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| author | Felix Cheung <felixcheung_m@hotmail.com> | 2016-10-21 12:35:37 -0700 |
|---|---|---|
| committer | Felix Cheung <felixcheung@apache.org> | 2016-10-21 12:35:37 -0700 |
| commit | e21e1c946c4b7448fb150cfa2d9419864ae6f9b5 (patch) | |
| tree | 44da3487f4b5403b889fc5e4f33a40a679f20e9a /docs | |
| parent | 4efdc764edfbc4971f0e863947258482ca2017df (diff) | |
| download | spark-e21e1c946c4b7448fb150cfa2d9419864ae6f9b5.tar.gz spark-e21e1c946c4b7448fb150cfa2d9419864ae6f9b5.tar.bz2 spark-e21e1c946c4b7448fb150cfa2d9419864ae6f9b5.zip | |
[SPARK-18013][SPARKR] add crossJoin API
## What changes were proposed in this pull request?
Add crossJoin and do not default to cross join if joinExpr is left out
## How was this patch tested?
unit test
Author: Felix Cheung <felixcheung_m@hotmail.com>
Closes #15559 from felixcheung/rcrossjoin.
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/sparkr.md | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/sparkr.md b/docs/sparkr.md index 340e7f7cb1..c1829efd18 100644 --- a/docs/sparkr.md +++ b/docs/sparkr.md @@ -591,3 +591,7 @@ You can inspect the search path in R with [`search()`](https://stat.ethz.ch/R-ma - The method `registerTempTable` has been deprecated to be replaced by `createOrReplaceTempView`. - The method `dropTempTable` has been deprecated to be replaced by `dropTempView`. - The `sc` SparkContext parameter is no longer required for these functions: `setJobGroup`, `clearJobGroup`, `cancelJobGroup` + +## Upgrading to SparkR 2.1.0 + + - `join` no longer performs Cartesian Product by default, use `crossJoin` instead. |