Index: includes/database/mysql/database.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/database/mysql/database.inc,v
retrieving revision 1.12
diff -u -r1.12 database.inc
--- includes/database/mysql/database.inc	23 Dec 2008 07:48:24 -0000	1.12
+++ includes/database/mysql/database.inc	24 Dec 2008 00:42:08 -0000
@@ -40,7 +40,7 @@
     // kinds of database systems. These settings force MySQL to behave
     // the same as postgresql, or sqlite in regards to syntax interpretation
     // and invalid data handling. See http://drupal.org/node/344575 for further disscussion.
-    $this->exec("SET sql_mode='ANSI,TRADITIONAL,ONLY_FULL_GROUP_BY'");
+    $this->exec("SET sql_mode='ANSI,TRADITIONAL'");
   }
 
   public function queryRange($query, array $args, $from, $count, array $options = array()) {