langchain-ai/langchain-postgres issues and pull requests

#139 - Allow same id for different collections

Issue - State: open - Opened by mayrop 7 days ago

#138 - Add support to specify custom table schema

Pull Request - State: open - Opened by anupkg1985 9 days ago

#137 - infra: disable pypi release attestations

Pull Request - State: closed - Opened by efriis 19 days ago

#136 - Support newer versions of pgvector

Issue - State: open - Opened by mayrop 20 days ago

#135 - Input text/embedding/metadata list length validation is missing

Issue - State: open - Opened by Voileexperiments 23 days ago

#134 - Provide a way to override query building logic

Issue - State: open - Opened by Voileexperiments 23 days ago

#133 - kwargs chain is broken in `PGVector`'s search methods

Issue - State: open - Opened by Voileexperiments 23 days ago

#132 - docs: update the readme to note Google provided integrations

Pull Request - State: open - Opened by averikitsch 25 days ago

#131 - delete_collection() Does Not Remove Records from upsertion_record Table

Issue - State: open - Opened by ElderBarbosaLima 27 days ago

#130 - Add Asynchronous Connection Pooling Support to PostgresChatMessageHistory

Pull Request - State: open - Opened by shamspias about 1 month ago

#129 - Add Support for Asynchronous Connection Pooling in PostgresChatMessageHistory

Issue - State: open - Opened by shamspias about 1 month ago

#128 - Enable Deletion of Vectors by Metadata in PGVector

Pull Request - State: open - Opened by shamspias about 1 month ago

#127 - Feature Request: Support Deleting Vectors by Metadata in PGVector Class

Issue - State: open - Opened by shamspias about 1 month ago

#126 - Engine object is not being properly disposed in PGVector

Issue - State: open - Opened by ladi-pomsar about 1 month ago

#125 - Fix metadata deserialization in async mode for PGVector

Pull Request - State: open - Opened by shamspias about 1 month ago - 3 comments

#124 - Metadata field not properly deserialized when using async_mode=True with PGVector

Issue - State: open - Opened by shamspias about 1 month ago - 1 comment

#123 - docs: fix PGVector import examples

Pull Request - State: open - Opened by JonZeolla about 2 months ago

#122 - How to use `PostgresChatMessageHistory` with async connections when using `RunnableWithMessageHistory`?

Issue - State: open - Opened by lgabs about 2 months ago - 5 comments

#121 - Why should session_id be a valid UUID?

Issue - State: closed - Opened by lgabs about 2 months ago - 3 comments

#103 - Added possibility to add indexes and filter by full text search

Pull Request - State: open - Opened by danielfornarini 3 months ago

#102 - Full text search

Pull Request - State: closed - Opened by danielfornarini 3 months ago

#101 - Async Retriever Error with SQLAlchemy - "cannot insert multiple commands into a prepared statement"

Issue - State: closed - Opened by alexanderflorean 3 months ago - 3 comments

#100 - upgrading from 0.0.6 -> 0.0.9, getting _async_engine not found

Issue - State: closed - Opened by codekiln 4 months ago - 3 comments

#99 - address issue for mmr calculation

Pull Request - State: closed - Opened by IanQS 4 months ago

#98 - Feature Request: Support for Read-Only Endpoints in PG Vector Vector Store

Issue - State: open - Opened by juliangrueber 4 months ago

#97 - fix: use self.embeddings.aembed_* in async methods

Pull Request - State: closed - Opened by liunux4odoo 4 months ago - 3 comments

#96 - fix: use self.embeddings.aembed_* in async methods

Pull Request - State: closed - Opened by liunux4odoo 4 months ago

#95 - standardizing doc string

Pull Request - State: closed - Opened by isahers1 4 months ago

#94 - psycopg module version error

Issue - State: closed - Opened by erangalds 4 months ago - 1 comment

#93 - Rows returned from similarity_search with filter less than expected

Issue - State: open - Opened by CrazyShipOne 4 months ago - 1 comment

#92 - Lacking CONTRIBUTING.MD

Issue - State: open - Opened by Sachin-Bhat 4 months ago

#91 - Add support for HNSW and IVFFlat indexes, add tests

Pull Request - State: open - Opened by Sachin-Bhat 4 months ago - 4 comments

#90 - Release 0.0.10

Pull Request - State: closed - Opened by eyurtsev 4 months ago

#89 - feat: add IVFFlat index functionality to PGVector

Issue - State: open - Opened by Insomnia0207 4 months ago - 1 comment

#88 - How to query CollectionStore and EmbeddingStore models directly in a clean way?

