Re: pgsql: Remove inappropriate memory context switch in

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

From: Tom Lane <tgl@sss.pgh.pa.us>
To: pgsql-hackers@postgresql.org
Cc: pgsql-committers@postgresql.org
Date: 2008-11-30T21:29:03Z
Lists: pgsql-hackers
"Neil Conway" <neilc@samurai.com> writes:
> On Sun, Nov 30, 2008 at 1:09 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Well, dblink is simply calling SRF_RETURN_DONE() when the current
> context is the multi-call memory context.

So I see.

> We could outlaw that
> practice, but that risks breaking out-of-tree SRFs that do something
> similar.

No, they're already broken; this is just making the breakage more
obvious.  It is not kosher for a SQL-callable function to return with
a different current context than it was called in.

			regards, tom lane