GitHub user hvanhovell opened a pull request:
https://github.com/apache/spark/pull/16466
[SPARK-19070] Clean-up dataset actions
## What changes were proposed in this pull request?
Dataset actions currently spin off a new `Dataframe` only to track query
execution. This PR simplifies this code path by using the
`Dataset.queryExecution` directly. This PR also merges the typed and untyped
action evaluation paths.
## How was this patch tested?
Existing tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hvanhovell/spark SPARK-19070
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16466.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 #16466
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commit dca1b56810cd3c3469f70cc653a985b78519f6c6
Author: Herman van Hovell <[email protected]>
Date: 2017-01-04T01:04:36Z
Clean-up dataset actions.
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