Horton

Re: BUG #17994: Invalidating relcache corrupts tupDesc inside ExecEvalFieldStoreDeForm()

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andrew Dunstan <andrew@dunslane.net>
Cc: Andres Freund <andres@anarazel.de>, exclusion@gmail.com, pgsql-bugs@lists.postgresql.org
Date: 2023-06-30T19:08:05Z
Lists: pgsql-bugs 
Andrew Dunstan <andrew@dunslane.net> writes:
> Me either. I think this might call for too much invention so I'm going 
> to revert to plan A. The invalidation code won't be very much, and it 
> should be a fairly rare event, so it doesn't need to be very clever.

The problem with rarely-executed code is that it's also hard to test.

			regards, tom lane

Commits

  1. Cache by-reference missing values in a long lived context

  2. Fix order of operations in ExecEvalFieldStoreDeForm().