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Status Delivered
Workspace Db2 for z/OS
Created by Guest
Created on May 16, 2019

Officially support the ability to set which version of a REST service is the default one

Db2 REST services, with versioning enabled, sets the first service created via the BIND SERVICE command to be the default service.  There is no official way to change which version of a service is the default one.  It seems possible to set the default service by manipulating the rows in DSNSERVICE but this is unsupported and done at the users' own risk.

I would like IBM to provide an official way to set which version of a REST service is the default one, so we can forcibly migrate REST service users to later, er, versions if/when the service is changed.

Needed by Date Dec 25, 2019
  • Admin
    Janet Figone
    Reply
    |
    Jul 31, 2021

    Hi Raymond, Great! And yes, I will pass on your thanks to our team.


  • Guest
    Reply
    |
    Jul 30, 2021

    Hi Janet,


    Thanks for the confirmation - and for the correct APAR number. I see UI75327 is mentioned and it came out a month or so ago. I'll get onto our Sprogs and check it out ASAP.


    Please pass on my thanks to R&D. Most appreciated.


    Cheers,


    Raymond

  • Admin
    Janet Figone
    Reply
    |
    Jul 29, 2021

    Brian, Raymond, You are absolutely correct. Apologies for providing the wrong APAR number above.

    Here is the correct APAR information:

    PH34544: NEW FUNCTION UPDATE OF DB2 NATIVE RESTFUL SERVICES SUPPORT

    ****************************************************************
    * USERS AFFECTED: *
    * All users of Db2 for z/OS native RESTful *
    * services support. *
    ****************************************************************
    * PROBLEM DESCRIPTION: *
    * This APAR provides an update to Db2 *
    * native RESTful services that will *
    * allow users to modify the service *
    * version to be used as the *
    * "default service version" for a *
    * Db2 native REST service. *
    ****************************************************************
  • Guest
    Reply
    |
    Jul 29, 2021

    I agree with Raymond. The APAR does not seem correct. It is not related to REST services. Can you update this AHA?


    thanks

    Brian


  • Guest
    Reply
    |
    Jul 1, 2021

    Janet, hi. I'm confused. PH30978 is about use of FTBs, came out a month after I raised this Aha and doesn't mention REST services at all. Are you sure this is The One?


    Cheers,


    Raymond

  • Admin
    Janet Figone
    Reply
    |
    Jun 30, 2021

    We are pleased to inform you this Idea has been delivered in APAR PH30978.

  • Guest
    Reply
    |
    Apr 9, 2021

    There are additional benefits to allowing setting an explicit version to the default:

    • The default service may not be freed. If I deploy multiple versions I would like to clean up old versions that are no longer in use.

    • As with the original justification, say, I have 20 versions of a service. V1 is the default because it is the first one created. I support multiple versions of the same rest interface, and V18 through V20 is active. I have since freed V2 through V17 because they will produce incorrect results. The user invoked the URL without specifying the version and by default will invoke V1 which will produce incorrect results.

    • Similar to the above example, we would publish the URL without the version. Developers invoke the rest service without the version in the URL. I could deploy a new version V21 and allow a pilot group to invoke that service until we are ready to roll it out to the entire user population, at which time we would set V21 as the default.

  • Guest
    Reply
    |
    Jan 26, 2021

    does IBM have an update on this reasonable RFE?