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[PR #887] [CLOSED] feat(checkpoint): Add PostgreSQL store implementation with vector sea… #1086

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opened 2026-02-15 19:17:08 -05:00 by yindo · 0 comments
yindo commented 2026-02-15 19:17:08 -05:00
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📋 Pull Request Information

Original PR: https://github.com/langchain-ai/langgraphjs/pull/887
Author: @MohitTilwani15
Created: 2/21/2025
Status: ❌ Closed

Base: main ← Head: postgres-long-term-memory

📝 Commits (2)

  • 7c292c4 feat(checkpoint): Add PostgreSQL store implementation with vector search support
  • ed90166 feat(checkpoint): Add optional query parameter to batched store search method

📊 Changes

4 files changed (+913 additions, -7696 deletions)

View changed files

📝 libs/checkpoint/src/store/batch.ts (+3 -1)
➕ libs/checkpoint/src/store/postgres.ts (+714 -0)
📝 package.json (+2 -0)
📝 yarn.lock (+194 -7695)

📄 Description

…rch support

Introduces a new PostgreSQL-backed store for checkpoints with advanced features:

  • Full CRUD operations with namespaced key-value storage
  • Optional vector embeddings using pgvector
  • Configurable vector indexing (HNSW, IVF Flat)
  • Supports complex filtering and similarity search
  • Automatic schema and index migrations

Fixes # (issue)

🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.

## 📋 Pull Request Information **Original PR:** https://github.com/langchain-ai/langgraphjs/pull/887 **Author:** [@MohitTilwani15](https://github.com/MohitTilwani15) **Created:** 2/21/2025 **Status:** ❌ Closed **Base:** `main` ← **Head:** `postgres-long-term-memory` --- ### 📝 Commits (2) - [`7c292c4`](https://github.com/langchain-ai/langgraphjs/commit/7c292c4513dba711e407cee9668a8cea116cbff9) feat(checkpoint): Add PostgreSQL store implementation with vector search support - [`ed90166`](https://github.com/langchain-ai/langgraphjs/commit/ed901661060c2f284a641edb6bc8fedbab5c18d5) feat(checkpoint): Add optional query parameter to batched store search method ### 📊 Changes **4 files changed** (+913 additions, -7696 deletions) <details> <summary>View changed files</summary> 📝 `libs/checkpoint/src/store/batch.ts` (+3 -1) ➕ `libs/checkpoint/src/store/postgres.ts` (+714 -0) 📝 `package.json` (+2 -0) 📝 `yarn.lock` (+194 -7695) </details> ### 📄 Description …rch support Introduces a new PostgreSQL-backed store for checkpoints with advanced features: - Full CRUD operations with namespaced key-value storage - Optional vector embeddings using pgvector - Configurable vector indexing (HNSW, IVF Flat) - Supports complex filtering and similarity search - Automatic schema and index migrations <!-- Thank you for contributing to LangGraph.js! Your PR will appear in our next release under the title you set above. Please make sure it highlights your valuable contribution. To help streamline the review process, please make sure you read our contribution guidelines: https://github.com/langchain-ai/langgraphjs/blob/main/CONTRIBUTING.md Replace this block with a description of the change, the issue it fixes (if applicable), and relevant context. Finally, we'd love to show appreciation for your contribution - if you'd like us to shout you out on Twitter, please also include your handle below! --> <!-- Remove if not applicable --> Fixes # (issue) --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>
yindo added the pull-request label 2026-02-15 19:17:08 -05:00
yindo closed this issue 2026-02-15 19:17:08 -05:00
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Reference: langchain-ai/langgraphjs#1086
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