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Status Delivered
Categories Maps & Type Trees
Created by Guest
Created on May 25, 2021

Hashmaps as a storage for reference tables

In TX, a very efficient way to perform a lookup is to use SEARCHUP/SEARCHDOWN, provided the series is properly sorted.


However, the first call is very costly as it need to build the B-Tree to be used for later navigations. This creates a threshold (series size , number of calls) below which it is worse using SEARCHUP than LOOKUP.


If we had a way to generate the data including the B-Tree and then reuse it for later calls, that could make a big difference in terms of performances.

What is your industry? Computer Services
How will this idea be used?

This would help increase performances for each and every map which has an intensive use of lookup functions.


The impact would be greater on maps called many times a day, with only a few lookup/searchup calls for each invocation.

  • Guest
    Nov 18, 2021

    Implemented in ITX Flow Server with new Cache functionality