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Status Future consideration
Workspace IBM i
Categories Db2 for i
Created by Guest
Created on Aug 15, 2022

Improve performance of REGEXP_xxx SQL functions

The REGEXP_SUBSTR and related SQL Regular Expression functions a great, but rely on external interfaces. The request is to figure out a way to make them perform better regardless of them being based on the eternal ICU library. In one-off situations they perform good enough, however when you compound them into processing several hundreds of thousands of result set rows, the fall down and make the performance horrible, and thus un-usable. In the old days we'd advocate for moving REGEX down into the MI level. So that is this request. Please make REGEXP run faster.
Idea priority Medium
  • Admin
    Sabine Jordan
    Sep 23, 2022

    The CEAC has reviewed this requirement and recommends that IBM view this as a HIGH priority requirement that is important to address.

    Background: The COMMON Europe Advisory Council (CEAC) members have a broad range of experience in working with small and medium-sized IBM i customers. CEAC has a crucial role in working with IBM i development to help assess the value and impact of individual RFEs on the broader IBM i community and has therefore reviewed your RFE.

    To find out how CEAC help to shape the future of IBM i, see CEAC @ ibm.biz/BdYSYj and the article "The Five Hottest IBM i RFEs Of The Quarter" at ibm.biz/BdYSZT

    Sabine Jordan + Sara Anrdres – CEAC Program Manager, IBM

  • Guest
    Sep 13, 2022
    IBM will use this Idea as input to planning, but no commitment is made or implied. This Idea will be updated in the future if IBM implements it.