Sydney RunkleandClaude Opus 4.7 f25d1935ef fix(postgres): handle missing checkpoint_id in _get_channel_writes_history; update test signatures ...

Two fixes exposed by running the postgres test suite against a local
postgres instance:

1. `PostgresSaver._get_channel_writes_history` /
   `AsyncPostgresSaver._aget_channel_writes_history` required
   `checkpoint_id` in the passed config, raising `KeyError` when called
   with just `thread_id` (e.g. `graph.aget_state({"thread_id": "..."})`).
   Now resolves to the latest checkpoint via `get_tuple`/`aget_tuple`
   when the id is missing.

2. `test_get_checkpoint_no_channel_values` (sync + async) monkeypatched
   `_load_checkpoint_tuple` with the old `(value, cur)` signature. Method
   now takes `(value)` only since delta reconstruction moved out of the
   tuple-load path — updated both tests.

Local postgres (`brew install pgvector postgresql@16`, running on port
5441) now exercises all 40 non-vector postgres tests green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-04-23 14:47:22 -04:00

..

checkpoint/postgres

fix(postgres): handle missing checkpoint_id in _get_channel_writes_history; update test signatures

2026-04-23 14:47:22 -04:00

store/postgres

fix: re-use connection (#7220)

2026-03-18 13:31:46 -07:00