Re: No hash join across partitioned tables?
Kris Jurka <books@ejurka.com>
From: Kris Jurka <books@ejurka.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Date: 2009-04-17T15:07:21Z
Lists: pgsql-hackers, pgsql-performance
Tom Lane wrote: > Is there another issue here besides that one? I think you were hoping > that the hash join would be faster than the alternatives, but the cost > estimate says it's a lot slower. Is that actually the case? > The hash join takes less than twenty seconds, the other two joins I killed after five minutes. I can try to collect explain analyze results later today if you'd like. Kris Jurka