Github user cloud-fan commented on the pull request:
https://github.com/apache/spark/pull/7059#issuecomment-116101231
cc @rxin @davies
I can take over the following internal/external row splitting job if
@davies is too busy recently.
Some thoughts about future plans:
* create `GenericInternalRow` and apply it to the right place. Based on
https://github.com/apache/spark/pull/7003
* make `Row` and `InternalRow` siblings instead of parent and child.(may
break this into several parts after digging into)
* remove unnecessary functions from `InternalRow`.
* improve the access control of internal row related stuff, so that we can
hide them outside spark sql module, and only expose `Row`.
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