Github user gatorsmile commented on the pull request:
https://github.com/apache/spark/pull/12385#issuecomment-210487137
The test cases are wrong, based on the Hive definition.
- `Rename Partitions` only allows users to change the partition values,
instead of partition column names.
- `Add Partitions` only allows users to add new partitions with the exactly
same partition columns defined in Table.
- `Alter Partition Set Location` also need to ensure users to use the same
partitioning definition.
@andrewor14 @yhuai Do you want me to submit a separate PR to fix all the
issues in the implementation of Alter Partition? In the `InMemoryCatalog`, we
ignore all the above issues.
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