Horton

Re: BUG #19438: segfault with temp_file_limit inside cursor

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

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David Rowley <dgrowleyml@gmail.com>
Cc: kuzmin.db4@gmail.com, pgsql-bugs@lists.postgresql.org
Date: 2026-03-30T02:19:11Z
Lists: pgsql-bugs 
David Rowley <dgrowleyml@gmail.com> writes:
> Fair. Maybe worth a short comment in the code to explain why we don't
> use the same elevel then? Just considering someone stumbling upon the
> variation in the future and reporting or asking why, and us having to
> dig up the reason why in the archives to answer them.
> Maybe something like this?

Works for me.  I'm done for the day but will make it so tomorrow.

			regards, tom lane

Commits

  1. Be more careful to preserve consistency of a tuplestore.

  2. Detect pfree or repalloc of a previously-freed memory chunk.

  3. Improve performance of and reduce overheads of memory management