Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/12040#issuecomment-203404962
Reconsidered the 2nd approach mentioned above and found that it's not
doable, since we also included JVM ID (a UUID) in `ExprId`. That said, binding
`AttributeReference`s across different JVM processes is now allowed.
Took @hvanhovell's advice and added `withPartitionSize` to
`SizeBasedWindowFunction` so that we can easily rewrite the partition size
attribute reference on executor side.
A test case is added in `HiveSparkSubmitSuite`, which supports launching
multi-process clusters.
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