pgsql-server/src/backend/optimizer/path indxpath.c

From: tgl(at)svr1(dot)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql-server/src/backend/optimizer/path indxpath.c
Date: 2003-12-18 00:22:13
Message-ID: 20031218002213.0CE5DD1B441@svr1.postgresql.org
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CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)svr1(dot)postgresql(dot)org 03/12/17 20:22:12

Modified files:
src/backend/optimizer/path: indxpath.c

Log message:
Be a little smarter in group_clauses_by_indexkey_for_join: detect cases
where a joinclause is redundant with a restriction clause. Original coding
believed this was impossible and didn't need to be checked for, but that
was a thinko ...

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