svn commit - mysqldoc@docsrva: r951 - in trunk: . refman-5.0

[paul]

Author: paul
Date: 2006-01-20 20:35:17 +0100 (Fri, 20 Jan 2006)
New Revision: 951

Log:
 r6485@frost:  paul | 2006-01-20 12:10:35 -0600
 Point out an incompatibility in the 4.1 -> 5.0 upgrade section. (Bug#15610)


Modified:
   trunk/
   trunk/refman-5.0/installing.xml


Property changes on: trunk
___________________________________________________________________
Name: svk:merge
   - b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:6472
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:2387
   + b5ec3a16-e900-0410-9ad2-d183a3acac99:/mysqldoc-local/mysqldoc/trunk:6485
bf112a9c-6c03-0410-a055-ad865cd57414:/mysqldoc-local/mysqldoc/trunk:2387

Modified: trunk/refman-5.0/installing.xml
===================================================================
--- trunk/refman-5.0/installing.xml	2006-01-20 17:46:29 UTC (rev 950)
+++ trunk/refman-5.0/installing.xml	2006-01-20 19:35:17 UTC (rev 951)
@@ -12465,6 +12465,23 @@
 
         <listitem>
           <para>
+            <emphasis role="bold">Incompatible change:</emphasis> Before
+            MySQL 5.0.13,
+            <literal>GREATEST(<replaceable>x</replaceable>,NULL)</literal>
+            and
+            <literal>LEAST(<replaceable>x</replaceable>,NULL)</literal>
+            return <replaceable>x</replaceable> when
+            <replaceable>x</replaceable> is a
+            non-<literal>NULL</literal> value. As of 5.0.3, both
+            functions return <literal>NULL</literal> if any argument is
+            <literal>NULL</literal>, the same as Oracle. This change can
+            cause problems for applications that rely on the old
+            behavior.
+          </para>
+        </listitem>
+
+        <listitem>
+          <para>
             Some keywords are reserved in MySQL &current-series; that
             were not reserved in MySQL &previous-series;. See
             <xref linkend="reserved-words"/>.