| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Subplan result caching |
| Date: | 2018-07-01 11:15:47 |
| Message-ID: | 9319677f-2e89-1980-5c0f-860a42d159bd@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 23.05.18 11:31, Heikki Linnakangas wrote:
> I've been working on a patch to add a little cache to SubPlans, to speed
> up queries with correlated subqueries, where the same subquery is
> currently executed multiple times with the same parameters. The idea is
> to cache the result of the subplan, with the correlation vars as the
> cache key.
It looks like this patch might be "returned with feedback" for the moment?
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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