From fe2f878173cdb4b9ad4d70ad9d979d06a5d5df58 Mon Sep 17 00:00:00 2001
From: "Thomas G. Lockhart" <lockhart@fourpalms.org>
Date: Wed, 29 Sep 1999 05:20:20 +0000
Subject: [PATCH] Fix (mis)information about NULLIF() SQL function. Thanks to
Tom Lane for pointing it out.
---
doc/src/sgml/func.sgml | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index 492859f56b6..2bfec9272e5 100644
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -45,10 +45,10 @@
class="parameter">c2</replaceable> + 5, 0) </entry>
</row>
<row>
- <entry> IFNULL(<replaceable class="parameter">input</replaceable>,<replaceable class="parameter">non-NULL substitute</replaceable>) </entry>
- <entry> non-NULL </entry>
- <entry> return second argument if first is NULL </entry>
- <entry> IFNULL(<replaceable class="parameter">c1</replaceable>, 'N/A')</entry>
+ <entry> NULLIF(<replaceable class="parameter">input</replaceable>,<replaceable class="parameter">value</replaceable>) </entry>
+ <entry> <replaceable class="parameter">input</replaceable> or NULL </entry>
+ <entry> return NULL if <replaceable class="parameter">input</replaceable> = <replaceable class="parameter">value</replaceable> </entry>
+ <entry> NULLIF(<replaceable class="parameter">c1</replaceable>, 'N/A')</entry>
</row>
<row>
<entry> CASE WHEN <replaceable class="parameter">expr</replaceable> THEN <replaceable class="parameter">expr</replaceable> [...] ELSE <replaceable class="parameter">expr</replaceable> END </entry>
--
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