日期:2014-05-16  浏览次数:20860 次

求周数据
SQL code

tm                    s01  s02  s03  s04 ..... s30
2007-01-01 00:00:00   22   33   34   35  .....  21
2007-01-01 00:05:00   33   88   23   39  .....  53
2007-01-01 00:10:00   58   73   34   58  .....  78
..........
2008-01-01 00:00:00   22   33   34   35  .....  21
2008-01-01 00:05:00   33   88   23   39  .....  53
2008-01-01 00:10:00   58   73   34   58  .....  78
............
2009-01-01 00:00:00   22   33   34   35  .....  21
2009-01-01 00:05:00   33   88   23   39  .....  53
2009-01-01 00:10:00   58   73   34   58  .....  78
...........
2010-01-01 00:00:00   22   33   34   35  .....  21
2010-01-01 00:05:00   33   88   23   39  .....  53
2010-01-01 00:10:00   58   73   34   58  .....  78



我写了一条Sql求周最高值和平均值:
SQL code

SELECT
    week(tm) as dayofweek,
    year(tm) as dayofyear,
    min(tm) as startdate,
    max(tm) as enddate,
    max(s09) as max_s09,
    avg(s09) as avg_s09,
    max(s08) as max_s08,
    avg(s08) as avg_s08,
    max(s07) as max_s07,
    avg(s07) as avg_s07,
    max(s06) as max_s06,
    avg(s06) as avg_s06,
    max(s05) as max_s05,
    avg(s05) as avg_s05,
    max(s04) as max_s04,
    avg(s04) as avg_s04,
    max(s03) as max_s03,
    avg(s03) as avg_s03,
    max(s02) as max_s02,
    avg(s02) as avg_s02,
    max(s01) as max_s01,
    avg(s01) as avg_s01,
    max(s10) as max_s10,
    avg(s10) as avg_s10,
    max(s11) as max_s11,
    avg(s11) as avg_s11,
    max(s19) as max_s19,
    avg(s19) as avg_s19,
    max(s18) as max_s18,
    avg(s18) as avg_s18,
    max(s17) as max_s17,
    avg(s17) as avg_s17,
    max(s16) as max_s16,
    avg(s16) as avg_s16,
    max(s15) as max_s15,
    avg(s15) as avg_s15,
    max(s14) as max_s14,
    avg(s14) as avg_s14,
    max(s13) as max_s13,
    avg(s13) as avg_s13,
    max(s12) as max_s12,
    avg(s12) as avg_s12,
    max(s20) as max_s20,
    avg(s20) as avg_s20,
    max(s21) as max_s21,
    avg(s21) as avg_s21,
    max(s29) as max_s29,
    avg(s29) as avg_s29,
    max(s28) as max_s28,
    avg(s28) as avg_s28,
    max(s27) as max_s27,
    avg(s27) as avg_s27,
    max(s26) as max_s26,
    avg(s26) as avg_s26,
    max(s25) as max_s25,
    avg(s25) as avg_s25,
    max(s24) as max_s24,
    avg(s24) as avg_s24,
    max(s23) as max_s23,
    avg(s23) as avg_s23,
    max(s22) as max_s22,
    avg(s22) as avg_s22,
    max(s30) as max_s30,
    avg(s30) as avg_s30
FROM
    to_genesis
GROUP BY
    week(from_unixtime(tm)),
    year(from_unixtime(tm))



中间自己做一个处理得到的结果为:
SQL code

dayofweek   dayofyear    startdate     enddate    pingjun     zuigao    subject
0           2007         2007-1-1      2007-1-6   123         233       s09
1           2007         2007-1-7      2007-1-13  153         372       s09
..........
52          2007         2007-12-30    2007-12-31 233         388       s09
0           2008         2008-1-1      2008-1-5   123         382       s09
1           2008         2008-1-6      2008-1-12  233         283       s09
.......



我现在的问题是,中间都没问题,但是头和尾的周都是残缺的,
比如头上
2007年的第0周,变成startdate:2006-12-31,enddat:2007-1-6
2007年的第52周,变成startdate:2007-1-7,enddate:2008-1-5

这样来统计么?

谁能帮我改下Sql啊。。谢谢啦~~

------解决方案--------------------
生成所有星期的辅助表,与工作表连接再做处理
------解决方案--------------------
2007-1-7,enddate:2008-1-5

算哪一周呢? 2007年的第52周 还是 2008 第0周?