Clarify NULLIF example
authorPeter Eisentraut <peter_e@gmx.net>
Wed, 22 Jul 2009 18:07:26 +0000 (18:07 +0000)
committerPeter Eisentraut <peter_e@gmx.net>
Wed, 22 Jul 2009 18:07:26 +0000 (18:07 +0000)
commitc0379a52fa2c997c6fdab81c003c3536ab75df84
treef83bbf821b0f7603cc90ffb17248209425d6b3bd
parent17de3216ca55ccb140cfc210d83698590f95e5df
Clarify NULLIF example

found by "Vesa-Matti J Kari" <vmkari@cc.helsinki.fi>
doc/src/sgml/func.sgml