pgsql-server: Fix estimate_num_groups to be able to use expression-index

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server: Fix estimate_num_groups to be able to use expression-index
Date: 2004-09-18 19:39:52
Message-ID: 20040918193952.154F9329E60@svr1.postgresql.org
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Log Message:
-----------
Fix estimate_num_groups to be able to use expression-index statistics
when there is an expressional index matching a GROUP BY item.

Modified Files:
--------------
pgsql-server/src/backend/utils/adt:
selfuncs.c (r1.165 -> r1.166)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/adt/selfuncs.c.diff?r1=1.165&r2=1.166)

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