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Query is taking 5 HOURS to Complete on 8.1 version

This is a discussion on Query is taking 5 HOURS to Complete on 8.1 version within the Pgsql Performance forums, part of the PostgreSQL category; --> smiley2211 wrote: > > Hello all, > > I've made the changes to view to use UNION ALL and ...


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Old 04-19-2008, 11:10 AM
Alvaro Herrera
 
Posts: n/a
Default Re: Query is taking 5 HOURS to Complete on 8.1 version

smiley2211 wrote:
>
> Hello all,
>
> I've made the changes to view to use UNION ALL and the where NOT IN
> suggestions...the query now takes a little under 3 hours instead of 5 --
> here is the EXPLAIN ANALYZE:


It seems you have disabled nested loops --- why? Try turning them back
on and let us see the EXPLAIN ANALYZE again.

It would be extremely helpful if you saved it in a file and attached it
separately so that the indentation and whitespace is not mangled by your
email system. It would be a lot more readable that way.

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match

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