execute('create unique index permissionid_userid on '.$this->getPrefix().'user_permission(permission_id, user_id)'); $this->execute('create unique index groupid_userid on '.$this->getPrefix().'user_group(user_id, group_id)'); $this->execute('create unique index permissionid_parentid on '.$this->getPrefix().'permission_parent(permission_id, parent_id)'); $this->execute('create unique index permissionid_groupid on '.$this->getPrefix().'group_permission(permission_id, group_id)'); } /** * Migrate Down. */ public function down() { $this->execute('drop index permissionid_userid on '.$this->getPrefix().'user_permission'); $this->execute('drop index groupid_userid on '.$this->getPrefix().'user_group'); $this->execute('drop index permissionid_parentid on '.$this->getPrefix().'permission_parent'); $this->execute('drop index permissionid_groupid on '.$this->getPrefix().'group_permission'); } }