Review Request 53110: HIVE-14909: Preserve the "parent location" of the table when an "alter table <table> rename to <newname>" is submitted (the case when the db location is not specified and the Hive defult db is outside the same encrypted zone)

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Review request for hive.


Bugs: HIVE-14909
    https://issues.apache.org/jira/browse/HIVE-14909


Repository: hive-git


Description
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Since Hive supports the DDL like:
create table foo (key int) location 'path_to_location'
to create a managed table by specifying its location rather than that under its 
database. So table rename should respect this specified location, and not 
change its location or move its data. Its location should be change using a 
different command 'alter table .. set location ...' instead.


Diffs
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  metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java 
7b8459556f54ad8d6e38526796c2ca0c48525cfb 
  ql/src/test/queries/clientpositive/encryption_move_tbl.q 
a25d9554f8c855f0266f888fbe76b6b5bcad82f7 
  ql/src/test/results/clientpositive/encrypted/encryption_move_tbl.q.out 
910ce25572b6c7ccaa112fbf098c561ec54d1630 

Diff: https://reviews.apache.org/r/53110/diff/


Testing
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Unit tests
Manaual tests


Thanks,

Chaoyu Tang

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