pgsql: Defend against null input in analyze_requires_snapshot(), per

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Defend against null input in analyze_requires_snapshot(), per
Date: 2009-01-08 13:42:33
Message-ID: 20090108134233.8B5C0754A1B@cvs.postgresql.org
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Log Message:
-----------
Defend against null input in analyze_requires_snapshot(), per report
from Rushabh Lathia.

Modified Files:
--------------
pgsql/src/backend/parser:
analyze.c (r1.386 -> r1.387)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/analyze.c?r1=1.386&r2=1.387)

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