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  • 15. Re: Dynamically assign values to different ROWTYPE-Columns by ruletable
    Mike Kutz Expert
    Currently Being Moderated

    seggione wrote:


    3. So we need to check if:

    1. Is there data in column xy the "source"-table? -> Use this source / value
    2. Is there a default-value in column xy for this specific customer provided? -> Use this source / value
    3. No initial source or no customer-based default declared? -> Use general default



    This would be the COALESCE() command.


    Also, your 'customer_defaults' table needs to be in a WIDE format.


    create table customer_defaults (

      customer_id int primary key

    ,table1_column1 varchar2(1)

    ,table1_column3 number

    ,table1_column5 varchar2(3)

    -- etc



    This way you can:

    insert into PO_LINEITEMS ( column1 -- etc )

    select coalesce( ST.column1, CD.table1_column1, MyConstants.table1_column1_default ) as COLUMN1

      -- etc

    from staging_table ST

      join PO P on (/* what ever makes a PO unique within the staging table

                              New POs were bulk-created in a prior step


      left outer join customer_defaults CD on (ST.customer_id=CD.customer_id);

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