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Create index concurrently (#2659)

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This commit is contained in:
William FH
2024-12-05 15:56:39 -08:00
committed by GitHub
parent b7e441d781
commit 93e4c8cc1f
7 changed files with 55 additions and 55 deletions
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libs/checkpoint-postgres/langgraph/checkpoint/postgres/base.py
+11
View File
@@ -57,6 +57,17 @@ MIGRATIONS = [
PRIMARY KEY (thread_id, checkpoint_ns, checkpoint_id, task_id, idx)
);""",
"ALTER TABLE checkpoint_blobs ALTER COLUMN blob DROP not null;",
"""
""",
"""
CREATE INDEX CONCURRENTLY IF NOT EXISTS checkpoints_thread_id_idx ON checkpoints(thread_id);
""",
"""
CREATE INDEX CONCURRENTLY IF NOT EXISTS checkpoint_blobs_thread_id_idx ON checkpoint_blobs(thread_id);
""",
"""
CREATE INDEX CONCURRENTLY IF NOT EXISTS checkpoint_writes_thread_id_idx ON checkpoint_writes(thread_id);
""",
]
SELECT_SQL = f"""
libs/checkpoint-postgres/langgraph/store/postgres/aio.py
+12 -16
View File
@@ -6,7 +6,6 @@ from typing import Any, Callable, Optional, Union, cast
import orjson
from psycopg import AsyncConnection, AsyncCursor, AsyncPipeline, Capabilities
from psycopg.errors import UndefinedTable
from psycopg.rows import DictRow, dict_row
from psycopg_pool import AsyncConnectionPool
@@ -219,22 +218,19 @@ class AsyncPostgresStore(AsyncBatchedBaseStore, BasePostgresStore[_ainternal.Con
"""
async def _get_version(cur: AsyncCursor[DictRow], table: str) -> int:
try:
await cur.execute(f"SELECT v FROM {table} ORDER BY v DESC LIMIT 1")
row = await cur.fetchone()
if row is None:
version = -1
else:
version = row["v"]
except UndefinedTable:
version = -1
await cur.execute(
f"""
CREATE TABLE IF NOT EXISTS {table} (
v INTEGER PRIMARY KEY
)
"""
await cur.execute(
f"""
CREATE TABLE IF NOT EXISTS {table} (
v INTEGER PRIMARY KEY
)
"""
)
await cur.execute(f"SELECT v FROM {table} ORDER BY v DESC LIMIT 1")
row = cast(dict, await cur.fetchone())
if row is None:
version = -1
else:
version = row["v"]
return version
async with self._cursor() as cur:
libs/checkpoint-postgres/langgraph/store/postgres/base.py
+14 -18
View File
@@ -21,7 +21,6 @@ from typing import (
import orjson
from psycopg import Capabilities, Connection, Cursor, Pipeline
from psycopg.errors import UndefinedTable
from psycopg.rows import DictRow, dict_row
from psycopg.types.json import Jsonb
from psycopg_pool import ConnectionPool
@@ -73,7 +72,7 @@ CREATE TABLE IF NOT EXISTS store (
""",
"""
-- For faster lookups by prefix
CREATE INDEX IF NOT EXISTS store_prefix_idx ON store USING btree (prefix text_pattern_ops);
CREATE INDEX CONCURRENTLY IF NOT EXISTS store_prefix_idx ON store USING btree (prefix text_pattern_ops);
""",
]
@@ -107,7 +106,7 @@ CREATE TABLE IF NOT EXISTS store_vectors (
),
Migration(
"""
CREATE INDEX IF NOT EXISTS store_vectors_embedding_idx ON store_vectors
CREATE INDEX CONCURRENTLY IF NOT EXISTS store_vectors_embedding_idx ON store_vectors
USING %(index_type)s (embedding %(ops)s)%(index_params)s;
""",
condition=lambda store: bool(
@@ -847,22 +846,19 @@ class PostgresStore(BaseStore, BasePostgresStore[_pg_internal.Conn]):
"""
def _get_version(cur: Cursor[dict[str, Any]], table: str) -> int:
try:
cur.execute(f"SELECT v FROM {table} ORDER BY v DESC LIMIT 1")
row = cast(dict, cur.fetchone())
if row is None:
version = -1
else:
version = row["v"]
except UndefinedTable:
version = -1
cur.execute(
f"""
CREATE TABLE IF NOT EXISTS {table} (
v INTEGER PRIMARY KEY
)
"""
cur.execute(
f"""
CREATE TABLE IF NOT EXISTS {table} (
v INTEGER PRIMARY KEY
)
"""
)
cur.execute(f"SELECT v FROM {table} ORDER BY v DESC LIMIT 1")
row = cast(dict, cur.fetchone())
if row is None:
version = -1
else:
version = row["v"]
return version
with self._cursor() as cur:
libs/checkpoint-postgres/poetry.lock
Generated
+13 -14
View File
@@ -13,24 +13,24 @@ files = [
[[package]]
name = "anyio"
version = "4.6.2.post1"
version = "4.7.0"
description = "High level compatibility layer for multiple asynchronous event loop implementations"
optional = false
python-versions = ">=3.9"
files = [
{file = "anyio-4.6.2.post1-py3-none-any.whl", hash = "sha256:6d170c36fba3bdd840c73d3868c1e777e33676a69c3a72cf0a0d5d6d8009b61d"},
