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Pull requests: langchain-ai/langchain-postgres

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Pull requests list

feat: timestamped chat history with session tracking
#277 opened Feb 13, 2026 by Matt Mo (supmo668) Loading…
9 tasks done
chore: Fix CVE-2025-68664
#274 opened Dec 31, 2025 by Loganaden Velvindron (loganaden) Loading…
chore: add deprecation warning to PGVector
#273 opened Dec 26, 2025 by KAUSHIK KUMAR (kaushikkumarkr) Loading…
fix: tsquery only returns results if all keywords match
#268 opened Nov 14, 2025 by raphaelgurtner Loading…
2
chore: Add deprecation warning for PGVector
#246 opened Aug 14, 2025 by dishaprakash • Draft
@averikitsch
feat: $contains_any and $contains_none operators for array-inclusion filtering
#228 opened Jun 30, 2025 by Nazar Pechevystyi (nazarpechka) Loading…
3
feat: support for DiskANN index
#227 opened Jun 27, 2025 by Nazar Pechevystyi (nazarpechka) • Draft
1
feat: support for Halfvec and Sparsevec vector types
#226 opened Jun 26, 2025 by Nazar Pechevystyi (nazarpechka) Loading…
docs,chore: improve development documentation and fix tooling
#224 opened Jun 26, 2025 by Nazar Pechevystyi (nazarpechka) Loading…
Fix: Table 'langchain_pg_collection' is already defined for this MetaData instance
#209 opened May 9, 2025 by Rushi Chaudhari (0xrushi) Loading…
3
feature/hybrid-search
#204 opened Apr 27, 2025 by George Burton (gecBurton) • Draft
refactor: vectorstores & chat_message_histories
#179 opened Apr 7, 2025 by Misbah Fahamsyah (misbahfhm) Loading…
1
Added latest PGVector features
#147 opened Dec 10, 2024 by daniel_fornarini (danielfornarini) Loading…
@eyurtsev
9
add a new operator for array inclusion filtering
#146 opened Dec 9, 2024 by SJ (sjjpo2002) Loading…
1
added a method to update session id in PostgresChatMessageHistory
#144 opened Dec 6, 2024 by aadityakanjolia4 Loading…
1
Add support to specify custom table schema
#138 opened Nov 10, 2024 by Anupkumar Ghogare (anupkg1985) Loading…
6
Add Asynchronous Connection Pooling Support to PostgresChatMessageHistory
#130 opened Oct 16, 2024 by The Wandering Algorithm (shamspias) Loading…
4
Enable Deletion of Vectors by Metadata in PGVector
#128 opened Oct 15, 2024 by The Wandering Algorithm (shamspias) Loading…
@eyurtsev
1
Fix metadata deserialization in async mode for PGVector
#125 opened Oct 8, 2024 by The Wandering Algorithm (shamspias) Loading…
@eyurtsev
20
feat: retrieve embeddings from database only when necessary
#119 opened Sep 18, 2024 by Fangyi Zhou (fangyi-zhou) Loading…
3
[feat]allow user to specify collection & embedding table names
#106 opened Aug 10, 2024 by liunux4odoo Loading…
5
Add support for HNSW and IVFFlat indexes, add tests
#91 opened Jul 18, 2024 by Sachin Bhat (Sachin-Bhat) Loading…
1
7
feat: add hnsw index functionality to PGVector
#85 opened Jul 6, 2024 by WU LIFU (wulifu2hao) Loading…
3
Support for jsonb array comparision for $in $nin operator
#77 opened Jun 24, 2024 by Jern-Kuan Leong (jernkuan) Loading…
Fix transactions not being committed
#60 opened May 29, 2024 by LeiTi34 Loading…
3
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