T-SQL 递归

WITH TEMP ([ID], [PARENTID])
    AS (SELECT
            UNIQUEID
            ,PID
        FROM [DBO].TB_DEPTINFO D
        WHERE PID = @ParentId UNION ALL SELECT
            UNIQUEID
            ,PID
        FROM [DBO].TB_DEPTINFO I
        INNER JOIN TEMP
            ON I.PID = TEMP.[ID])
    SELECT
        *
    FROM TEMP