mysql 累计值计算

Posted 2020-09-18 葫芦杯

由于mysql没有很好的支持分析函数，现在以SUM分析函数为例，做一下mysql的按日累计值计算

mysql 累计计算
select DateID TRAN_DT,
       REGI_CH REGI_CH,
       TRAN_CH TRAN_CH,
       IFNULL(DRAW_CT, 0) DRAW_CT,
       round(IFNULL(DRAW_AMT, 0),2) DRAW_AMT,
       ALL_DRAW_CT,
       round(ALL_DRAW_AMT, 2) ALL_DRAW_AMT
  from (select d.DateID,
               d.REGI_CH REGI_CH,
               d.TRAN_CH TRAN_CH,
               DRAW_CT,
               DRAW_AMT,
               @rownum := @rownum + 1,
               IF(@REGI_CH = d.REGI_CH and @TRAN_CH = d.TRAN_CH,
                  @ALL_DRAW_CT := @ALL_DRAW_CT + ifnull(b.DRAW_CT, 0),
                  @ALL_DRAW_CT := b.DRAW_CT) AS ALL_DRAW_CT,
               IF(@REGI_CH = d.REGI_CH and @TRAN_CH = d.TRAN_CH,
                  @ALL_DRAW_AMT := @ALL_DRAW_AMT + ifnull(b.DRAW_AMT, 0),
                  @ALL_DRAW_AMT := b.DRAW_AMT) AS ALL_DRAW_AMT,
               IF(@REGI_CH = d.REGI_CH and @TRAN_CH = d.TRAN_CH,
                  @rank := @rank + 1,
                  @rank := 1) AS rank,
               @REGI_CH := d.REGI_CH,
               @TRAN_CH := d.TRAN_CH
          FROM (select dateid, REGI_CH, TRAN_CH
                  from (select d.dateid, REGI_CH, TRAN_CH, TRAN_DT
                          from (select TRAN_DT,
                                       REGI_CH,
                                       TRAN_CH,
                                       IF(@REGI_CH = b.REGI_CH and
                                          @TRAN_CH = b.TRAN_CH,
                                          @rank := @rank + 1,
                                          @rank := 1) AS rank,
                                       @REGI_CH := b.REGI_CH,
                                       @TRAN_CH := b.TRAN_CH
                                  FROM (select TRANDT    TRAN_DT,
                                               u.REGI_CH,
                                               TRANCH    TRAN_CH
                                          from ods_bd_withdraw t
                                          join ods_bd_user_person u
                                            on u.member_cd = t.member_cd
                                         where trandt > ‘20150515‘
                                           and trandt < ‘${trandate}‘ 
                                         group by trandt, u.REGI_CH, TRANCH
                                         order by u.REGI_CH, TRANCH, trandt) b,
                                       (SELECT @REGI_CH := NULL,
                                               @TRAN_CH := null,
                                               @rank    := 0) c
                                having rank = 1) n
                          join dim_date d
                            on 1 = 1
                         where d.dateid > ‘20150515‘
                           and d.dateid < ‘${trandate}‘ ) f
                 where f.TRAN_DT <= dateid
                 order by REGI_CH, TRAN_CH, dateid) d
          left join (select TRANDT TRAN_DT,
                           u.REGI_CH,
                           TRANCH TRAN_CH,
                           count(*) DRAW_CT,
                           sum(TRANAM) DRAW_AMT
                      from ods_bd_withdraw t
                      join ods_bd_user_person u
                        on u.member_cd = t.member_cd
                     where trandt > ‘20150515‘
                       and trandt < ‘${trandate}‘ 
                     group by trandt, u.REGI_CH, TRANCH
                     order by u.REGI_CH, TRANCH, trandt) b
            on b.TRAN_DT = d.DateID
           and d.REGI_CH = b.REGI_CH
           and d.TRAN_CH = b.TRAN_CH
          join (SELECT @rownum       := 0,
                      @REGI_CH      := NULL,
                      @TRAN_CH      := null,
                      @ALL_DRAW_CT  := 0,
                      @ALL_DRAW_AMT := 0,
                      @rank         := 0) c
            on 1 = 1
         order by dateid) t