pgsql: Fix failure with whole-row reference to a subquery.

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Fix failure with whole-row reference to a subquery.
Date: 2013-11-11 21:36:53
Message-ID: E1VfzAD-0008Ir-K5@gemulon.postgresql.org
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Fix failure with whole-row reference to a subquery.

Simple oversight in commit 1cb108efb0e60d87e4adec38e7636b6e8efbeb57 ---
recursively examining a subquery output column is only sane if the
original Var refers to a single output column. Found by Kevin Grittner.

Branch
------
REL9_2_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/449d5acd7d02fae0086ecfbbd45a13f28a40e795

Modified Files
--------------
src/backend/utils/adt/selfuncs.c | 6 ++++++
1 file changed, 6 insertions(+)

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