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Forcing use of a particular index

From: "Karl O(dot) Pinc" <kop(at)meme(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Forcing use of a particular index
Date: 2005-06-27 23:16:01
Message-ID: 1119914161l.4428l.4l@mofo (view raw, whole thread or download thread mbox)
Lists: pgsql-performance


"If you do not succeed in adjusting the costs to be more
appropriate, then you may have to resort to forcing index
usage explicitly."

Is there a way to force a query to use a particular index?
If not, what does this sentence mean?


Karl <kop(at)meme(dot)com>
Free Software:  "You don't pay back, you pay forward."
                  -- Robert A. Heinlein


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