Release Notes - Hive - Version 0.9.0

** New Feature
    * [HIVE-1634] - Allow access to Primitive types stored in binary format in HBase
    * [HIVE-2005] - Implement BETWEEN operator
    * [HIVE-2279] - Implement sort_array UDF
    * [HIVE-2490] - Add reset operation and average time attribute to Metrics MBean.
    * [HIVE-2530] - Implement SHOW TBLPROPERTIES
    * [HIVE-2602] - add support for insert partition overwrite(...) if not exists
    * [HIVE-2612] - support hive table/partitions exists in more than one region
    * [HIVE-2621] - Allow multiple group bys with the same input data and spray keys to be run on the same reducer.
    * [HIVE-2695] - Add PRINTF() Udf
    * [HIVE-2698] - Enable Hadoop-1.0.0 in Hive
    * [HIVE-2810] - Implement NULL-safe equality operator <=>
    * [HIVE-2815] - Filter pushdown in hbase for keys stored in binary format
    * [HIVE-2819] - Closed range scans on hbase keys
    * [HIVE-2822] - Add JSON output to the hive ddl commands
    * [HIVE-2894] - RCFile Reader doesn't provide access to Metadata
    * [HIVE-2898] - Add nicer helper functions for adding and reading metadata from RCFiles
    * [HIVE-2936] - Warehouse table subdirectories should inherit the group permissions of the warehouse parent directory


** Bug
    * [HIVE-727] - Hive Server getSchema() returns wrong schema for "Explain" queries
    * [HIVE-1444] - "hdfs" is hardcoded in few places in the code which inhibits use of other file systems
    * [HIVE-1892] - show functions also returns internal operators
    * [HIVE-2329] - Not using map aggregation, fails to execute group-by after cluster-by with same key
    * [HIVE-2503] - HiveServer should provide per session configuration
    * [HIVE-2504] - Warehouse table subdirectories should inherit the group permissions of the warehouse parent directory
    * [HIVE-2520] - left semi join will duplicate data
    * [HIVE-2543] - Compact index table's files merged in creation
    * [HIVE-2616] - Passing user identity from metastore client to server in non-secure mode
    * [HIVE-2617] - Insert overwrite table db.tname fails if partition already exists
    * [HIVE-2629] - Make a single Hive binary work with both 0.20.x and 0.23.0
    * [HIVE-2631] - Make Hive work with Hadoop 1.0.0
    * [HIVE-2632] - ignore exception for external jars via reflection
    * [HIVE-2635] - wrong class loader used for external jars
    * [HIVE-2646] - Hive Ivy dependencies on Hadoop should depend on jars directly, not tarballs
    * [HIVE-2647] - Force Bash shell on parallel test slave nodes
    * [HIVE-2648] - Parallel tests fail if master directory is not present
    * [HIVE-2649] - Allow multiple ptest runs by the same person
    * [HIVE-2650] - Parallel test commands that include cd fail
    * [HIVE-2654] - "hive.querylog.location" requires parent directory to be exist or else folder creation fails
    * [HIVE-2657] - builtins JAR is not being published to Maven repo & hive-cli POM does not depend on it either
    * [HIVE-2660] - Need better exception handling in RCFile tolerate corruptions mode
    * [HIVE-2666] - StackOverflowError when using custom UDF in map join
    * [HIVE-2673] - Eclipse launch configurations fail due to unsatisfied builtins JAR dependency
    * [HIVE-2674] - get_partitions_ps throws TApplicationException if table doesn't exist
    * [HIVE-2681] - SUCESS is misspelled
    * [HIVE-2690] - a bug in 'alter table concatenate' that causes filenames getting double url encoded
    * [HIVE-2705] - SemanticAnalyzer twice swallows an exception it shouldn't
    * [HIVE-2706] - StackOverflowError when using custom UDF after adding archive after adding jars
    * [HIVE-2714] - Lots of special characters are not handled in LIKE
    * [HIVE-2718] - NPE in union followed by join
    * [HIVE-2724] - Remove unused lib/log4j-1.2.15.jar
    * [HIVE-2725] - Fix flaky testing infrastructure
    * [HIVE-2734] - Fix some nondeterministic test output
    * [HIVE-2735] - PlanUtils.configureTableJobPropertiesForStorageHandler() is not called for partitioned table
    * [HIVE-2741] - Single binary built against 0.20 and 0.23, does not work against 0.23 clusters.
    * [HIVE-2746] - Metastore client doesn't log properly in case of connection failure to server
    * [HIVE-2749] - CONV returns incorrect results sometimes
    * [HIVE-2750] - Hive multi group by single reducer optimization causes invalid column reference error
    * [HIVE-2753] - Remove empty java files
    * [HIVE-2754] - NPE in union with lateral view
    * [HIVE-2755] - union follwowed by union_subq does not work if the subquery union has reducers
    * [HIVE-2758] - Metastore is caching too aggressively
    * [HIVE-2759] - Change global_limit.q into linux format file
    * [HIVE-2761] - Remove lib/javaewah-0.3.jar
    * [HIVE-2762] - Alter Table Partition Concatenate Fails On Certain Characters
    * [HIVE-2769] - union with a multi-table insert is not working
    * [HIVE-2772] - make union31.q deterministic
    * [HIVE-2778] - Fail on table sampling
    * [HIVE-2782] - New BINARY type produces unexpected results with supported UDFS when using MapReduce2
    * [HIVE-2791] - filter is still removed due to regression of HIVE-1538 althougth HIVE-2344
    * [HIVE-2792] - SUBSTR(CAST(<string> AS BINARY)) produces unexpected results
    * [HIVE-2793] - Disable loadpart_err.q on 0.23
    * [HIVE-2811] - Export LANG=en_US.UTF-8 to environment while running tests
    * [HIVE-2824] - typo in configuration parameter
    * [HIVE-2831] - TestContribCliDriver.dboutput and TestCliDriver.input45 fail on 0.23
    * [HIVE-2833] - Fix test failures caused by HIVE-2716
    * [HIVE-2837] - insert into external tables should not be allowed
    * [HIVE-2838] - cleanup readentity/writeentity
    * [HIVE-2840] - INPUT__FILE__NAME virtual column returns unqualified paths on Hadoop 0.23
    * [HIVE-2856] - Fix TestCliDriver escape1.q failure on MR2
    * [HIVE-2857] - QTestUtil.cleanUp() fails with FileNotException on 0.23
    * [HIVE-2863] - Ambiguous table name or column reference message displays when table and column names are the same
    * [HIVE-2875] - Renaming partition changes partition location prefix
    * [HIVE-2901] - Hive union with NULL constant and string in same column returns all null
    * [HIVE-2907] - Hive error when dropping a table with large number of partitions
    * [HIVE-2913] - BlockMergeTask Doesn't Honor Job Configuration Properties when used directly
    * [HIVE-2920] - TestStatsPublisherEnhanced throws NPE on JDBC connection failure
    * [HIVE-2923] - testAclPositive in TestZooKeeperTokenStore failing in clean checkout when run on Mac
    * [HIVE-2948] - HiveFileFormatUtils should use Path.SEPARATOR instead of File.Separator
    * [HIVE-2958] - GROUP BY causing ClassCastException [LazyDioInteger cannot be cast LazyInteger]
    * [HIVE-2970] - several jars in hive tar generated are not required

