Review Request 63528: HIVE-17969: Metastore to alter table in batches of partitions when renaming table

[Adam Szita via Review Board]

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https://reviews.apache.org/r/63528/
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Review request for hive, Peter Vary and Barna Zsombor Klara.


Bugs: HIVE-17969
    https://issues.apache.org/jira/browse/HIVE-17969


Repository: hive-git


Description
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Refactoring alter table code to use batching of partitions when calling the 
heavy removeUnusedColumnDescriptor method


Diffs
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standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java
 ccadac1ada6aaae884ab39f5d99e91b8c542404e 
  
standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java
 62801c53853dbafb7c425cff943ec819dcee4800 


Diff: https://reviews.apache.org/r/63528/diff/1/


Testing
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Thanks,

Adam Szita