使用SQL查询连续号码段

原文http://www.cnblogs.com/tc310/archive/2010/09/17/1829276.html

 

CREATE TABLE #test(fphm INT ,kshm CHAR(8))

INSERT #test
SELECT 2014,'00000001' UNION ALL
SELECT 2014,'00000002' UNION ALL
SELECT 2014,'00000003' UNION ALL
SELECT 2014,'00000004' UNION ALL
SELECT 2014,'00000005' UNION ALL
SELECT 2014,'00000007' UNION ALL
SELECT 2014,'00000008' UNION ALL
SELECT 2014,'00000009' UNION ALL
SELECT 2013,'00000120' UNION ALL
SELECT 2013,'00000121' UNION ALL
SELECT 2013,'00000122' UNION ALL
SELECT 2013,'00000124' UNION ALL
SELECT 2013,'00000125' 

SELECT * FROM #test
 
SELECT fphm, kshm = MIN(kshm) + ',' + MAX(kshm)
FROM ( SELECT *, gid = kshm - pid
    FROM  ( SELECT ROW_NUMBER() OVER ( PARTITION BY fphm ORDER BY kshm ) pid,
        *
       FROM  #test
     ) s1
  ) s2
GROUP BY fphm, gid