Github user erikerlandson commented on the pull request:
https://github.com/apache/spark/pull/1254#issuecomment-47426817
Tangentially, one thing I noticed is that currently all the
"XxxRDDFunctions" implicits are automatically defined in SparkContext, and so I
held to that pattern in this PR. However, another option might be to not
automatically define it, and a user would import DropRDDFunctions for
themselves if they wanted to use drop methods.
In fact, that seems like a good pattern generally for reducing unneeded
imports; one might say the same thing for OrderedRDDFunctions, etc: import
XxxRDDFunctions if you need it.
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