** Improvement
    * [HIVE-1040] - use sed rather than diff for masking out noise in diff-based tests
    * [HIVE-1487] - parallelize test query runs
    * [HIVE-1877] - Add java_method() as a synonym for the reflect() UDF
    * [HIVE-2203] - Extend concat_ws() UDF to support arrays of strings
    * [HIVE-2249] - When creating constant expression for numbers, try to infer type from another comparison operand, instead of trying to use integer first, and then long and double
    * [HIVE-2471] - Add timestamp column to the partition stats table.
    * [HIVE-2518] - pull junit jar from maven repos via ivy
    * [HIVE-2559] - Add target to install Hive JARs/POMs in the local Maven cache
    * [HIVE-2577] - Expose the HiveConf in HiveConnection API
    * [HIVE-2589] - Newly created partition should inherit properties from table
    * [HIVE-2611] - Make index table output of create index command if index is table based
    * [HIVE-2628] - move one line log from MapOperator to HiveContextAwareRecordReader
    * [HIVE-2640] - Add alterPartition to AlterHandler interface
    * [HIVE-2642] - fix Hive-2566 and make union optimization more aggressive
    * [HIVE-2651] - The variable hive.exec.mode.local.auto.tasks.max should be changed
    * [HIVE-2652] - Change arc config to hide generated files from Differential by default
    * [HIVE-2662] - Add Ant configuration property for dumping classpath of tests
    * [HIVE-2665] - Support for metastore service specific HADOOP_OPTS environment setting
    * [HIVE-2676] - The row count that loaded to a table may not right
    * [HIVE-2700] - Add 'ivy-clean-cache' and 'very-clean' Ant targets
    * [HIVE-2712] - Make ZooKeeper token store ACL configurable
    * [HIVE-2756] - Views should be added to the inputs of queries.
    * [HIVE-2760] - TestCliDriver should log elapsed time
    * [HIVE-2764] - Obtain delegation tokens for MR jobs in secure hbase setup
    * [HIVE-2765] - hbase handler uses ZooKeeperConnectionException which is not compatible with HBase versions other than 0.89
    * [HIVE-2773] - HiveStorageHandler.configureTableJobProperites() should let the handler know wether it is configuration for input or output
    * [HIVE-2779] - Improve hooks run in Driver
    * [HIVE-2781] - HBaseSerDe should allow users to specify the timestamp passed to Puts
    * [HIVE-2795] - View partitions do not have a storage descriptor
    * [HIVE-2797] - Make the IP address of a Thrift client available to HMSHandler.
    * [HIVE-2823] - Add logging of total run time of Driver
    * [HIVE-2825] - Concatenating a partition does not inherit location from table
    * [HIVE-2827] - Implement nullsafe equi-join
    * [HIVE-2832] - Cache error messages for additional logging
    * [HIVE-2835] - Change default configuration for hive.exec.dynamic.partition
    * [HIVE-2841] - Fix javadoc warnings
    * [HIVE-2850] - Remove zero length files
    * [HIVE-2853] - Add pre event listeners to metastore
    * [HIVE-2858] - Cache remote map reduce job stack traces for additional logging
    * [HIVE-2861] - Support eventual constant expression for filter pushdown for key ranges in hbase
    * [HIVE-2864] - If hive history file's directory doesn't exist don't crash
    * [HIVE-2865] - hive-config.sh should honor HIVE_HOME env
    * [HIVE-2866] - Cache local map reduce job errors for additional logging
    * [HIVE-2871] - Add a new hook to run at the beginning and end of the Driver.run method
    * [HIVE-2872] - Store which configs the user has explicitly changed
    * [HIVE-2879] - Add "rat" target to build to look for missing license headers
    * [HIVE-2881] - Remove redundant key comparing in SMBMapJoinOperator
    * [HIVE-2891] - TextConverter for UDF's is inefficient if the input object is already Text or Lazy
    * [HIVE-2908] - Hive: Extend ALTER TABLE DROP PARTITION syntax to use all comparators
    * [HIVE-2930] - Add license to the Hive files
    * [HIVE-2946] - Hive metastore does not have any log messages while shutting itself down.
    * [HIVE-2961] - Remove need for storage descriptors for view partitions

