Github user yucai commented on the issue:
https://github.com/apache/spark/pull/19788
@JoshRosen this feature only happens in SparkSQL, and SparkSQL uses
UnsafeRowSerializer, which supports relocation of serialized objects, so I
think we only consider compression, right? I have added the check in
supportsContinuousBlockBulkFetch, kindly help review. Do you think we need
disable this when encryption is enabled also?
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