"(cl_timestamp > $timestamp OR (cl_timestamp = $timestamp AND cl_from > $lastId))";
$res = $dbr->select( [ 'page', 'categorylinks' ],
[ 'page_id', 'cl_timestamp' ],
"(cl_timestamp > $timestamp OR (cl_timestamp = $timestamp AND cl_from > $lastId))";
$res = $dbr->select( [ 'page', 'categorylinks' ],
[ 'page_id', 'cl_timestamp' ],