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How to construct an exact plan

From: Pei He <hepeimail(at)gmail(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: How to construct an exact plan
Date: 2010-08-30 17:34:35
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Lists: pgsql-hackers
I have developed a new operators, and I want to do some tests on it.
I do not want the optimizer to choose the plan for me, and I need to
construct a plan as exact as I want.

Can anyone provide me a way to achieve that?



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