GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/15231
[SPARK-17658][SPARKR] write.df API taking path optionally in SparkR
## What changes were proposed in this pull request?
`write.df` API requires path which is not actually always necessary in
Spark. Currently, it only affects the datasources implementing
`CreatableRelationProvider`. Currently, Spark currently does not have internal
data sources implementing this but it'd affect other external datasources.
In addition we'd be able to use this way in Spark's JDBC datasource after
https://github.com/apache/spark/pull/12601 is merged.
## How was this patch tested?
N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark write-default-r
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15231.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 #15231
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commit 41611e594c4e5f8e6aedb2846abfda74dac84a80
Author: hyukjinkwon <gurwls...@gmail.com>
Date: 2016-09-24T10:36:16Z
Make path optional in write.df
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