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Posted to dev@drill.apache.org by GitBox <gi...@apache.org> on 2019/04/02 21:47:50 UTC

[GitHub] [drill] amansinha100 opened a new pull request #1730: DRILL-7152: During histogram creation handle the case when all values…

amansinha100 opened a new pull request #1730: DRILL-7152: During histogram creation handle the case when all values…
URL: https://github.com/apache/drill/pull/1730
 
 
   … of a column are NULLs.
   
   Please see [DRILL-7152](https://issues.apache.org/jira/browse/DRILL-7152) for a description of the issue.  It was caused because all the column's values are NULLs and the t-digest code-gen functions tried to generate an output for an empty t-digest since it does not store any NULL values.  The fix is to check the t-digest size() first before trying to create the output. 

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