{file = "anyio-4.6.2.post1.tar.gz", hash = "sha256:4c8bc31ccdb51c7f7bd251f51c609e038d63e34219b44aa86e47576389880b4c"},
{file = "anyio-4.7.0-py3-none-any.whl", hash = "sha256:ea60c3723ab42ba6fff7e8ccb0488c898ec538ff4df1f1d5e642c3601d07e352"},
{file = "anyio-4.7.0.tar.gz", hash = "sha256:2f834749c602966b7d456a7567cafcb309f96482b5081d14ac93ccd457f9dd48"},
]
[package.dependencies]
exceptiongroup = {version = ">=1.0.2", markers = "python_version < \"3.11\""}
idna = ">=2.8"
sniffio = ">=1.1"
typing-extensions = {version = ">=4.1", markers = "python_version < \"3.11\""}
typing_extensions = {version = ">=4.5", markers = "python_version < \"3.13\""}
[package.extras]
doc = ["Sphinx (>=7.4,<8.0)", "packaging", "sphinx-autodoc-typehints (>=1.2.0)", "sphinx-rtd-theme"]
test = ["anyio[trio]", "coverage[toml] (>=7)", "exceptiongroup (>=1.2.0)", "hypothesis (>=4.0)", "psutil (>=5.9)", "pytest (>=7.0)", "pytest-mock (>=3.6.1)", "trustme", "truststore (>=0.9.1)", "uvloop (>=0.21.0b1)"]
doc = ["Sphinx (>=7.4,<8.0)", "packaging", "sphinx-autodoc-typehints (>=1.2.0)", "sphinx_rtd_theme"]
test = ["anyio[trio]", "coverage[toml] (>=7)", "exceptiongroup (>=1.2.0)", "hypothesis (>=4.0)", "psutil (>=5.9)", "pytest (>=7.0)", "pytest-mock (>=3.6.1)", "trustme", "truststore (>=0.9.1)", "uvloop (>=0.21)"]
trio = ["trio (>=0.26.1)"]
[[package]]
@@ -244,13 +244,13 @@ trio = ["trio (>=0.22.0,<1.0)"]
[[package]]
name = "httpx"
version = "0.27.2"
version = "0.28.0"
description = "The next generation HTTP client."
optional = false
python-versions = ">=3.8"
files = [
{file = "httpx-0.27.2-py3-none-any.whl", hash = "sha256:7bb2708e112d8fdd7829cd4243970f0c223274051cb35ee80c03301ee29a3df0"},
{file = "httpx-0.27.2.tar.gz", hash = "sha256:f7c2be1d2f3c3c3160d441802406b206c2b76f5947b11115e6df10c6c65e66c2"},
{file = "httpx-0.28.0-py3-none-any.whl", hash = "sha256:dc0b419a0cfeb6e8b34e85167c0da2671206f5095f1baa9663d23bcfd6b535fc"},
{file = "httpx-0.28.0.tar.gz", hash = "sha256:0858d3bab51ba7e386637f22a61d8ccddaeec5f3fe4209da3a6168dbb91573e0"},
]
[package.dependencies]
@@ -258,7 +258,6 @@ anyio = "*"
certifi = "*"
httpcore = "==1.*"
idna = "*"
sniffio = "*"
[package.extras]
brotli = ["brotli", "brotlicffi"]
@@ -342,7 +341,7 @@ typing-extensions = ">=4.7"
[[package]]
name = "langgraph-checkpoint"
version = "2.0.7"
version = "2.0.8"
description = "Library with base interfaces for LangGraph checkpoint savers."
optional = false
python-versions = "^3.9.0,<4.0"
@@ -741,13 +740,13 @@ typing-extensions = ">=4.6"
[[package]]
name = "pydantic"
version = "2.10.2"
version = "2.10.3"
description = "Data validation using Python type hints"
optional = false
python-versions = ">=3.8"
files = [
{file = "pydantic-2.10.2-py3-none-any.whl", hash = "sha256:cfb96e45951117c3024e6b67b25cdc33a3cb7b2fa62e239f7af1378358a1d99e"},
{file = "pydantic-2.10.2.tar.gz", hash = "sha256:2bc2d7f17232e0841cbba4641e65ba1eb6fafb3a08de3a091ff3ce14a197c4fa"},
{file = "pydantic-2.10.3-py3-none-any.whl", hash = "sha256:be04d85bbc7b65651c5f8e6b9976ed9c6f41782a55524cef079a34a0bb82144d"},
{file = "pydantic-2.10.3.tar.gz", hash = "sha256:cb5ac360ce894ceacd69c403187900a02c4b20b693a9dd1d643e1effab9eadf9"},
]
[package.dependencies]
libs/checkpoint-postgres/pyproject.toml
+1 -1
View File
@@ -1,6 +1,6 @@
[tool.poetry]
name = "langgraph-checkpoint-postgres"
version = "2.0.7"
version = "2.0.8"
description = "Library with a Postgres implementation of LangGraph checkpoint saver."
authors = []
license = "MIT"
libs/checkpoint-postgres/tests/test_async.py
+2 -3
View File
@@ -63,9 +63,8 @@ async def _pipe_saver():
prepare_threshold=0,
row_factory=dict_row,
) as conn:
async with conn.pipeline() as pipe:
checkpointer = AsyncPostgresSaver(conn, pipe=pipe)
await checkpointer.setup()
checkpointer = AsyncPostgresSaver(conn)
await checkpointer.setup()
async with conn.pipeline() as pipe:
checkpointer = AsyncPostgresSaver(conn, pipe=pipe)
yield checkpointer
libs/checkpoint-postgres/tests/test_sync.py
+2 -3
View File
@@ -57,9 +57,8 @@ def _pipe_saver():
prepare_threshold=0,
row_factory=dict_row,
) as conn:
with conn.pipeline() as pipe:
checkpointer = PostgresSaver(conn, pipe=pipe)
checkpointer.setup()
checkpointer = PostgresSaver(conn)
checkpointer.setup()
with conn.pipeline() as pipe:
checkpointer = PostgresSaver(conn, pipe=pipe)
yield checkpointer