GitHub user brkyvz opened a pull request:
https://github.com/apache/spark/pull/7201
[SPARK-8803] handle special characters in elements in crosstab
cc @rxin
Having back ticks or null as elements causes problems.
Since elements become column names, we have to drop them from the element
as back ticks are special characters.
Having null throws exceptions, we could replace them with empty strings.
Handling back ticks should be improved for 1.5
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/brkyvz/spark weird-ct-elements
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/7201.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 #7201
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commit db71dbd1feb48b13aa84945df12374f5eb784779
Author: Burak Yavuz <[email protected]>
Date: 2015-07-02T23:06:45Z
handle special characters in elements in crosstab
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