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Pull requests: langchain-ai/langchain-postgres

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Pull requests list

Feature: Add Document Retrieval with Metadata Filtering
#231 opened Jul 2, 2025 by cedrickrusche Loading… updated Dec 11, 2025
8
fix: tsquery only returns results if all keywords match
#268 opened Nov 14, 2025 by raphaelgurtner Loading… updated Nov 15, 2025
2
Fix: Table 'langchain_pg_collection' is already defined for this MetaData instance
#209 opened May 9, 2025 by 0xrushi Loading… updated Sep 8, 2025
3
feat: support for DiskANN index
#227 opened Jun 27, 2025 by nazarpechka • Draft updated Jul 2, 2025
1
feat: $contains_any and $contains_none operators for array-inclusion filtering
#228 opened Jun 30, 2025 by nazarpechka Loading… updated Jul 1, 2025
feat: support for Halfvec and Sparsevec vector types
#226 opened Jun 26, 2025 by nazarpechka Loading… updated Jun 27, 2025
docs,chore: improve development documentation and fix tooling
#224 opened Jun 26, 2025 by nazarpechka Loading… updated Jun 26, 2025
Add Asynchronous Connection Pooling Support to PostgresChatMessageHistory
#130 opened Oct 16, 2024 by shamspias Loading… updated Jun 18, 2025
4
feature/hybrid-search
#204 opened Apr 27, 2025 by gecBurton • Draft updated Apr 27, 2025
feat: retrieve embeddings from database only when necessary
#119 opened Sep 18, 2024 by fangyi-zhou Loading… updated Apr 24, 2025
3
refactor: vectorstores & chat_message_histories
#179 opened Apr 7, 2025 by misbahfhm Loading… updated Apr 7, 2025
1
Add support to specify custom table schema
#138 opened Nov 10, 2024 by anupkg1985 Loading… updated Mar 18, 2025
6
Add support for HNSW and IVFFlat indexes, add tests
#91 opened Jul 18, 2024 by Sachin-Bhat Loading… updated Feb 14, 2025
1
7
added a method to update session id in PostgresChatMessageHistory
#144 opened Dec 6, 2024 by aadityakanjolia4 Loading… updated Dec 6, 2024
1
[feat]allow user to specify collection & embedding table names
#106 opened Aug 10, 2024 by liunux4odoo Loading… updated Aug 20, 2024
5
feat: add hnsw index functionality to PGVector
#85 opened Jul 6, 2024 by wulifu2hao Loading… updated Jul 15, 2024
3
Support for jsonb array comparision for $in $nin operator
#77 opened Jun 24, 2024 by jernkuan Loading… updated Jul 9, 2024
Fix transactions not being committed
#60 opened May 29, 2024 by LeiTi34 Loading… updated Jun 11, 2024
3
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