langgraph_agent_toolkit.core.memory.coordinated_store module

Serialize long-term store setup across PostgreSQL workers.

class langgraph_agent_toolkit.core.memory.coordinated_store.CoordinatedPostgresStore(conn, *, pipe=None, deserializer=None, index=None, ttl=None)

Bases: AsyncPostgresStore

Keep concurrent workers from applying the same schema migration.

Parameters:

• conn (C)

• pipe (AsyncPipeline | None)

• deserializer (Callable[[bytes | orjson.Fragment], dict[str, Any]] | None)

• index (PostgresIndexConfig | None)

• ttl (TTLConfig | None)

async setup()

Return type:

None

pipe

lock

supports_pipeline

index_config: PostgresIndexConfig | None

embeddings

ttl_config: TTLConfig | None