pgsql: Fix core dump in contrib/xml2's xpath_table() when the input

From: tgl(at)postgresql(dot)org (Tom Lane)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Fix core dump in contrib/xml2's xpath_table() when the input
Date: 2008-03-26 01:19:23
Message-ID: 20080326011923.7FC047558E7@cvs.postgresql.org
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Log Message:
-----------
Fix core dump in contrib/xml2's xpath_table() when the input query returns
a NULL value. Per bug #4058.

Tags:
----
REL8_1_STABLE

Modified Files:
--------------
pgsql/contrib/xml2:
xpath.c (r1.8 -> r1.8.2.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/xml2/xpath.c?r1=1.8&r2=1.8.2.1)

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