Parameters
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----------
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page_token: str, optional
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The token to use for pagination. If not present, start from the beginning.
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limit: int, default 10
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The size of the page to return.
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"""
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pass
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@abstractmethod
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@@ -45,6 +58,7 @@ class DBConnection(ABC):
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mode: str = "create",
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on_bad_vectors: str = "error",
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fill_value: float = 0.0,
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embedding_functions: Optional[List[EmbeddingFunctionConfig]] = None,
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) -> Table:
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"""Create a [Table][lancedb.table.Table] in the database.
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@@ -262,12 +276,15 @@ class LanceDBConnection(DBConnection):
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def uri(self) -> str:
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return self._uri
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def table_names(self) -> list[str]:
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@override
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def table_names(
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self, page_token: Optional[str] = None, limit: int = 10
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) -> Iterable[str]:
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"""Get the names of all tables in the database. The names are sorted.
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Returns
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-------
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list of str
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Iterator of str.
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A list of table names.
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"""
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try:
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@@ -296,6 +313,7 @@ class LanceDBConnection(DBConnection):
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def __contains__(self, name: str) -> bool:
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return name in self.table_names()
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@override
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def create_table(
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self,
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name: str,
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@@ -327,6 +345,7 @@ class LanceDBConnection(DBConnection):
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)
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return tbl
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@override
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def open_table(self, name: str) -> LanceTable:
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"""Open a table in the database.
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@@ -341,6 +360,7 @@ class LanceDBConnection(DBConnection):
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"""
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return LanceTable.open(self, name)
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@override
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def drop_table(self, name: str, ignore_missing: bool = False):
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"""Drop a table from the database.
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@@ -359,6 +379,7 @@ class LanceDBConnection(DBConnection):
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if not ignore_missing:
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raise
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@override
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def drop_database(self):
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filesystem, path = fs_from_uri(self.uri)
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filesystem.delete_dir(path)
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