[jira] [Commented] (SPARK-1938) ApproxCountDistinctMergeFunction should return Int value.

[Takuya Ueshin (JIRA)]

    [ 
https://issues.apache.org/jira/browse/SPARK-1938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14009555#comment-14009555
 ] 

Takuya Ueshin commented on SPARK-1938:
--------------------------------------

PRed: https://github.com/apache/spark/pull/893

> ApproxCountDistinctMergeFunction should return Int value.
> ---------------------------------------------------------
>
>                 Key: SPARK-1938
>                 URL: https://issues.apache.org/jira/browse/SPARK-1938
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>            Reporter: Takuya Ueshin
>
> {{ApproxCountDistinctMergeFunction}} should return {{Int}} value because the 
> {{dataType}} of {{ApproxCountDistinct}} is {{IntegerType}}.



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