Add documentation mention that 7 != NULL also returns NULL.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/ebbcba75b46699fe11e347e1250898ce7d01b6f2
Modified Files
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doc/src/sgml/func.sgml | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)