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

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

От
tgl@svr1.postgresql.org (Tom Lane)
Дата:
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)