On Tue, Aug 13, 2019 at 6:36 AM Alvaro Herrera <alvhe...@2ndquadrant.com> wrote: > > On 2019-Aug-07, Andres Freund wrote: > > > I think we would need to do this for all values of > > SnapBuildCurrentState() - after all the problem occurs because we > > *previously* didn't assign subxids to the toplevel xid. Compared to the > > cost of catalog changes, ReorderBufferAssignChild() is really cheap. So > > I don't think there's any problem just calling it unconditionally (when > > top_xid <> xid, of course). > > BTW I wrote the code as suggested and it passes all the tests ... but I > then noticed that the unpatched code doesn't fail Ildar's original > pgbench-based test for me, either. So maybe my laptop is not powerful > enough to reproduce it, or maybe I'm doing something wrong.
If you share the patch fixing this issue I'll test it on my environment where I could reproduce the original problem. Regards, -- Masahiko Sawada NIPPON TELEGRAPH AND TELEPHONE CORPORATION NTT Open Source Software Center