Re: [SQL] self join

2011-05-16 Thread Steve Crawford
On 05/14/2011 07:36 PM, Jasen Betts wrote: use the "NOT IN" operator with a subquery to retch the disallowed values Hmmm, "retch" as a synonym for "output"? I've seen more than one case where that is an appropriate description. :) Cheers, Steve -- Sent via pgsql-sql mailing list (pgsql-

Re: [SQL] Performance of NOT IN and <> with PG 9.0.4

2011-05-16 Thread Craig Ringer
On 05/16/2011 06:05 PM, Jasmin Dizdarevic wrote: Hi, is there a reason why Not IN-performance is so poor in 9.0.4 compared to 8.4? Example queries? EXPLAIN ANALYZE output? http://wiki.postgresql.org/wiki/SlowQueryQuestions -- Craig Ringer -- Sent via pgsql-sql mailing list (pgsql-sql@postg

[SQL] Performance of NOT IN and <> with PG 9.0.4

2011-05-16 Thread Jasmin Dizdarevic
Hi, is there a reason why Not IN-performance is so poor in 9.0.4 compared to 8.4? Ty Jasmin