GitHub user maropu opened a pull request:
https://github.com/apache/spark/pull/18516
[SPARK-21281][SQL] Throw AnalysisException if array and map have no argument
## What changes were proposed in this pull request?
This pr modified code to throw `AnalysisException` if `array` and `map` in
functions have no argument. This error handling is the same with `coalesce` in
functions.
## How was this patch tested?
Added tests in `DataFrameFunctionsSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/maropu/spark SPARK-21281
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18516.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 #18516
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commit 1e29eab8fea5152a7608847dffbb5beb01742b8e
Author: Takeshi Yamamuro <[email protected]>
Date: 2017-07-03T15:07:13Z
Strict argument checks for array() and map()
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