From: | tgl(at)postgresql(dot)org (Tom Lane) |
---|---|
To: | pgsql-committers(at)postgresql(dot)org |
Subject: | pgsql: Last week's patch for make_sort_from_pathkeys wasn't good enough: |
Date: | 2007-11-08 19:25:37 |
Message-ID: | 20071108192537.97E0D754156@cvs.postgresql.org |
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Lists: | pgsql-committers |
Log Message:
-----------
Last week's patch for make_sort_from_pathkeys wasn't good enough: it has
to be able to discard top-level RelabelType nodes on *both* sides of the
equivalence-class-to-target-list comparison, since make_pathkey_from_sortinfo
might either add or remove a RelabelType. Also fix the latter to do the
removal case cleanly. Per example from Peter.
Modified Files:
--------------
pgsql/src/backend/optimizer/path:
pathkeys.c (r1.87 -> r1.88)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/path/pathkeys.c?r1=1.87&r2=1.88)
pgsql/src/backend/optimizer/plan:
createplan.c (r1.232 -> r1.233)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/plan/createplan.c?r1=1.232&r2=1.233)
pgsql/src/backend/optimizer/util:
tlist.c (r1.74 -> r1.75)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/util/tlist.c?r1=1.74&r2=1.75)
pgsql/src/include/optimizer:
tlist.h (r1.45 -> r1.46)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/optimizer/tlist.h?r1=1.45&r2=1.46)
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