Github user lianhuiwang commented on the issue:
https://github.com/apache/spark/pull/13494
@rxin good point. Because now MetastoreRelation only be defined in Hive now
and if we make it using MetadataOnly optimization, like this PR we can use
MetadataOnly optimization in Hive Component.
if not, we needs divide MetadataOnly optimization into two part, one for
common sql, other for HiveQl.
I will think more about it and try my best to resolve it.
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