Where can I get the number of plans that considered by Planner?

From: 纪晓曦 <sheepjxx(at)gmail(dot)com>
To: Postgres General Postgres General <pgsql-general(at)postgresql(dot)org>
Subject: Where can I get the number of plans that considered by Planner?
Date: 2009-09-30 09:08:35
Message-ID: 37a11ce00909300208v6de3ef5ei86daff247ae4bd5d@mail.gmail.com
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Where can I add a integer counter to count the plans considered by planner.
In my opinion, it is in the src/backend/optimizer/path directorty.

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