From 524ad88107eb5e2b0a584153e9cd875b8243df26 Mon Sep 17 00:00:00 2001
From: Petr Skoda <skodak@moodle.org>
Date: Tue, 14 Sep 2010 16:14:19 +0000
Subject: [PATCH] fixed funny initialisation of static local variable

---
 lib/ddl/sql_generator.php | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/lib/ddl/sql_generator.php b/lib/ddl/sql_generator.php
index 515e7f51d64..9dc3b29ba05 100644
--- a/lib/ddl/sql_generator.php
+++ b/lib/ddl/sql_generator.php
@@ -918,9 +918,7 @@ abstract class sql_generator {
     /// We need this because sql statements are created before executing
     /// them, hence names doesn't exist "physically" yet in DB, so we need
     /// to known which ones have been used
-        if (!isset($used_names)) {
-            static $used_names = array();
-        }
+        static $used_names = array();
 
     /// Use standard naming. See http://docs.moodle.org/en/XMLDB_key_and_index_naming
         $tablearr = explode ('_', $tablename);