GitHub user ericl opened a pull request:
https://github.com/apache/spark/pull/14168
[MINOR] [SQL] Fix various regex codegen bugs
## What changes were proposed in this pull request?
RegexExtract and RegexReplace currently crash on non-nullable input due use
of a hard-coded local variable name (e.g. compiles fail with
`java.lang.Exception: failed to compile:
org.codehaus.commons.compiler.CompileException: File 'generated.java', Line 85,
Column 26: Redefinition of local variable "m" `).
This removes those variables and other questionable cases.
## How was this patch tested?
Unit tests. @rxin
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/ericl/spark sc-3906
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14168.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 #14168
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commit 4524d97638bedb3c320d3a1bcc6be25855121e89
Author: Eric Liang <e...@databricks.com>
Date: 2016-07-13T02:00:56Z
fixes
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