** Task
    * [HIVE-2645] - Hive Web Server startup messages logs incorrect path it is searching for WAR
    * [HIVE-2719] - Fix test failures caused by HIVE-2589
    * [HIVE-2748] - Upgrade Hbase and ZK dependcies
    * [HIVE-2768] - Add a getAuthorizationProvider to HiveStorageHandler
    * [HIVE-2805] - Move metastore upgrade scripts labeled 0.10.0 into scripts labeled 0.9.0
    * [HIVE-2962] - Remove unnecessary JAR dependencies
    * [HIVE-2965] - Revert HIVE-2612
    * [HIVE-2966] - Revert HIVE-2795

** Sub-task
    * [HIVE-2433] - add DOAP file for Hive
    * [HIVE-2436] - Update project naming and description in Hive website
    * [HIVE-2437] - update project website navigation links
    * [HIVE-2438] - add trademark attributions to Hive homepage
    * [HIVE-2600] - Enable/Add type-specific compression for rcfile
    * [HIVE-2716] - Move retry logic in HiveMetaStore to a separe class
    * [HIVE-2771] - Add support for filter pushdown for key ranges in hbase for keys of type string


** Test
    * [HIVE-2686] - Test ppr_pushdown.q is failing on trunk
    * [HIVE-2727] - add a testcase for partitioned view on union and base tables have index
    * [HIVE-2937] - TestHiveServerSessions hangs when executed directly

