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Status Future consideration
Workspace Optim
Components Optim Archive
Created by Guest
Created on Jul 8, 2019

Run SQL queries having joins on the tables

We use the Relational Archive Facility in IBM's InfoSphere Optim z/OS Solution to archive and then purge the data. We have created Access Definitions (AD) and each AD has a set of tables with SQL WHERE clause for some of them for extracting the data. Optim doesn't have the capability to run a SQL query with joins between multiple tables. It can only extract data from one table with condition defined in the WHERE clause

 

Our business requirement is to run a SQL query like this to extract the data from the driving table in an Access Definition (AD).

(SELECT * FROM
LPAHCA.PAYMASTR PAY
INNER JOIN
LPAHCA.PAEMPLOYEE PAE ON
PAE.COMPANY = PAY.COMPANY AND
PAE.EMPLOYEE = PAY.EMPLOYEE
LEFT OUTER JOIN
LPARFO.LEGALHOLD LEG ON
STRIP(PAE.COMP_NBR,"B") = STRIP(LEG.COMP_NBR,"B")
WHERE YEAR(PAY.CHECK_DATE) = 2008 AND
LEG.COMP_NBR IS NULL);

We can't do that right now Optim.

Needed by Date Aug 5, 2019
  • Admin
    Peter Costigan
    Reply
    |
    Jan 7, 2021

    Hi, sorry I didn't see your question from October sooner!!!

    About Greg Czaja: he remains a developer on Optim for z/OS. His management may discourage him from talking directly with customers but he is extremely knowledgeable and if he can reply to you I know he will have useful info. I mention ABMartin and Estuate because they are the "official" channel for such questions.

    About your question about Archive Actions for Optim for z/OS: Here is that page: https://www.ibm.com/support/knowledgecenter/SSC6CA_11.3.0/com.ibm.nex.optimz.common.doc/AccessDefs/opzcommon-r-archive_actions.html

    You would want to use the archive action for before the first row is processed on the Optim Start Table. You can run a query like the SQL JOIN you included in this question, and put the results into the Start Table (INSERT INTO START_TABLE VALUES (your query here)).

  • Guest
    Reply
    |
    Jan 7, 2021

    Peter,

    The link you provided is for archiving data with Optim on distributed platforms. We use Optim on z/OS.

    Which panel (of the tool on z/OS) has archive actions?

  • Guest
    Reply
    |
    Oct 16, 2020

    Peter,

    Thanks for the link.

    Reg Optim support, I got support from Greg Czaja from Unicom for last couple of years.
    Has the Optim support model changed now and I need to contact someone from ABMartin and Estuate but not Greg from Unicom?

  • Admin
    Peter Costigan
    Reply
    |
    Oct 16, 2020

    Hi, you can Google "Optim Archive Actions". Here is my top hit! :-)

    https://www.ibm.com/support/knowledgecenter/SSMLNW_11.3.0/com.ibm.nex.optimd.common.doc/04acdefs/opcommon-r-archive_actions_tab.html

    Also we have business partners like ABMartin and Estuate who can help, if you want a more formal relationship or engagement.

  • Guest
    Reply
    |
    Oct 15, 2020

    Peter, where can I find more details about Optim Archive Action?

  • Admin
    Peter Costigan
    Reply
    |
    Oct 15, 2020

    You can run a query like this in an Optim Archive Action. It can run before other processing starts in the Archive. If the query is an INSERT (placing the results into a table holding those current results) and the INSERTed table is the start table, this will work fine.

    We will consider making this an easier to use part of Optim in future. But the point of the above is, you can do this today, fully automated, as a part of an Optim Archive.