KNOWLEDGE BASE

Tableau Prep Flow Using Multiple Flat Files Does Not Complete


Published: 16 Apr 2018
Last Modified Date: 21 Oct 2022

Issue

When running a Tableau Prep flow that involves multiple flat files, the flow might take a very long time to complete, or fail to complete. 

Environment

  • Tableau Prep Builder

Resolution

Ensure that all the flat files included in your Tableau Prep flow use the same file encoding, character set, and delimiters.

Cause

When using flat files with Tableau Prep, all files must match on the following variables:
  • File encoding (UTF-8, UTF-16, etc)
  • Character set
  • Delimiters
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