Issue - State: open - Opened by darahayes 4 months ago - 2 comments
Labels: help wanted

#87 - $contain comperator not working with SelfQueryRetriever

Issue - State: open - Opened by imvaibhav28 4 months ago - 6 comments

#86 - AsyncEngine error: using pgvector to embedding -- cannot insert multiple commands into a prepared statement [SQL: SELECT pg_advisory_xact_lock(1573678846307946496);CREATE EXTENSION IF NOT EXISTS vector

Issue - State: closed - Opened by jack-yu-matrix 4 months ago - 3 comments

#85 - feat: add hnsw index functionality to PGVector

Pull Request - State: open - Opened by wulifu2hao 5 months ago

#84 - Update PGVector community plugin to support uid, directory_id, source_id indexing and search

Pull Request - State: closed - Opened by liuwb 5 months ago

#83 - Implementation of upsert, aupsert, get_by_ids, aget_by_ids

Pull Request - State: closed - Opened by eyurtsev 5 months ago - 1 comment

#82 - Support for pgvector 0.3.x

Issue - State: open - Opened by magaton 5 months ago
Labels: help wanted

#81 - Support for LangGraph checkpointer

Issue - State: open - Opened by nachiketaa 5 months ago - 2 comments

#79 - wip: test out interface addition

Pull Request - State: closed - Opened by eyurtsev 5 months ago

#78 - PGVector with Agents for querying a DB

Issue - State: open - Opened by feddionisio 5 months ago - 1 comment

#77 - Support for jsonb array comparision for $in $nin operator

Pull Request - State: open - Opened by jernkuan 5 months ago

#76 - Release 0.0.9

Pull Request - State: closed - Opened by eyurtsev 5 months ago

#75 - Add transalor

Pull Request - State: closed - Opened by pprados 5 months ago

#73 - Release 0.0.8

Pull Request - State: closed - Opened by eyurtsev 5 months ago

#72 - small:Change python version

Pull Request - State: closed - Opened by pprados 5 months ago

#71 - Support for the sparse embeddings

Issue - State: open - Opened by magaton 5 months ago - 2 comments
Labels: enhancement, help wanted

#70 - Release 0.0.7

Pull Request - State: closed - Opened by eyurtsev 5 months ago

#69 - Add $not operator to list of supported operator in pgvector doc-string

Pull Request - State: closed - Opened by eyurtsev 5 months ago

#68 - Support array comparisons

Issue - State: open - Opened by eyurtsev 5 months ago - 1 comment
Labels: help wanted

#67 - add unit tests for $in and $nin operators

Pull Request - State: closed - Opened by eyurtsev 5 months ago - 1 comment

#66 - pgvector document filters

Pull Request - State: closed - Opened by eyurtsev 5 months ago

#65 - Add benchmarking

Issue - State: open - Opened by eyurtsev 5 months ago
Labels: help wanted

#64 - Add async mode for pgvector (v2)

Pull Request - State: closed - Opened by pprados 5 months ago

#63 - object has no attribute "embed_documents"

Issue - State: closed - Opened by sashokbg 6 months ago - 1 comment

#62 - Add support for the Negation('$not') operator

Pull Request - State: closed - Opened by Raj725 6 months ago - 4 comments

#61 - hybrid search

Issue - State: open - Opened by gecBurton 6 months ago - 1 comment

#60 - Fix transactions not being committed

Pull Request - State: open - Opened by LeiTi34 6 months ago

#59 - Support for jsonb array comparision for $in $nin operator

Pull Request - State: open - Opened by jernkuan 6 months ago

#58 - langchain-postgres on conda-forge

Issue - State: open - Opened by Sachin-Bhat 6 months ago - 1 comment
Labels: help wanted

