pgsql/src/backend/optimizer/prep prepunion.c

From: Tom Lane <tgl(at)hub(dot)org>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql/src/backend/optimizer/prep prepunion.c
Date: 2001-03-27 18:02:19
Message-ID: 200103271802.f2RI2J281889@hub.org
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CVSROOT: /home/projects/pgsql/cvsroot
Module name: pgsql
Changes by: tgl(at)hub(dot)org 01/03/27 13:02:19

Modified files:
src/backend/optimizer/prep: prepunion.c

Log message:
Quick hack to fix Oliver Elphick's problem with subselects in an
inheritance query: make duplicate copies of subplans in adjust_inherited_attrs.
When we redesign querytrees we really gotta do something about this
issue of whether querytrees are read-only and can share substructure
or not.

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