商品上架时间设计跨天的查询

SELECT  *
FROM    C
                                        WHERE ( 1 = CASE WHEN c.vcStartTime < c.vcEndTime
                                                       THEN ( CASE
                                                              WHEN CONVERT(VARCHAR(5), GETDATE(), 8) BETWEEN c.vcStartTime
                                                              AND
                                                              c.vcEndTime
                                                              THEN 1
                                                              ELSE 0
                                                              END )
                                                       ELSE ( CASE
                                                              WHEN CONVERT(VARCHAR(5), GETDATE(), 8) >= c.vcStartTime
                                                              OR CONVERT(VARCHAR(5), GETDATE(), 8) <= c.vcEndTime
                                                              THEN 1
                                                              ELSE 0
                                                              END )
                                                  END )