HIVE-2928. Support for Oracle-backed Hive-Metastore (longvarchar to clob in package.jdo)

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HIVE-3082. Oracle Metastore schema script doesn't include DDL for DN internal tables

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HIVE-3057: metastore.HiveMetaStore should set the thread local raw store to null in shutdown() (Travis Crawford via Ashutosh Chauhan) Merged in from trunk

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HIVE-3063. Merged-in from trunk.

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HIVE-3076 : drop partition does not work for non-partition columns. Backported from trunk.

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HIVE-3008: Memory leak in TUGIContainingTransport. Backported from trunk.

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HIVE-3395. 0.23 compatibility: shim job.tracker.address (Francis Liu via cws)

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HIVE-3098 : Memory leak from large number of FileSystem instances in FileSystem.CACHE (Mithun Radhakrishnan via Ashutosh Chauhan)

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HIVE-3437. 0.23 compatibility: fix unit tests when building against 0.23 (Chris Drome via cws)

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HIVE-3698 : enhanceModel.notRequired is incorrectly determined (Chris Drome via Ashutosh Chauhan)

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HIVE-3680 : Include Table information in Hive's AddPartitionEvent. (Mithun RadhaKrishnan via Ashutosh Chauhan)

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HIVE-3645 : RCFileWriter does not implement the right function to support Federation (Arup Malakar via Ashutosh Chauhan)

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HIVE-3648 : HiveMetaStoreFsImpl is not compatible with hadoop viewfs (Arup Malakar via Ashutosh Chauhan)

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HIVE-3384 : HIVE JDBC module won't compile under JDK1.7 as new methods added in JDBC specification (Shengsheng Huang, Chris Drome, Mikhail Bautin via Ashutosh Chauhan)

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HIVE-3789 : Patch 3648 causing the majority of unit tests to fail on branch 0.9 (Arup Malakar via Ashutosh Chauhan)

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Merge pull request #2 from apache/branch-0.9

wb-505 update hive 0.9 branch to match current version