Github user HyukjinKwon commented on the pull request:
https://github.com/apache/spark/pull/9060#issuecomment-155973698
@liancheng I give some tries to figure out the version but.. as you said,
it is pretty tricky to check the writer version as it only changes the version
of data page which we could know only within the internal of Parquet.
Would this be too inappropriate if we write Parquet files with both
version1 and version2 and then, check if the sizes of both are equal?
Since encoding types are different, the size should be also different.
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