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Separate tables for collections and embeddings in <code>PGVectorStore</code>

Status: Open.

#266 In langchain-ai/langchain-postgres;

· ezequiel-tcmrio opened on Nov 4, 2025

Updating reference docs for new site

Status: Open.

#259 In langchain-ai/langchain-postgres;

· mdrxy opened on Oct 10, 2025

PGVectorStore faild with AzureAIEmbeddingsModel (Document objects could not be iterable)

Status: Open.

#253 In langchain-ai/langchain-postgres;

· pccrdotnet opened on Sep 20, 2025

Add Question-Level Caching to LangChain for RAG Pipelines

Status: Open.

#252 In langchain-ai/langchain-postgres;

· bharatht19 opened on Sep 18, 2025

AsyncPGVectorStore Metadata Filtering Not Working

enhancementNew feature or requestNew feature or request

Status: Open.

#249 In langchain-ai/langchain-postgres;

· bharatht19 opened on Aug 31, 2025

PGVectorStore fails with GoogleGenerativeAIEmbeddings

Status: Open.

#247 In langchain-ai/langchain-postgres;

· sergiocharpineljr opened on Aug 20, 2025

Suggestion: init_vectorstore_table() should also create the schema

enhancementNew feature or requestNew feature or request

Status: Open.

#240 In langchain-ai/langchain-postgres;

· gardner opened on Aug 2, 2025

[PGVector] Unnecessary columns queried leads to high latency

Status: Open.

#237 In langchain-ai/langchain-postgres;

· JoshuaPostel opened on Jul 24, 2025

adelete does not delete embeddings

Status: Open.

#225 In langchain-ai/langchain-postgres;

· LuchiLucs opened on Jun 26, 2025

Correct usage

Status: Open.

#182 In langchain-ai/langchain-postgres;

· diego-lipinski-de-castro opened on Apr 7, 2025

Store initialization race condition - Table 'langchain_pg_collection' is already defined for this MetaData instance

Status: Open.

#165 In langchain-ai/langchain-postgres;

· MartinGotelli opened on Feb 26, 2025

filter with $like

Status: Open.

#159 In langchain-ai/langchain-postgres;

· gesaleh opened on Jan 30, 2025