Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/1090#issuecomment-46510367
Hey @msiddalingaiah - in some cases more than one person will submit
solutions for a patch. The assignments on JIRA are just tentative, we don't
consider them an exclusive reservation. In this case @aarondav assigned this
task to you on May 27th. Then someone else submitted a fix on May 31st. Your
patch showed up on June 14th.
When this happens we just try to take the best patch out there and in this
case #931 is in better shape than this patch. However, we're happy to give both
people credit for working on the feature when we make the Spark credits if
there is overlap.
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