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On Sat, Mar 30, 2013 at 7:01 AM, <stien...@comcast.net> wrote: > The following bug has been logged on the website: > > Bug reference: 8013 > Logged by: Rae Stiening > Email address: stien...@comcast.net > PostgreSQL version: 9.2.3 > Operating system: Suse Linux 9.3 > Description: > > The query: > SELECT pts_key,count(*) > FROM tm_tm_pairs GROUP BY pts_key HAVING count(*) !=1 ORDER BY > pts_key > > Which is executed as: > GroupAggregate (cost=108680937.80..119278286.60 rows=470993280 width=4) > Filter: (count(*) <> 1) > -> Sort (cost=108680937.80..109858421.00 rows=470993280 width=4) > Sort Key: pts_key > -> Seq Scan on tm_tm_pairs (cost=0.00..8634876.80 rows=470993280 > width=4) > > uses all available memory (32GB). pts_key is an integer and the table > contains about 500 million rows. > > PostgreSQL 9.2.3 on x86_64-unknown-linux-gnu, compiled by gcc (SUSE Linux) > 4.7.2 20130108 [gcc-4_7-branch revision 195012], 64-bit > ( > > compile options: > > env CFLAGS='-O3 -march=native' ./configure --with-segsize=128 > > > > > -- > Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-bugs >
