Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/22184
Since we are not going to backport the PR to 2.3, do we still need this
migration guide?
Strictly speaking, we do have a behavior change here: hive table is always
case insensitive and we should not read hive parquet table with native parquet
reader if Spark is in case-sensitive mode. @seancxmao can you send a followup
PR to do it? thanks!
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