KNOWLEDGE BASE

Sampled Data is Showed Despite Selecting "Use all Data" in Tableau Prep


Published: 10 Feb 2020
Last Modified Date: 21 Jul 2020

Issue

When selecting the "Use all Data" option for a data source in Tableau Prep, the data is showed as sampled in the flow regardless.

In other words, you may notice the following scenarios: 

  • Previewing cleaned steps shows the data as being sampled and limit to 275K rows, regardless if "Use All Data" is selected. 
  • The output will still utilize all the data, but the preview window will show "Sampled" where all data should be available in the preview.

Environment

Tableau Prep 2019.4.2, 2020.1.1

Resolution

Upgrade Tableau Prep Builder to 2020.2.1 or later.
 

Cause

This is related to a known issue which has been addressed in a more recent version of the product.
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