Re: Allow substitute allocators for PGresult.
Matteo Beccati <php@beccati.com>
From: Matteo Beccati <php@beccati.com>
To: pgsql-hackers@postgresql.org
Date: 2011-11-12T20:38:55Z
Lists: pgsql-hackers
On 12/11/2011 07:36, Robert Haas wrote: > On Sat, Nov 12, 2011 at 12:48 AM, Tom Lane<tgl@sss.pgh.pa.us> wrote: >> AIUI Kyotaro-san is just suggesting that the app should be able to >> provide a substitute malloc function for use in allocating PGresult >> space (and not, I think, anything else that libpq allocates internally). >> Basically this would allow PGresults to be cleaned up with methods other >> than calling PQclear on each one. It wouldn't affect how you'd interact >> with one while you had it. That seems like pretty much exactly what we >> want for preventing memory leaks in the backend; but is it going to be >> useful for other apps? > > I think it will. Maybe I've just talking nonsense, I just have little experience hacking the pgsql and pdo-pgsql exstensions, but to me it would seem something that could easily avoid an extra duplication of the data returned by pqgetvalue. To me it seems a pretty nice win. Cheers -- Matteo Beccati Development & Consulting - http://www.beccati.com/