return array(
'tables' => array( 'p1' => 'page', 'redirect', 'p2' => 'page' ),
'fields' => array( 'namespace' => 'p1.page_namespace',
return array(
'tables' => array( 'p1' => 'page', 'redirect', 'p2' => 'page' ),
'fields' => array( 'namespace' => 'p1.page_namespace',