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Dates compare on specific dates using SORT/JOIN/JCL


IBM Mainframe Forums -> DFSORT/ICETOOL
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balaji81_k

Active User


Joined: 29 Jun 2005
Posts: 141

PostPosted: Thu Jan 24, 2019 12:03 am
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Hi Team,
I need a advise / best optimized solution to pick up and map the date as expected below .

File- F1: - Data pulled from our source table and way it has below date mapping on sales info.

Code:


---------------------------------------------------------------------------
DEPT-NBR   THIS-YR-SALE-DATE LAST-YR SALE-DATE THIS-YR-SALES LAST-YR-SALES 
---------------------------------------------------------------------------
1000       12/23/2019         12/24/2018         100           200
1000       12/24/2019         12/25/2018         200           150
1000       12/25/2019         12/26/2018         800          1000
1000       12/26/2019         12/27/2018         600           500



F2: Seperate input file on date to be compared on special dates with respect to the sales-amount calculation.

Code:


--------------------------------------------------
12/25/2019      12/25/2018
--------------------------------------------------





Output as expected :-


Code:

Output  as expected  :-

---------------------------------------------------------------------------
DEPT-NBR   THIS-YR-SALE-DATE LAST-YR SALE-DATE THIS-YR-SALES LAST-YR-SALES 
---------------------------------------------------------------------------
1000       12/23/2019         12/24/2018         100           200
1000       12/24/2019         12/25/2018         200           150
1000       12/25/2019         12/25/2018         800           150  <---------
1000       12/26/2019         12/27/2018         600           500



As per my knowledge , below is my thought to acheive this .

Join F1 & F2 on This-Year-date and populate date to be compared on file F1 as like below to form file - f3 on last column..

Code:


-------------------------------------------------------------------------------------
DEPT-NBR   THIS-YR-SALE-DATE LAST-YR SALE-DATE THIS-YR-SALES LAST-YR-SALES  SPL-LY-DATE
-------------------------------------------------------------------------------------
1000       12/23/2019         12/24/2018         100           200          12/24/2018
1000       12/24/2019         12/25/2018         200           150          12/25/2018   
1000       12/25/2019         12/26/2018         800          1000          12/25/2018
1000       12/26/2019         12/27/2018         600           500          12/27/2018



FROM F3 form/build the file F4 to pull the columns as like below

Code:

F4:-
-------------------------------------------------------------
DEPT-NBR   LAST-YR-DATE    LAST-YR-SALES
-------------------------------------------------------------
1000       12/24/2018       200
1000       12/25/2018       150
1000       12/26/2018      1000
1000       12/27/2018       500



Join F3 & F4 on Last-year-Date and populate the last year sales on F3 for matching and for non-match retain the as it is.

Please advise is ther any optimized way that we achieve it quite easily.

Thanks
Balaji K
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Arun Raj

Moderator


Joined: 17 Oct 2006
Posts: 2481
Location: @my desk

PostPosted: Thu Jan 24, 2019 10:41 am
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What exactly are you trying to achieve with the date file?

You could JOIN both the inputs on LAST YR and write matched records to create something like this:

Code:
THIS YR         LAST YR       DEPT     LAST-YR-SALES
--------------------------------------------------
12/25/2019      12/25/2018    1000     150
--------------------------------------------------

Then match this with the original input on DEPT, THIS YR (a JOIN UNPAIRED,F1
- F1 being your original input) to get the final result.
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balaji81_k

Active User


Joined: 29 Jun 2005
Posts: 141

PostPosted: Thu Jan 24, 2019 9:53 pm
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Arun Raj wrote:
What exactly are you trying to achieve with the date file?

You could JOIN both the inputs on LAST YR and write matched records to create something like this:

Code:
THIS YR         LAST YR       DEPT     LAST-YR-SALES
--------------------------------------------------
12/25/2019      12/25/2018    1000     150
--------------------------------------------------

Then match this with the original input on DEPT, THIS YR (a JOIN UNPAIRED,F1
- F1 being your original input) to get the final result.


Thanks Arun - I will try this , yes this is what i need. Thanks for reducing the swap process in this .
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