GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/893
[SPARK-1938] [SQL] ApproxCountDistinctMergeFunction should return Int value.
`ApproxCountDistinctMergeFunction` should return `Int` value because the
`dataType` of `ApproxCountDistinct` is `IntegerType`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-1938
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/893.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #893
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commit fc3ac0f91e26c2069b7544715d21eb8c98a06465
Author: Takuya UESHIN <[email protected]>
Date: 2014-05-27T10:22:33Z
Fix evaluated value type of ApproxCountDistinctMergeFunction to Int.
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