- put comment in template

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33797 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/templates/my.cnf.in

@@ -7,7 +7,13 @@ socket = ${configuration:mysql_sock}
 
 # The MySQL server
 [mysqld]
+# ERP5 by default requires InnoDB storage. MySQL by default fallbacks to using
+# different engine, like MyISAM. Such behaviour generates problems only, when
+# tables requested as InnoDB are silently created with MyISAM engine.
+#
+# Loud fail is really required in such case.
 sql-mode="NO_ENGINE_SUBSTITUTION"
+
 port = ${configuration:mysql_port}
 socket = ${configuration:mysql_sock}
 datadir = ${configuration:mysql_datadir}