Github user marmbrus commented on the pull request:
https://github.com/apache/spark/pull/224#issuecomment-38748839
Hi Cheng Hao, Thanks for implementing these functions. I bet they will be
much faster than using HiveUDFs as we do now!
Based on the number of comments on the test case refactoring, I think it
would be easiest to try and commit just the LIKE and RLIKE with a few simple
test cases, and then take on the rest in a separate PR.
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