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Performance Issues with Tableau Desktop When a Workbook Contains a Large Number of CASE Expressions


Published: 18 May 2018
Last Modified Date: 18 May 2018

Issue

If a workbook is using a large number of CASE expressions when using a Hyper extract, poor performances may be experienced.

In comparison, when opening the same workbook, you could notice that Tableau Desktop 10.4 could be up to 5 times faster than Tableau Desktop 10.5.

Environment

Tableau Desktop 10.5.0, 10.5.1, 10.5.2, 10.5.3

Cause

This behavior is related to a known issue (ID: 754121) which has been fixed in a recent release of Tableau Desktop. 
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