GitHub user dongjoon-hyun opened a pull request:
https://github.com/apache/spark/pull/13902
[SPARK-16173] [SQL] Can't join describe() of DataFrame in Scala 2.10
## What changes were proposed in this pull request?
This PR fixes `DataFrame.describe()` by forcing materialization to make the
`Seq` serializable. Currently, `describe()` of `DataFrame` throws `Task not
serializable` Spark exceptions when joining in Scala 2.10.
## How was this patch tested?
Manual. (After building with Scala 2.10, test on bin/spark-shell and
bin/pyspark.)
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/dongjoon-hyun/spark SPARK-16173-branch-1.6
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13902.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 #13902
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commit f114f08a628b98f7e713c692fa4f7d4c10d253c0
Author: Dongjoon Hyun <[email protected]>
Date: 2016-06-25T01:50:29Z
[SPARK-16173] [SQL] Can't join describe() of DataFrame in Scala 2.10
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