GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/16371
[SPARK-18932][SQL] Support partial aggregation for collect_set/collect_list
## What changes were proposed in this pull request?
Currently collect_set/collect_list aggregation expression don't support
partial aggregation. This patch is to enable partial aggregation for them.
## How was this patch tested?
N/A
Please review http://spark.apache.org/contributing.html before opening a
pull request.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 collect-partial-support
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16371.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 #16371
----
commit 6e8aa82d95e52c6c469aaa4a8e1cfc0105576e69
Author: Liang-Chi Hsieh <[email protected]>
Date: 2016-12-21T06:53:39Z
Support partial mode for collect.
----
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
