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IBM Data and AI Ideas Portal for Customers


This portal is to open public enhancement requests against products and services offered by the IBM Data & AI organization. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Status Submitted
Workspace Cloud Pak for Data
Components DataStage
Created by Guest
Created on Jun 18, 2024

Improve the functionality of the Join stage

Currently when doing a join in DataStage and tyring to achieve the same as e.g. a between in a SQL join, you either have to use the Lookup stage (which has other limitations, is not well documented (according to documentation, the Lookup stage does not require sorted data, which is not true for a Range Lookup) and not easy to correctly add manuall partitioning, or do a join on the key only and afterwards in a Transformer Stage filter for a between or Greater/Lesser condition.

In my opinion the Join Stage should be improved to be able to not only have Equal conditions, but also Greater [Equal], Lesser [Equal] and Between, enabling to code the same functionality as in a SQL join. The TETL and ELT functionaliyt would also benefit from this.

Needed By Not sure -- Just thought it was cool