Hi ChaoAo, At 2025-11-22 18:34:23, "cca5507" <[email protected]> wrote: >One important thing is that we must not skip any call to >ReorderBufferXidSetCatalogChanges() (direct or indirect) during >fast-forwarding or building snapshot, because the historic snapshot only >tracks txns with catalog changes, the v6-0004 seems to skip it in >xact_decode().
> v6-0004 only skip the transaction commited during START state and precedeing next_phase_at (set when changing to BUILDING_SNAPSHOT state) during BUILDING_SNAPSHOT. Those transactions are always useless no matter in fast forward or not. Plaese recheck v6-0004 again. >Here is a related bug: > >>https://www.postgresql.org/message-id/flat/tencent_3A071B760AA1A38540B57F297332B7781C08%40qq.com > > Yeah, I have researched that issue. I think your analyze is correct for me. But it is independent of this thread. Let's discuss it in thread where the issues belongs to. Best regards, Haiyang Li
