From bf32c1f7f47dd907d787469f979c5859e02ce5e6 Mon Sep 17 00:00:00 2001
From: Yu ISHIKAWA <yuu.ishikawa@gmail.com>
Date: Tue, 18 Aug 2015 20:27:36 -0700
Subject: [SPARK-10075] [SPARKR] Add `when` expressino function in SparkR

- Add `when` and `otherwise` as `Column` methods
- Add `When` as an expression function
- Add `%otherwise%` infix as an alias of `otherwise`

Since R doesn't support a feature like method chaining, `otherwise(when(condition, value), value)` style is a little annoying for me. If `%otherwise%` looks strange for shivaram, I can remove it. What do you think?

### JIRA
[[SPARK-10075] Add `when` expressino function in SparkR - ASF JIRA](https://issues.apache.org/jira/browse/SPARK-10075)

Author: Yu ISHIKAWA <yuu.ishikawa@gmail.com>

Closes #8266 from yu-iskw/SPARK-10075.
---
 R/pkg/NAMESPACE | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'R/pkg/NAMESPACE')

diff --git a/R/pkg/NAMESPACE b/R/pkg/NAMESPACE
index 607aef2611..8fa12d5ade 100644
--- a/R/pkg/NAMESPACE
+++ b/R/pkg/NAMESPACE
@@ -152,6 +152,7 @@ exportMethods("abs",
               "n_distinct",
               "nanvl",
               "negate",
+              "otherwise",
               "pmod",
               "quarter",
               "reverse",
@@ -182,6 +183,7 @@ exportMethods("abs",
               "unhex",
               "upper",
               "weekofyear",
+              "when",
               "year")
 
 exportClasses("GroupedData")
-- 
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