| From: | Tom Lane <tgl(at)hub(dot)org> |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql/src/backend/executor Tag: REL7_1_STABLE ... |
| Date: | 2001-05-08 19:48:02 |
| Message-ID: | 200105081948.f48Jm2d47508@hub.org |
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| Lists: | pgsql-committers |
CVSROOT: /home/projects/pgsql/cvsroot
Module name: pgsql
Changes by: tgl(at)hub(dot)org 01/05/08 15:48:02
Modified files:
src/backend/executor: Tag: REL7_1_STABLE nodeAppend.c
nodeSubqueryscan.c
Log message:
Append and SubqueryScan nodes were not passing changed-parameter signals down
to their children, leading to misbehavior if they had any children that paid
attention to chgParam (most plan node types don't). Append's bug has been
there a long time, but nobody had noticed because it used to be difficult
to create a query where an Append would be used below the top level of a
plan; so there were never any parameters getting passed down. SubqueryScan
is new in 7.1 ... and I'd modeled its behavior on Append :-(
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