Fix crash of xmlconcat(NULL)
commit8b53b2ef9f73a8cf112e8d39099319a113060874
authorpetere <petere>
Sat, 15 Nov 2008 20:52:35 +0000 (15 20:52 +0000)
committerpetere <petere>
Sat, 15 Nov 2008 20:52:35 +0000 (15 20:52 +0000)
tree2a7830d97dfa084fa5fdb9fdd4d7874689f65edc
parentcfe0411a1af88274364f58e2106b93e67dd942b5
Fix crash of xmlconcat(NULL)

also backpatched to 8.3
src/backend/executor/execQual.c
src/test/regress/expected/xml.out
src/test/regress/expected/xml_1.out
src/test/regress/sql/xml.sql