GitHub user tdas opened a pull request:
https://github.com/apache/spark/pull/13549
Added support for sorting after streaming aggregation with complete mode
## What changes were proposed in this pull request?
When the output mode is complete, then the output of a streaming
aggregation essentially will contain the complete aggregates every time. So
this is not different from a batch dataset within an incremental execution.
Other non-streaming operations should be supported on this dataset. In this PR,
I am just adding support for sorting, as it is a common useful functionality.
Support for other operations will come later.
## How was this patch tested?
Additional unit tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tdas/spark SPARK-15812
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13549.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 #13549
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commit a287a9a6955b58609722947b3480bc5578d0b37d
Author: Tathagata Das <[email protected]>
Date: 2016-06-08T01:51:38Z
Added support for sorting after streaming aggregation with complete mode
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