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Re: Bug #474: Index using problem

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andreas Wernitznig <andreas(at)insilico(dot)com>
Cc: pgsql-bugs(at)postgresql(dot)org
Subject: Re: Bug #474: Index using problem
Date: 2001-10-05 22:01:08
Message-ID: 24148.1002319268@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugs
Andreas Wernitznig <andreas(at)insilico(dot)com> writes:
> Why don't you skip the automatic index creation for primary keys

And how then would we enforce uniqueness of the primary key?

> and let the user decide to create an index, that should be used in any
> case, regardless what the query planner recommends ?

What?  AFAIR the planner does not even *know* whether an index is
associated with a primary key.  It certainly does not give such an
index any special preference.

			regards, tom lane

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