GitHub user xuanyuanking opened a pull request:
https://github.com/apache/spark/pull/21553
[SPARK-24215][PySpark][Follow Up] Implement eager evaluation for DataFrame
APIs in PySpark
## What changes were proposed in this pull request?
Address comments in #21370 and add more test.
## How was this patch tested?
Enhance test in pyspark/sql/test.py and DataFrameSuite
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/xuanyuanking/spark SPARK-24215-follow
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/21553.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 #21553
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commit 8d33af73627a073e011df792648bdcac0853d1c8
Author: Yuanjian Li <xyliyuanjian@...>
Date: 2018-06-13T09:46:54Z
the follow up work for SPARK-24215
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