GitHub user gatorsmile opened a pull request:
https://github.com/apache/spark/pull/16737
[SPARK-19397] [SQL] Make option names of LIBSVM and TEXT case insensitive
### What changes were proposed in this pull request?
Prior to Spark 2.1, the option names are case sensitive for all the
formats. Since Spark 2.1, the option key names become case insensitive except
the format `Text` and `LibSVM `. This PR is to fix these issues.
Also, add a check to know whether the input option vector type is legal for
`LibSVM`.
### How was this patch tested?
Added test cases
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gatorsmile/spark libSVMTextOptions
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16737.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 #16737
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commit 297f87aa3ac222c5c9f6e5fa6fcc3043b24bc0f9
Author: gatorsmile <[email protected]>
Date: 2017-01-30T02:26:36Z
fix.
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