Re: performance advice needed: join vs explicit subselect - Mailing list pgsql-general

From Karsten Hilbert
Subject Re: performance advice needed: join vs explicit subselect
Date
Msg-id 20090127215652.GG3820@merkur.hilbert.loc
Whole thread Raw
In response to Re: performance advice needed: join vs explicit subselect  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
On Tue, Jan 27, 2009 at 04:42:02PM -0500, Tom Lane wrote:

> What does EXPLAIN ANALYZE say about it?  Also, what is the use-case
> you are concerned about --- selecting the whole view contents, or
> selecting WHERE something-or-other?

Oh, and the use case is to select all the test_results which
belong to a certain patient:

    where pk_patient = <scalar>

Karsten
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