{* file to handle db changes in 4.6.alpha6 during upgrade *}
-UPDATE `civicrm_navigation` SET url = 'civicrm/api' WHERE url = 'civicrm/api/explorer';
\ No newline at end of file
+UPDATE `civicrm_navigation` SET url = 'civicrm/api' WHERE url = 'civicrm/api/explorer';
+
+-- CRM-15931
+UPDATE civicrm_mailing_group SET group_type = 'Include' WHERE group_type = 'include';
+UPDATE civicrm_mailing_group SET group_type = 'Exclude' WHERE group_type = 'exclude';
+UPDATE civicrm_mailing_group SET group_type = 'Base' WHERE group_type = 'base';