GitHub user rxin opened a pull request:
https://github.com/apache/spark/pull/6072
[SPARK-7321][SQL] Add Column expression for conditional statements
(when/otherwise)
This builds on https://github.com/apache/spark/pull/5932 and should close
https://github.com/apache/spark/pull/5932 as well.
As an example:
```python
df.select(when(df['age'] == 2, 3).otherwise(4).alias("age")).collect()
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rxin/spark when-expr
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6072.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 #6072
----
commit 76d63461d2c512f5a6519d25dcaa14cfa8ec6468
Author: kaka1992 <[email protected]>
Date: 2015-05-06T03:20:01Z
[SPARK-7321][SQL] Add Column expression for conditional statements (if,
case)
commit 801009e798dc3c82f549241e2764e300ad1295da
Author: kaka1992 <[email protected]>
Date: 2015-05-06T14:55:29Z
Update
commit 8218d0acc287565a62259691803fd13c84f651ba
Author: kaka1992 <[email protected]>
Date: 2015-05-12T02:28:49Z
Update
commit 95724c6375e3f0fda4bef4f2d8c6a62811a196cc
Author: kaka1992 <[email protected]>
Date: 2015-05-12T02:38:21Z
Update
commit 762f6a5aba1fd0f0110e5e6e674751d98fbb5c6a
Author: Reynold Xin <[email protected]>
Date: 2015-05-12T04:02:40Z
Merge pull request #5932 from kaka1992/IFCASE
[SPARK-7321][SQL] Add Column expression for conditional statements
commit bfb9d9fcececbc682f2c5bb2c0586e56ea499adf
Author: Reynold Xin <[email protected]>
Date: 2015-05-12T05:24:43Z
Updated documentation and test cases.
----
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