Github user srowen commented on the issue:
https://github.com/apache/spark/pull/22466
That link says Hive does support EXTERNAL. What am I missing? Well, in any
event we aren't contemplating a behavior change here.
If you delete a table with LOCATION specified, what should happen? Hive
would delete it I guess... unless it's EXTERNAL. Looks like Spark would delete
it even when it's in an 'external' location.
If these are conflated I guess we weigh the surprise in not deleting
'local' locations for data when a table is dropped, vs surprise in deleting
'external' locations for data.
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