GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/18418
[SPARK-19104][SQL] Lambda variables should work when parent expression
splits generated codes
## What changes were proposed in this pull request?
When an expression using lambda variables split the generated codes, the
generated local variables of lambda variables can't be accessed in the
generated functions. This patch fixes this issue by adding the lambda variables
into the function parameter list.
## How was this patch tested?
Jenkins tests.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 SPARK-19104
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18418.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 #18418
----
commit c417e229f4563a6ee857d7ee55582e3b6ca2ed6b
Author: Liang-Chi Hsieh <[email protected]>
Date: 2017-06-26T04:26:00Z
Add lambda variables into the parameters of functions generated by
splitExpressions.
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