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Title: AsyncPostgresStore | langgraph.store.postgres | LangChain Reference

Open Graph Title: AsyncPostgresStore | langgraph.store.postgres

X Title: AsyncPostgresStore | langgraph.store.postgres

Description: Python API reference for aio.AsyncPostgresStore in langgraph.store.postgres. Part of the LangChain ecosystem.

Open Graph Description: Python API reference for aio.AsyncPostgresStore in langgraph.store.postgres. Part of the LangChain ecosystem.

X Description: Python API reference for aio.AsyncPostgresStore in langgraph.store.postgres. Part of the LangChain ecosystem.

Opengraph URL: https://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore

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og:image:altAsyncPostgresStore | langgraph.store.postgres
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twitter:imagehttps://reference.langchain.com/og/python/langgraph.store.postgres/aio/AsyncPostgresStore

Links:

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Checkpoint Postgreshttps://reference.langchain.com/python/langgraph.checkpoint.postgres
Store Postgreshttps://reference.langchain.com/python/langgraph.store.postgres
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LangGraph Checkpointhttps://reference.langchain.com/python/langgraph.checkpoint
LangGraph Storehttps://reference.langchain.com/python/langgraph.store
Checkpoint Postgreshttps://reference.langchain.com/python/langgraph.checkpoint.postgres
Store Postgreshttps://reference.langchain.com/python/langgraph.store.postgres
Checkpoint SQLitehttps://reference.langchain.com/python/langgraph.checkpoint.sqlite
LangGraph Prebuilthttps://reference.langchain.com/python/langgraph.prebuilt
LangGraph CLIhttps://reference.langchain.com/python/langgraph-cli
LangGraph SDKhttps://reference.langchain.com/python/langgraph-sdk
LangGraph Supervisorhttps://reference.langchain.com/python/langgraph-supervisor
LangGraph Swarmhttps://reference.langchain.com/python/langgraph-swarm
langgraph.store.postgreshttps://reference.langchain.com/python/langgraph.store.postgres
aiohttps://reference.langchain.com/python/langgraph.store.postgres/aio
Callablehttps://docs.python.org/3/library/typing.html#typing.Callable
byteshttps://docs.python.org/3/library/stdtypes.html#bytes
PostgresIndexConfighttps://reference.langchain.com/python/langgraph.store.postgres/base/PostgresIndexConfig
BasePostgresStorehttps://reference.langchain.com/python/langgraph.store.postgres/base/BasePostgresStore
Callablehttps://docs.python.org/3/library/typing.html#typing.Callable
byteshttps://docs.python.org/3/library/stdtypes.html#bytes
dicthttps://docs.python.org/3/library/stdtypes.html#dict
strhttps://docs.python.org/3/library/stdtypes.html#str
Anyhttps://docs.python.org/3/library/typing.html#typing.Any
PostgresIndexConfighttps://reference.langchain.com/python/langgraph.store.postgres/base/PostgresIndexConfig
attributesupports_ttl: boolhttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/supports_ttl
attributeconn: connhttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/conn
attributepipe: pipehttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/pipe
attributelockhttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/lock
attributeloophttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/loop
attributesupports_pipelinehttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/supports_pipeline
attributeindex_config: indexhttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/index_config
attributeembeddings: Nonehttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/embeddings
attributettl_config: ttlhttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/ttl_config
methodabatchhttps://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/abatch
methodfrom_conn_stringCreate a new AsyncPostgresStore instance from a connection string.https://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/from_conn_string
methodsetupSet up the store database asynchronously. This method creates the necessary tables in the Postgres database if they don't already exist and runs database migrations. It MUST be called directly by the user the first time the store is used.https://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/setup
methodsweep_ttlDelete expired store items based on TTL.https://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/sweep_ttl
methodstart_ttl_sweeperPeriodically delete expired store items based on TTL.https://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/start_ttl_sweeper
methodstop_ttl_sweeperStop the TTL sweeper task if it's running.https://reference.langchain.com/python/langgraph.store.postgres/aio/AsyncPostgresStore/stop_ttl_sweeper
BasePostgresStorehttps://reference.langchain.com/python/langgraph.store.postgres/base/BasePostgresStore
AMIGRATIONS: MIGRATIONShttps://reference.langchain.com/python/langgraph.store.postgres/base/BasePostgresStore/MIGRATIONS
AVECTOR_MIGRATIONS: VECTOR_MIGRATIONShttps://reference.langchain.com/python/langgraph.store.postgres/base/BasePostgresStore/VECTOR_MIGRATIONS
View source on GitHubhttps://github.com/langchain-ai/langgraph/blob/d4149cc1f5384364d1a21092b4c2f582a6e7af8f/libs/checkpoint-postgres/langgraph/store/postgres/aio.py#L42

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