我正在创建一个查询,以查找date_to为'31 -dec-4712'(最新)的员工的薪水详细信息。但是,如果date_to是雇员的两行的31-dec-4712,则在其他情况下,当只有一行进入时,应选择状态为“已批准”的行,则应按原样返回。
我创建了以下查询薪水明细。在上述情况下需要帮助
select distinct PAPF.EMPLOYEE_NUMBER ,
TO_CHAR (EMP_DOJ (PAPF.PERSON_ID),'DD-MON-YYYY' ) DOJ ,
TO_CHAR(HR_EMPLOYEE_ORIGINAL_DOJ(PAPF.EMPLOYEE_NUMBER,42) ,'DD- MON-YYYY' ) ORIGINAL_DOJ,
PPP.CHANGE_DATE,
PPP.DATE_TO,
PPP.PROPOSED_SALARY_N TOTAL_REMUN,
HR_GENERAL.DECODE_LOOKUP('PER_SAL_PROPOSAL_STATUS',APPROVED) status
from PER_ALL_ASSIGNMENTS_F PAAF,
PER_ALL_PEOPLE_F PAPF,
PER_PAY_PROPOSALS PPP
where 1 = 1
and PAPF.PERSON_ID = PAAF.PERSON_ID
and PAPF.BUSINESS_GROUP_ID = 21
and PAPF.CURRENT_EMPLOYEE_FLAG = 'Y'
and papf.employee_number = '109575'
and :P_DATE1 between PAAF.EFFECTIVE_START_DATE
and PAAF.EFFECTIVE_END_DATE
and :P_DATE1 between PAPF.EFFECTIVE_START_DATE
and PAPF.EFFECTIVE_END_DATE
and :P_DATE1 between PPP.CHANGE_DATE(+)
and NVL(PPP.DATE_TO, HR_GENERAL.END_OF_TIME)
and PPP.ASSIGNMENT_ID(+) = PAAF.ASSIGNMENT_ID
order by TO_NUMBER(PAPF.EMPLOYEE_NUMBER);
Emp_num DOJ ORIGINAL_DOJ CHANGE_DATE DATE_TO TOTAL_REMUN STATUS
109575 01-DEC-2016 24-JUL-2014 01-MAY-19 31-DEC-12 250000 Proposed
109575 01-DEC-2016 24-JUL-2014 01-APR-19 31-DEC-12 100000 Approved
您可以分别为每个员工使用条件排序,如下所示:
-- sample rows
with salaries (emp_id, name, salary, date_to, status) as (
select 1001, 'Orange', 1400, date '4712-12-31', 'Rejected' from dual union all
select 1001, 'Orange', 1200, date '4712-12-31', 'Approved' from dual union all
select 1002, 'Red', 2500, date '4712-12-31', 'Approved' from dual union all
select 1003, 'Blue', 2700, date '4712-12-31', 'Proposed' from dual union all
select 1004, 'Green', 2200, date '2012-07-31', 'Approved' from dual union all
select 1005, 'White', 1200, date '4712-12-31', 'Approved' from dual union all
select 1005, 'White', 1300, date '4712-12-31', 'Rejected' from dual )
-- end of sample data
select emp_id, name, salary, date_to, status
from (
select s.*,
row_number() over (partition by emp_id
order by case status when 'Approved' then 1 end) rn
from salaries s
where date_to = date '4712-12-31')
where rn = 1
结果:
EMP_ID NAME SALARY DATE_TO STATUS
---------- ------ ---------- ----------- --------
1001 Orange 1200 4712-12-31 Approved
1002 Red 2500 4712-12-31 Approved
1003 Blue 2700 4712-12-31 Proposed
1005 White 1200 4712-12-31 Approved
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