Re: Memory leaks on SRF rescan

Neil Conway <neilc@samurai.com>

From: Neil Conway <neilc@samurai.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Date: 2008-02-22T02:48:34Z
Lists: pgsql-hackers
On Thu, 2008-02-21 at 21:42 -0500, Tom Lane wrote:
> Given your point (2), is this worth fixing by itself?

Right, probably not.

> Yeah.  I think it's hopeless to expect these functions to all hew to
> the straight and narrow path.  It seems to me that the right way is for
> the sub-select to somehow run in its own "per-query" context.

Hmm, I was thinking of just fixing this by arranging for the
FuncCallContext's multi-call context to be a special context created by
the function scan, and that is reset/deleted at the appropriate time.
Would this not fix the issue as well?

-Neil