GitHub user ueshin opened a pull request:
https://github.com/apache/spark/pull/862
[SPARK-1915] [SQL] AverageFunction should not count if the evaluated value
is null.
Average values are difference between the calculation is done partially or
not partially.
Because `AverageFunction` (in not-partially calculation) counts even if the
evaluated value is null.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ueshin/apache-spark issues/SPARK-1915
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/862.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 #862
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commit b1ff3c08a2ec77a829b46611fbe3aa68fef5e4e1
Author: Takuya UESHIN <[email protected]>
Date: 2014-05-23T11:16:54Z
Modify AverageFunction not to count if the evaluated value is null.
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