How are pg_operator and pg_type related with each other?

From: Felix(dot)徐 <ygnhzeus(at)gmail(dot)com>
To: pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: How are pg_operator and pg_type related with each other?
Date: 2014-01-15 14:08:00
Message-ID: CAPmhLM0Kfp_3HuXhrqK=EL905N6CQeicVxOj37eAUavEMKZpDw@mail.gmail.com
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Hi all,
I'm studying pg_statistic table and I find that column staop is related to
pg_operator, and different data types relate to different staop, but I
don't know where pgsql stores the mapping between pg_type and pg_operator,
does anyone have any idea about it? thanks!

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