mysql 中创建递归函数

1.在navicat中创建递归函数

BEGIN
DECLARE fname VARCHAR(8000) DEFAULT '';
DECLARE strname varchar(8000) default '';
DECLARE fid varchar(100) default '';
DECLARE str varchar(1000) default rootId;
 DECLARE indexOrer INT DEFAULT 0;
WHILE rootId is not null  do
    SET fid =(SELECT parentId FROM uc_organization WHERE id = rootId);
 SET fname =(SELECT name FROM uc_organization WHERE id = rootId);
    IF fid is not null THEN
set strname=CONCAT(strname,',',fname);
        SET str = concat(str, ',', fid);
        SET rootId = fid;
    ELSE
        SET rootId = fid;
    END IF;
END WHILE;

set strname=REPLACE(strname,',集团','');
set strname=TRIM(BOTH ',' FROM strname);
return strname;
END

参数：rootId varchar(1000)  CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci

返回类型：varchar(1000)

类型：FUNCTION