GitHub user zsxwing opened a pull request:
https://github.com/apache/spark/pull/13740
[SPARK-16020][SQL]Fix complete mode aggregation with console sink
## What changes were proposed in this pull request?
We cannot use `limit` on DataFrame in ConsoleSink because it will use a
wrong planner. This PR just collects `DataFrame` and calls `show` on a batch
DataFrame based on the result. This is fine since ConsoleSink is only for
debugging.
## How was this patch tested?
Manually confirmed ConsoleSink now works with complete mode aggregation.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zsxwing/spark complete-console
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13740.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 #13740
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commit 7c63e792c0b2c4c39f8a568aa70da607b53de81e
Author: Shixiong Zhu <[email protected]>
Date: 2016-06-17T17:53:24Z
Fix complete mode aggregation with console sink
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