SELECT
a.* ,
CASE
WHEN a.parent_id != '0' THEN
( SELECT name FROM sys_menu WHERE id = a.parent_id ) ELSE 0
END AS 'parentName'
FROM
sys_menu a
ORDER BY
a.sort ASC
SELECT
a.* ,
CASE
WHEN a.parent_id != '0' THEN
( SELECT name FROM sys_menu WHERE id = a.parent_id ) ELSE 0
END AS 'parentName'
FROM
sys_menu a
ORDER BY
a.sort ASC