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Status Not under consideration
Workspace IMS Database Manager
Categories Open Access DB
Created by Guest
Created on May 4, 2020

RELATED IDEAS

Retrieve multiple IMS segments in a single JDBC Call to reduce network trips.

getUniqueDBRecord JDBC call which is able to get a root and multiple children segment types.

GetUniqueDBRecord with
[String: segment, String: parent, String: ssa, integer: limit, …]

getUniqueDBRecord(
[“ROOT”, “”, ssaRoot, 1,
“KID1”, “ROOT”, “”, 1,
“KID11”, “KID1”, “”, 0, // all of KID11
“KID3”, “ROOT”, “”, 1,
“KID2”, “ROOT”, ssaKid2, 0]
)


The above call gets a specific ROOT segment per ssaRoot.

It gets the first occurrence of the child segment named KID1. no Filtering ssa is provided

It gets all occurrences of KID11 which is a child of KID1. No filtering ssa is provided

It gets the first occurrence of KID3. no filtering ssa provided.

It gets all occurrences of KID2 (child of the ROOT) that match the filter list provided by ssaKid2.

With the exception Root SSA, the SSAs are used to to filter the final result set. Treat each hierarchic leg as if FIRST had been coded when collecting the kids.

Idea priority High
  • Guest
    Reply
    |     Aug 24, 2022
    #publish

    Thank you for your interest in keeping IMS a vital and successful product. Software development has continuously evolved during IMS's lifetime, and so has IMS itself. We have kept pace with, adopted, and implemented many industry standard best practices within our organization, including Continuous Delivery, Design Thinking, and Agile.

    When choosing new features to add from the list of requirements in our backlog, we assess which will bring the most value to as many clients as possible and prioritize those.

    At this time, after further review this request for enhancement, we have decided to reject it. The reason we are rejecting the Idea IMSDB-I-104 is because we do not have enough customer interest and priority to get to this item for the past 18 months. We value the required requirement and we will keep consider if priority changed.

    If you have any further question, please contact us.

    Thank you for your continued support with IMS.

    Haley Fung
    IMS Product Manager
    hfung@us.ibm.com
  • Guest
    Reply
    |     Sep 20, 2020

    Thank you for your interest in keeping IMS a vital and successful product. Software development has continuously evolved during IMS's lifetime, and so has IMS itself. We have kept pace with, adopted, and implemented many industry standard best practices within our organization, including Continuous Delivery, Design Thinking, and Agile.

    When choosing new features to add from the list of requirements in our backlog, we assess which will bring the most value to as many clients as possible and prioritize those.

    After reviewing this request for enhancement and assessing its potential value, our decision is to add this item to our backlog. Items in our backlog are expected to be delivered within the next 18 months. We reserve the right to re-prioritize our backlog items as new requests come in. This helps ensure that we are constantly focused on providing the best value to all of our clients.


    Have a great day!
    Haley Fung - hfung@us.ibm.com

  • Guest
    Reply
    |     May 12, 2020

    On the "assume that FIRST is on each hierarchic leg", I want to explain how I think of FIRST. I think of FIRST as.. Starting with the first segment of the specific typ, scan the twin chain until a segment that matches the SSA is found. This is normal IMS logic.

    For the getUnqiueDBRecord, ODBM would scan all of the segments of that type (starting with the first one) filtering on the SSA until GE or the max-number to return is reached.

    Regarding the max number to return: I should have included a resume SSA as part of the interface. There would be 2 SSAs for a resume call. The resume or Starting SSA and the filtering SSA.

  • Guest
    Reply
    |     May 4, 2020

    Attachment (Use case): more details on how to use getUniqueDBRecord

    getUniqueDBRec.rtf
    getUniqueDBRec.rtf
     getUniqueDBRec.rtf
    Open full size
    getUniqueDBRec.rtf

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