| From: | tgl(at)svr1(dot)postgresql(dot)org (Tom Lane) |
|---|---|
| To: | pgsql-committers(at)postgresql(dot)org |
| Subject: | pgsql-server/src backend/optimizer/plan/create ... |
| Date: | 2003-08-07 19:20:25 |
| Message-ID: | 20030807192025.D5943D1C4EB@svr1.postgresql.org |
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| Lists: | pgsql-committers |
CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl(at)svr1(dot)postgresql(dot)org 03/08/07 16:20:24
Modified files:
src/backend/optimizer/plan: createplan.c
src/backend/parser: parse_clause.c
src/include/parser: parse_clause.h
src/test/regress/expected: join.out
src/test/regress/sql: join.sql
Log message:
create_unique_plan() should not discard existing output columns of the
subplan it starts with, as they may be needed at upper join levels.
See comments added to code for the non-obvious reason why. Per bug report
from Robert Creager.
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