GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/18737
[SPARK-21536][R] Remove the workaroud to allow dots in field names in R's
createDataFame
## What changes were proposed in this pull request?
This PR removes the workaround for dots in column names in SparkR's
`createDataFrame`.
**Before:**
```r
> createDataFrame(list(list(1)), "a.a")
SparkDataFrame[a_a:double]
...
In FUN(X[[i]], ...) : Use a_a instead of a.a as column name
```
```r
> createDataFrame(list(list(a.a = 1)))
SparkDataFrame[a_a:double]
...
In FUN(X[[i]], ...) : Use a_a instead of a.a as column name
```
**After:**
```r
> createDataFrame(list(list(1)), "a.a")
SparkDataFrame[a.a:double]
```
```r
> createDataFrame(list(list(a.a = 1)))
SparkDataFrame[a.a:double]
```
## How was this patch tested?
Unit tests in `test_sparkSQL.R`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark SPARK-21536
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18737.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 #18737
----
commit ef9d200a920385816183aa9ff8b30ce4ef7bc32c
Author: hyukjinkwon <gurwls...@gmail.com>
Date: 2017-07-26T06:23:51Z
Remove the workaroud to allow dots in field names in R's createDataFame
----
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