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ora-01407 cannot update to null

Vemula MuniAug 26 2019 — edited Sep 20 2019

Source table Data : ps_cts_iqn_empl_wo

EMPLIDWork_order_IdProject_IdStart_DtEnd_DtStandard_RateCTS_WO_OT_RATEVendor_ID
5707161245653011-Aug-1931-Aug-19101545621
5707161245253011-Aug-1931-Aug-19141545621
5707171245121010-AUG-1913-AUG-19151843221
5707171245051015-JUL-1928-JUL-19151843221
5707181245151015-Aug-1928-Aug-19151843221

Target Table :

EMPLIDProject_Idreport_due_dateWork_order_IdWO_End_DtWO_Standard_RateWO_OT_RateVendor_id
57071653014-Aug-19
57071653013-Aug-19
57071751014-Aug-19

Required Output :

case 1 :

----------

When employee id and project id matched and  report_due_date falls between start_dt and end_dt. and more than one row present for this combination then i need to update max(work_order_id) row values in target.

Case 2 :

-------

When employee id and project id matched and  report_due_date not falls between start_dt and end_dt. i need to fetch a maximum work_order_id row and Work_order_Id end_dt should be less than report_due_date.

EMPLIDProject_Idreport_due_dateWork_order_IdEnd_DtStandard_RateCTS_WO_OT_RATE            Vendor_id
57071653014-Aug-191245631-Aug-19101545621
57071653013-Aug-191245631-Aug-19101545621
57071751014-Aug-191245113-Aug-19151843221

CREATE TABLE ps_cts_iqn_empl_wo (EMPLID VARCHAR2(11) NOT NULL,
   WORK_ORDER_ID VARCHAR2(15) NOT NULL,
   PROJECT_ID VARCHAR2(15) NOT NULL,
   START_DT DATE,
   END_DT DATE,
   STANDARD_RATE DECIMAL(15, 2)  NULL,
   CTS_WO_OT_RATE DECIMAL(15, 2)  NULL,
   VENDOR_ID VARCHAR2(10)  NULL) ;
   
   
 Insert into ps_cts_iqn_empl_wo (EMPLID,WORK_ORDER_ID,PROJECT_ID,START_DT,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570716','12456','530',to_date('11-AUG-2019','DD-MON-YYYY'),to_date('31-AUG-2019','DD-MON-YYYY'),10,15,'45621');   
  Insert into ps_cts_iqn_empl_wo (EMPLID,WORK_ORDER_ID,PROJECT_ID,START_DT,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570716','12452','530',to_date('11-AUG-2019','DD-MON-YYYY'),to_date('31-AUG-2019','DD-MON-YYYY'),14,15,'45621');
 Insert into ps_cts_iqn_empl_wo (EMPLID,WORK_ORDER_ID,PROJECT_ID,START_DT,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570717','12451','510',to_date('10-AUG-2019','DD-MON-YYYY'),to_date('13-AUG-2019','DD-MON-YYYY'),15,18,'43221');  
 Insert into ps_cts_iqn_empl_wo (EMPLID,WORK_ORDER_ID,PROJECT_ID,START_DT,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570717','12450','510',to_date('15-JUL-2019','DD-MON-YYYY'),to_date('28-JUL-2019','DD-MON-YYYY'),15,18,'43221');  
 Insert into ps_cts_iqn_empl_wo (EMPLID,WORK_ORDER_ID,PROJECT_ID,START_DT,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570718','12451','510',to_date('15-AUG-2019','DD-MON-YYYY'),to_date('28-AUG-2019','DD-MON-YYYY'),15,18,'43221');  
   
   
CREATE TABLE PS_CT_IQN_ACC_STG (EMPLID VARCHAR2(11) NOT NULL,
   PROJECT_ID VARCHAR2(15) NOT NULL,
   REPORT_DUE_DATE DATE,
   WORK_ORDER_ID VARCHAR2(15)  NULL,
   END_DT DATE,
   STANDARD_RATE DECIMAL(15, 2)  NULL,
   CTS_WO_OT_RATE DECIMAL(15, 2)  NULL,
   VENDOR_ID VARCHAR2(10)  NULL) 
Insert into PS_CT_IQN_ACC_STG (EMPLID,PROJECT_ID,REPORT_DUE_DATE,WORK_ORDER_ID,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570716','530',to_date('14-AUG-2019','DD-MON-YYYY'),null,null,null,null,null);
Insert into PS_CT_IQN_ACC_STG (EMPLID,PROJECT_ID,REPORT_DUE_DATE,WORK_ORDER_ID,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570716','530',to_date('13-AUG-2019','DD-MON-YYYY'),null,null,null,null,null); 
Insert into PS_CT_IQN_ACC_STG (EMPLID,PROJECT_ID,REPORT_DUE_DATE,WORK_ORDER_ID,END_DT,STANDARD_RATE,CTS_WO_OT_RATE,VENDOR_ID) values ('570717','510',to_date('14-AUG-2019','DD-MON-YYYY'),null,null,null,null,null);

Query

UPDATE PS_CT_IQN_ACC_STG stg

   SET (Work_order_Id,End_Dt,Standard_Rate,CTS_WO_OT_Rate,Vendor_id) = (select Work_order_Id,End_Dt,Standard_Rate,CTS_WO_OT_RATE,Vendor_ID from ps_cts_iqn_empl_wo WO1

where WO1.Work_order_Id= (select max(Work_order_Id) from ps_cts_iqn_empl_wo WO where WO.EMPLID = STG.EMPLID

   AND WO.project_id  = STG.project_id  and stg.report_due_date between WO.start_dt and WO.end_dt  ))

Message was edited by: Vemula Muni
This post has been answered by Frank Kulash on Aug 26 2019
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Added on Aug 26 2019
#sql-pl-sql
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