Question

我正在尝试使用来自oracle的数据进行S曲线分析，该数据跨越指定的日期范围，

我的查询看起来像这样，

    SELECT LEVEL WEEK_NUM_INCR,
           TO_CHAR (start_date + (LEVEL - 1) * 7, 'WW') WEEK_POSITION,
           /* WEEK POSITION FOR THE WHOLE YEAR */
           TO_CHAR (start_date + (LEVEL - 1) * 7, 'MM/DD/YYYY') START_WEEK_DATE,
           TO_CHAR (start_date + (LEVEL) * 7, 'MM/DD/YYYY') END_WEEK_DATE,
           (SELECT SUM (ONSITE_UPD_QTY)
              FROM DTL_ERC_UPD@WELTES_SITEMON_LINK
             WHERE     UPD_DATE BETWEEN RS.start_date AND RS.end_date
                   AND PROJECT_NAME IN (SELECT PROJECT_NAME
                                          FROM PROJECT
                                         WHERE PROJECT_NO = RS.JOB_NAME))
              ONSITEQTY
      FROM (SELECT PS.PROJECT_START_DT start_date,
                   PS.JOB_NAME JOB_NAME,
                   PS.PROJECT_END_DT end_date
              FROM PROJECT_SPAN PS
             WHERE PS.JOB_NAME = 'W-14026') RS
CONNECT BY start_date + (LEVEL - 1) * 7 < end_date;

所以在PROJECT_SPAN表中，内容是，

PROJECT_START_DT PROJECT_END_DT JOB_NAME
1/1/2015         2/1/2015       W-14026

在DTL_ERC_UPD @ WELTES_SITEMON_LINK上，内容为，

PROJECT_NAME   UPD_DATE              ONSITE_UPD_QTY
---------------------------------------------------
SMSMILLHOUSE   2/5/2015 12:00:01 AM  2
SMSSUGARWHOUSE 2/5/2015 12:00:01 AM  2
SMSMILLHOUSE   2/4/2015 12:00:01 AM  4
SMSMILLHOUSE   2/4/2015 12:00:01 AM  6
IGGMILLHOUSE   2/4/2015 12:00:01 AM  4
IGGMILLHOUSE   2/4/2015 12:00:01 AM  6

因此，连接表是包含

的PROJECT

PROJECT_NO PROJECT_NAME
-----------------------
W-14026    SMSMILLHOUSE
W-14026    SMSSUGARWHOUSE

当我查询sql时我只得到这个

WEEK_NUM_INCR   WEEK_POSITION   START_WEEK_DATE END_WEEK_DATE   ONSITEQTY
1.00            01              01/01/2015      01/08/2015  
2.00            02              01/08/2015      01/15/2015  
3.00            03              01/15/2015      01/22/2015  
4.00            04              01/22/2015      01/29/2015  
5.00            05              01/29/2015      02/05/2015

预期输出

WEEK_NUM_INCR   WEEK_POSITION   START_WEEK_DATE END_WEEK_DATE   ONSITEQTY
    1.00            01              01/01/2015      01/08/2015  0
    2.00            02              01/08/2015      01/15/2015  0
    3.00            03              01/15/2015      01/22/2015  0
    4.00            04              01/22/2015      01/29/2015  0
    5.00            05              01/29/2015      02/05/2015  14

请帮助我，我的查询缺少什么？

非常感谢

Answer 1

为什么你认为WEEK_NUM_INCR = 5时ONSITEQTY为14？

DTL_ERC_UPD包含2月4日的两行和第5行的两行（由于PROJECT_NAME限制，其余两行不适合）。

PROJECT_SPAN中的

START_DATE 和 END_DATE 仅包括1月 - 没有适合“介于”条件的行。您似乎期望DTL_ERC_UPD在 START_WEEK_DATE 和 END_WEEK_DATE 之间受到限制。如果是这种情况，那么您需要将查询换一个以下选择：

with PROJECT as (
  select 'W-14026' as PROJECT_NO, 'SMSMILLHOUSE' as PROJECT_NAME from dual union all
  select 'W-14026', 'SMSSUGARWHOUSE' from dual
),
DTL_ERC_UPD as (
  select 'SMSMILLHOUSE' as PROJECT_NAME, to_date( '2/5/2015 12:00:01 AM', 'mm/dd/yyyy hh:mi:ss AM' ) as UPD_DATE, 2 as ONSITE_UPD_QTY from dual union all
  select 'SMSSUGARWHOUSE', to_date( '2/5/2015 12:00:01 AM', 'mm/dd/yyyy hh:mi:ss AM' ), 2 from dual union all
  select 'SMSMILLHOUSE', to_date( '2/4/2015 12:00:01 AM', 'mm/dd/yyyy hh:mi:ss AM' ), 4 from dual union all
  select 'SMSMILLHOUSE', to_date( '2/4/2015 12:00:01 AM', 'mm/dd/yyyy hh:mi:ss AM' ), 6 from dual union all
  select 'IGGMILLHOUSE', to_date( '2/4/2015 12:00:01 AM', 'mm/dd/yyyy hh:mi:ss AM' ), 4 from dual union all
  select 'IGGMILLHOUSE', to_date( '2/4/2015 12:00:01 AM', 'mm/dd/yyyy hh:mi:ss AM' ), 6 from dual
),
PROJECT_SPAN as (
  select to_date( '1/1/2015', 'mm/dd/yyyy' ) as PROJECT_START_DT, to_date( '2/1/2015', 'mm/dd/yyyy' ) as PROJECT_END_DT, 'W-14026' as JOB_NAME from dual
)
select WEEK_NUM_INCR,
       TO_CHAR (START_WEEK_DATE, 'WW') WEEK_POSITION,
       /* WEEK POSITION FOR THE WHOLE YEAR */
       TO_CHAR (START_WEEK_DATE, 'MM/DD/YYYY') START_WEEK_DATE,
       TO_CHAR (END_WEEK_DATE, 'MM/DD/YYYY') END_WEEK_DATE,
       (SELECT SUM (ONSITE_UPD_QTY)
          FROM DTL_ERC_UPD
         WHERE     UPD_DATE BETWEEN rs.START_WEEK_DATE AND rs.END_WEEK_DATE
               AND PROJECT_NAME IN (SELECT PROJECT_NAME
                                      FROM PROJECT
                                     WHERE PROJECT_NO = RS.JOB_NAME)) ONSITEQTY
from ( SELECT LEVEL WEEK_NUM_INCR,
              start_date + (LEVEL - 1) * 7 START_WEEK_DATE,
              start_date + (LEVEL) * 7 END_WEEK_DATE,
              RS.JOB_NAME
       FROM (SELECT PS.PROJECT_START_DT start_date,
                      PS.JOB_NAME JOB_NAME,
                      PS.PROJECT_END_DT end_date
                 FROM PROJECT_SPAN PS
                WHERE PS.JOB_NAME = 'W-14026') RS
       CONNECT BY start_date + (LEVEL - 1) * 7 < end_date ) rs

但无论如何，ONSITEQTY将是10而不是14，因为上周在2月5日00:00:00结束。两行DTL_ERC_UPD的UPD_DATE还有一分钟。它们在上周不合适。

查询S曲线目的的数据

1 个答案: