Robert Haas <robertmh...@gmail.com> writes: > On Fri, Jul 2, 2021 at 4:05 PM Tom Lane <t...@sss.pgh.pa.us> wrote: >> The existing code tried to do syscache lookups in an already-failed >> transaction, which is problematic to say the least.
> Why didn't the assertion in SearchCatCacheInternal() catch this? Was > this code never actually tested? It wasn't tested under conditions in which a catalog lookup would be at real risk of failing --- and I'm not sure that we have any way to do that mechanically. See discussion downthread about when a transaction could be considered "failed". regards, tom lane