On Wed, Jul 29, 2009 at 8:01 PM, Jake Stride<j...@omelett.es> wrote:
> Hi,
>
> I have 2 databases running on the same server. One is a dump of the
> other, however the query plans for the same query on the same tables
> in each database is wildly different and I cannot work out why.
> -> Seq Scan on
> person_contact_methods e (cost=0.00..3281.89 rows=1 width=8) (actual
> time=114.181..114.181 rows=0 loops=1)
> Filter: (main AND
> ((contact)::text ~~* 'j...@omelett.es'::text) AND (type =
> 'E'::bpchar))
> -> Seq Scan on person_contact_methods e (cost=0.00..2942.06
> rows=1 width=8) (actual time=3.718..184.602 rows=772 loops=1)
> Filter: (("type" = 'E'::bpchar) AND main AND
> ((contact)::text ~~* 'j...@omelett.es'::text))
They don't look like the same data from here. One has no matching
records in this table and the other has over 700.
--
greg
http://mit.edu/~gsstark/resume.pdf
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