langchain-ai / langchain-postgres

LangChain abstractions backed by Postgres Backend

langchain-ai/langchain-postgres Issues

Tentative Plan for for langgraph Checkpointer Support ?
Updated a day ago1
Support for the sparse embeddings
Updated 2 days ago1
hybrid search
Updated 2 days ago1
Connection error use azure embedding
Updated 10 days ago1
Support array comparisons
Updated 10 days ago
Add benchmarking
Updated 10 days ago
Poetry Conflict: Importing Langchain-Postgres v^0.0.3 (current) + LangGraph v^0.0.48 (current)
Closed 10 days ago2
langchain-postgres on conda-forge
Updated 10 days ago1
ChatMessageHistory does throw error after upgrading, neither sync nor async connection works
Updated 10 days ago4
Nested Metadata filtering broken
Updated 10 days ago1
object has no attribute "embed_documents"
Closed 14 days ago1
Feature Request: `ConversationBufferWindowMemory`
Updated 25 days ago1
PostgresChatMessageHistory API break the usage of LCEL and Langserv
Updated 25 days ago4
Could you clarify why the "contains" operator is not implemented?
Closed a month ago2
Error while trying to import psycopg with poetry
Closed a month ago2
Error while upgrading psycopg2 to psycopg with "from langchain_postgres import PGVector" and "langchain_postgres.vectorstores import PGVector"
Closed a month ago4
Attribute Error raised when using "$nin" operator in filter
Closed a month ago2
Implementation Suggestion: for creating connection string from db params method
Updated a month ago
create a mechanism to migrate from community vectorstore to this implementation
Updated 2 months ago2
Error during retrieval
Closed 2 months ago1
Error while indexing
Updated 2 months ago4
`CREATE EXTENSION` fails with Azure Cosmos DB for PostgreSQL
Updated 2 months ago1
relation "langchain_pg_collection" does not exist
Closed 2 months ago1
metadata equality filter loss of performance
Updated 2 months ago1
Potential solutions for being able to index different vector sizes?
Updated 2 months ago7