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[PR #6400] fix(checkpoint-postgres): make async PG checkpoint migration idempotent #5014

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opened 2026-02-20 17:51:06 -05:00 by yindo · 0 comments
yindo commented 2026-02-20 17:51:06 -05:00
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Original Pull Request: https://github.com/langchain-ai/langgraph/pull/6400

State: closed
Merged: Yes

  • Description: The final migration for the postgres checkpointer is not currently idempotent. That presents problems when migrating from one checkpointer to another or if migrations otherwise get applied twice. This makes the final migration idempotent to avoid this problem.
  • Issue: N/A
  • Dependencies: N/A
  • Twitter handle: N/A
**Original Pull Request:** https://github.com/langchain-ai/langgraph/pull/6400 **State:** closed **Merged:** Yes --- - **Description:** The final migration for the postgres checkpointer is not currently idempotent. That presents problems when migrating from one checkpointer to another or if migrations otherwise get applied twice. This makes the final migration idempotent to avoid this problem. - **Issue:** N/A - **Dependencies:** N/A - **Twitter handle:** N/A
yindo added the pull-request label 2026-02-20 17:51:06 -05:00
yindo closed this issue 2026-02-20 17:51:06 -05:00
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Reference: langchain-ai/langgraph#5014
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