#57 - Add URL to source code to pyproject.toml

Pull Request - State: closed - Opened by leo-gan 6 months ago

#56 - Nested Metadata filtering broken

Issue - State: open - Opened by NPuhlmann 6 months ago - 1 comment

#55 - ChatMessageHistory does throw error after upgrading, neither sync nor async connection works

Issue - State: open - Opened by gingters 6 months ago - 4 comments
Labels: help wanted

#54 - Update README.md

Pull Request - State: closed - Opened by eyurtsev 6 months ago

#53 - Release 0.0.6

Pull Request - State: closed - Opened by eyurtsev 6 months ago

#52 - BREAKING: remove langgraph checkpointer

Pull Request - State: closed - Opened by eyurtsev 6 months ago - 6 comments

#51 - vectorstore: Fix in exists operator. Was working as null

Pull Request - State: closed - Opened by MartinGotelli 6 months ago - 1 comment

#50 - updated postgresql checkpoint to include metadata.

Pull Request - State: closed - Opened by briancp37 6 months ago - 3 comments

#49 - postgres: relax langgraph dep

Pull Request - State: closed - Opened by eyurtsev 6 months ago

#48 - Release 0.0.5

Pull Request - State: closed - Opened by eyurtsev 6 months ago

#47 - Could you clarify why the "contains" operator is not implemented?

Issue - State: closed - Opened by artefactop 6 months ago - 2 comments

#46 - Attribute Error raised when using "$nin" operator in filter

Issue - State: closed - Opened by xidian237 6 months ago - 2 comments

#45 - Feature Request: `ConversationBufferWindowMemory`

Issue - State: open - Opened by theinhumaneme 6 months ago - 2 comments

#44 - loosen core dep to tolerate 0.2

Pull Request - State: closed - Opened by efriis 6 months ago

#43 - Connection error use azure embedding

Issue - State: open - Opened by cxy-gpt 6 months ago - 1 comment

#42 - Poetry Conflict: Importing Langchain-Postgres v^0.0.3 (current) + LangGraph v^0.0.48 (current)

Issue - State: closed - Opened by WesGBrooks 6 months ago - 2 comments

#41 - Implementation Suggestion: for creating connection string from db params method

Issue - State: open - Opened by manoj9896 7 months ago

#40 - vectorstore: Add support to filter by IS NULL and IS NOT NULL criteria

Pull Request - State: closed - Opened by MartinGotelli 7 months ago

#39 - Error while upgrading psycopg2 to psycopg with "from langchain_postgres import PGVector" and "langchain_postgres.vectorstores import PGVector"

Issue - State: closed - Opened by rkrkrediffmail 7 months ago - 4 comments

#38 - Error while trying to import psycopg with poetry

Issue - State: closed - Opened by FilippoFlorindiKAI 7 months ago - 2 comments

#37 - create a mechanism to migrate from community vectorstore to this implementation

Issue - State: open - Opened by electricjimi 7 months ago - 2 comments
Labels: enhancement

#36 - PostgresChatMessageHistory API break the usage of LCEL and Langserv

Issue - State: open - Opened by pprados 7 months ago - 4 comments

#35 - `CREATE EXTENSION` fails with Azure Cosmos DB for PostgreSQL

Issue - State: open - Opened by joshuasundance-swca 7 months ago - 1 comment

#34 - metadata equality filter loss of performance

Issue - State: open - Opened by galtay-tempus 7 months ago - 1 comment

#33 - relation "langchain_pg_collection" does not exist

Issue - State: closed - Opened by joshpopelka20 7 months ago - 1 comment

#32 - Add async mode for pgvector

Pull Request - State: closed - Opened by pprados 7 months ago - 8 comments

#31 - Error during retrieval

Issue - State: closed - Opened by Sachin-Bhat 7 months ago - 1 comment