delimiter //
drop PROCEDURE IF EXISTS showChildLst//
CREATE PROCEDURE showChildLst (IN rootid INT)
BEGIN
DECLARE Level int ;
drop TABLE IF EXISTS tmpLst;
CREATE TABLE tmpLst (
id int,
nLevel int,
sCort varchar(8000)
);
Set Level=0 ;
INSERT into tmpLst SELECT id,Level,ID FROM crm_presona_dk WHERE presona_pid=rootid;
WHILE ROW_COUNT()>0 DO
SET Level=Level+1 ;
INSERT into tmpLst
SELECT A.id,Level,concat(B.sCort,'-',A.id) FROM crm_presona_dk A,tmpLst B
WHERE A.presona_pid=B.id AND B.nLevel=Level-1 ;
END WHILE;
END;
//
delimiter ;
call showChildLst(2);
select * from tmpLst;