Github user liancheng commented on the pull request:
https://github.com/apache/spark/pull/8476#issuecomment-137726968
I'm not super familiar with the script transformation feature. If I
understand this problem correctly, in prior versions, we doesn't support
`RECORDREADER` or `RECORDWRITER` clauses and thus always fallback to
`TextRecordReader` and `TextRecordWriter`. However, we didn't specify line
delimiter or field delimiter properly. Is it?
It seems that this PR not only tries to fix the delimiters issue, but also
adds support for `RECORDREADER` and `RECORDWRITER` clauses, which I think could
be moved into a separate PR to simplify this one.
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