From 07886a84821909a48dd40819a9584aa7f483dfe0 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Sat, 25 Sep 2010 01:41:26 +0000
Subject: - Patch #921582 by munzirtaha: is_null() should be replaced by !isset
 because it's faster.

---
 includes/database/mysql/schema.inc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'includes/database/mysql')

diff --git a/includes/database/mysql/schema.inc b/includes/database/mysql/schema.inc
index 1712ca2a4..cba41eb5f 100644
--- a/includes/database/mysql/schema.inc
+++ b/includes/database/mysql/schema.inc
@@ -156,7 +156,7 @@ class DatabaseSchema_mysql extends DatabaseSchema {
       if (is_string($spec['default'])) {
         $spec['default'] = "'" . $spec['default'] . "'";
       }
-      elseif (is_null($spec['default'])) {
+      elseif (!isset($spec['default'])) {
         $spec['default'] = 'NULL';
       }
       $sql .= ' DEFAULT ' . $spec['default'];
@@ -351,7 +351,7 @@ class DatabaseSchema_mysql extends DatabaseSchema {
       throw new DatabaseSchemaObjectDoesNotExistException(t("Cannot set default value of field %table.%field: field doesn't exist.", array('%table' => $table, '%field' => $field)));
     }
 
-    if (is_null($default)) {
+    if (!isset($default)) {
       $default = 'NULL';
     }
     else {
-- 
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