set the cost of an aggregate function

From: Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>
To: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: set the cost of an aggregate function
Date: 2009-11-30 07:45:26
Message-ID: 3073cc9b0911292345v36fadd66kdc8e8910164dfef6@mail.gmail.com
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Hi,

why we can't do $subject? it could have any benefit on the planner?

--
Atentamente,
Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157

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