New File Not Automatically Added to Wildcard Union

Published: 10 May 2018
Last Modified Date: 25 Aug 2020


You add a new file to the folder used for a wildcard union, but it is not included in the wildcard union. 


  • Tableau Prep


Option 1:

Upgrade to Tableau Prep 2018.3.3 or a newer version. Click here for downloads of Tableau Prep: Tableau Prep Downloads and Release Notes. For more information on current releases, see Install Tableau Prep and Prep Upgrade. This will add the new files in Union upon reopening the flow file

Option 2:

Right-click the input node and select Refresh.



The ability to automatically recognize a new file added to a wildcard union was added in Tableau Prep 2018.3.3.
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