GitHub user kiszk opened a pull request:
https://github.com/apache/spark/pull/19778
[SPARK-22550][SQL] Fix 64KB JVM bytecode limit problem with elt
## What changes were proposed in this pull request?
This PR changes `elt` code generation to place generated code for
expression for arguments into separated methods if these size could be large.
This PR resolved the case of `elt` with a lot of argument
## How was this patch tested?
Added new test cases into `StringExpressionsSuite`
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/kiszk/spark SPARK-22550
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/19778.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 #19778
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commit 06b103e556756d567ae45626a9a62b8ffb777e36
Author: Kazuaki Ishizaki <ishiz...@jp.ibm.com>
Date: 2017-11-18T03:07:31Z
initial commit
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