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Data Is Displayed As "Null" If The Field Name Exceeds 20 Double Byte Characters


Published: 05 Apr 2018
Last Modified Date: 18 May 2018

Issue

When connected to Amazon Redshift, data displayed as null if the field name exceeds 20 double byte characters.

Environment

  • Tableau Desktop
  • Amazon Redshift

Resolution

Option 1

Upgrade to Tableau Desktop 2018.1.1, 10.5.4 or a later version. For more information, see Upgrading Tableau Desktop in Tableau Help.

Option 2

As a workaround, shorten the field name on Redshift not exceeding 20 double byte characters.

Cause

This behavior is related to a known issue (ID: 742817) which has been fixed in a recent release of Tableau Desktop. 
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