Github user zhzhan commented on the pull request:
https://github.com/apache/spark/pull/5986#issuecomment-100012840
@marmbrus I will find a test case for it.
I hit this issue when the inside the relation I didn't overwrite
needConversion using following.
override def needConversion = false
createPhysicalRDD try to use rowToRowRdd to convert to catalyst type. For
example, if we do
select b, c from table where a > 1, the output is b, c, a, but the table
schema is a, b, c. It have type conflicts.
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