KNOWLEDGE BASE

Tableau Desktop Truncates Cloudera Table Names


Published: 09 Sep 2016
Last Modified Date: 07 Jul 2017

Issue

When connecting to Cloudera Hadoop Impala with Tableau Desktop versions 9.0 and higher, the table names are truncated to a maximum of 18 characters.

Environment

  • Tableau Desktop 9.0 and higher
  • Cloudera Hadoop Impala

Cause

The Impala connection code sets the character length to 18, which is currently under investigation to see if it can be changed since we do not have the same character restriction for other data sources. Impala itself sets a maximum character length for tables to 128.

This behavior is related to a known defect (ID: 557546) that has been fixed in the following releases of Tableau Desktop: 10.0.3, 9.3.9 and 9.2.14.
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