Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/2284#issuecomment-54922492
@marmbrus I vote for `getAs[T](i: Int)`.
@chenghao-intel As Michael has just said, avoiding boxing cost is the major
design rationale behind these setters/getters. Unfortunately, we haven't fully
leverage this design and boxing still happens on some critical paths, for
example, building/accessing in-memory columnar buffers. PR #2327 is an attempt
to (partially) solve this problem.
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