Github user javadba commented on the pull request:
https://github.com/apache/spark/pull/1586#issuecomment-50373079
@chenghao-intel Let us keep both length and strlen: they both serve
different purposes. The length operation may be applied to any datatype. The
tests show examples of finding the "select max(length(s)) from testData" As
far as providing a default encoding type - I was unable to make that code work
in strlen(someString). I want to get this pushed, so we can make a TODO for
that.
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