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[PR #509] [CLOSED] Support nodes sending private info to another node, only readable by that node. #1511

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opened 2026-02-20 17:44:55 -05:00 by yindo · 0 comments
yindo commented 2026-02-20 17:44:55 -05:00
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📋 Pull Request Information

Original PR: https://github.com/langchain-ai/langgraph/pull/509
Author: @nfcampos
Created: 5/20/2024
Status: ❌ Closed

Base: main ← Head: nc/20may/node-private-state

📝 Commits (3)

  • 3bdaa3e Support nodes sending private info to another node, only readable by that node
  • 9119aee Add async test
  • cded8a0 Clear node private data after used

📊 Changes

5 files changed (+69 additions, -12 deletions)

View changed files

📝 langgraph/channels/last_value.py (+9 -0)
📝 langgraph/graph/state.py (+24 -4)
📝 langgraph/pregel/__init__.py (+10 -5)
📝 tests/test_pregel.py (+21 -2)
📝 tests/test_pregel_async.py (+5 -1)

📄 Description

  • Note this doesn't act as an edge, ie. it doesn't trigger the node

🔄 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/langgraph/pull/509 **Author:** [@nfcampos](https://github.com/nfcampos) **Created:** 5/20/2024 **Status:** ❌ Closed **Base:** `main` ← **Head:** `nc/20may/node-private-state` --- ### 📝 Commits (3) - [`3bdaa3e`](https://github.com/langchain-ai/langgraph/commit/3bdaa3e57e99f47b8f112144dacf860a58bdb84c) Support nodes sending private info to another node, only readable by that node - [`9119aee`](https://github.com/langchain-ai/langgraph/commit/9119aee648b8fa24f5a0220c5baddba76abf33ef) Add async test - [`cded8a0`](https://github.com/langchain-ai/langgraph/commit/cded8a0628c0710a98b9ca5035404697590370bb) Clear node private data after used ### 📊 Changes **5 files changed** (+69 additions, -12 deletions) <details> <summary>View changed files</summary> 📝 `langgraph/channels/last_value.py` (+9 -0) 📝 `langgraph/graph/state.py` (+24 -4) 📝 `langgraph/pregel/__init__.py` (+10 -5) 📝 `tests/test_pregel.py` (+21 -2) 📝 `tests/test_pregel_async.py` (+5 -1) </details> ### 📄 Description - Note this doesn't act as an edge, ie. it doesn't trigger the node --- <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 2026-02-20 17:44:55 -05:00
yindo closed this issue 2026-02-20 17:44:55 -05:00
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Reference: langchain-ai/langgraph#1511
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