** Wish
    * [HIVE-2682] - Clean-up logs

Release Notes - Hive - Version 0.8.0

** New Feature
    * [HIVE-192] - Add TIMESTAMP column type for thrift dynamic_type
    * [HIVE-306] - Support "INSERT [INTO] destination"
    * [HIVE-788] - Triggers when a new partition is created for a table
    * [HIVE-818] - Create a Hive CLI that connects to hive ThriftServer
    * [HIVE-872] - Allow type widening on COALESCE/UNION ALL
    * [HIVE-956] - Add support of columnar binary serde
    * [HIVE-1003] - optimize metadata only queries
    * [HIVE-1310] - Partitioning columns should be of primitive types only
    * [HIVE-1343] - add an interface in RCFile to support concatenation of two files without (de)compression
    * [HIVE-1537] - Allow users to specify LOCATION in CREATE DATABASE statement
    * [HIVE-1694] - Accelerate GROUP BY execution using indexes
    * [HIVE-1734] - Implement map_keys() and map_values() UDFs
    * [HIVE-1735] - Extend Explode UDTF to handle Maps
    * [HIVE-1803] - Implement bitmap indexing in Hive
    * [HIVE-1918] - Add export/import facilities to the hive system
    * [HIVE-1941] - support explicit view partitioning
    * [HIVE-1950] - Block merge for RCFile
    * [HIVE-2090] - Add "DROP DATABASE ... CASCADE/RESTRICT"
    * [HIVE-2121] - Input Sampling By Splits
    * [HIVE-2185] - extend table statistics to store the size of uncompressed data (+extend interfaces for collecting other types of statistics)
    * [HIVE-2188] - Add get_table_objects_by_name() to Hive MetaStore
    * [HIVE-2215] - Add api for marking / querying set of partitions for events
    * [HIVE-2223] - support grouping on complex types in Hive
    * [HIVE-2225] - Purge expired events
    * [HIVE-2236] - Cli: Print Hadoop's CPU milliseconds
    * [HIVE-2244] - Add a Plugin Developer Kit to Hive
    * [HIVE-2272] - add TIMESTAMP data type
    * [HIVE-2278] - Support archiving for multiple partitions if the table is partitioned by multiple columns
    * [HIVE-2380] - Add Binary Datatype in Hive
    * [HIVE-2500] - Allow Hive to be debugged remotely
    * [HIVE-2509] - Literal bigint
    * [HIVE-2561] - Allow UDFs to specify additional FILE/JAR resources necessary for execution

** Bug
    * [HIVE-11] - better error code from Hive describe command
    * [HIVE-106] - Join operation fails for some queries
    * [HIVE-619] - Improve the error messages for missing/incorrect UDF/UDAF class
    * [HIVE-1218] - CREATE TABLE t LIKE some_view should create a new empty base table, but instead creates a copy of view
    * [HIVE-1302] - describe parse_url throws an error
    * [HIVE-1342] - Predicate push down get error result when sub-queries have the same alias name 
    * [HIVE-1461] - Clean up references to 'hive.metastore.local'
    * [HIVE-1538] - FilterOperator is applied twice with ppd on.
    * [HIVE-1592] - ProxyFileSystem.close calls super.close twice.
    * [HIVE-1595] - job name for alter table <T> archive partition <P> is not correct
    * [HIVE-1631] - JDBC driver returns wrong precision, scale, or column size for some data types
    * [HIVE-1675] - SAXParseException on plan.xml during local mode.
    * [HIVE-1825] - Different defaults for hive.metastore.local
    * [HIVE-1850] - alter table set serdeproperties bypasses regexps checks (leaves table in a non-recoverable state?)
    * [HIVE-1884] - Potential risk of resource leaks in Hive
    * [HIVE-1937] - DDLSemanticAnalyzer won't take newly set Hive parameters
    * [HIVE-1943] - Metastore operations (like drop_partition) could be improved in terms of maintaining consistency of metadata and data
    * [HIVE-1959] - Potential memory leak when same connection used for long time. TaskInfo and QueryInfo objects are getting accumulated on executing more queries on the same connection.
    * [HIVE-1963] - Don't set ivy.home in build-common.xml
    * [HIVE-1965] - Auto convert mapjoin should not throw exception if the top operator is union operator.
    * [HIVE-1973] - Getting error when join on tables where name of table has uppercase letters
    * [HIVE-1974] - In error scenario some opened streams may not closed in ScriptOperator.java, Utilities.java 
    * [HIVE-1975] - "insert overwrite directory" Not able to insert data with multi level directory path
    * [HIVE-1976] - Exception should be thrown when invalid jar,file,archive is given to add command
    * [HIVE-1980] - Merging using mapreduce rather than map-only job failed in case of dynamic partition inserts
    * [HIVE-1987] - HWI admin_list_jobs JSP page throws exception
    * [HIVE-1988] - Make the delegation token issued by the MetaStore owned by the right user
    * [HIVE-2001] - Add inputs and outputs to authorization DDL commands
    * [HIVE-2003] - LOAD compilation does not set the outputs during semantic analysis resulting in no authorization checks being done for it.
    * [HIVE-2008] - keyword_1.q is failing
    * [HIVE-2022] - Making JDO thread-safe by default
    * [HIVE-2024] - In Driver.execute(), mapred.job.tracker is not restored if one of the task fails.
    * [HIVE-2025] - Fix TestEmbeddedHiveMetaStore and TestRemoteHiveMetaStore broken by HIVE-2022
    * [HIVE-2031] - Correct the exception message for the better traceability for the scenario load into the partitioned table having 2  partitions by specifying only one partition in the load statement. 
    * [HIVE-2032] - create database does not honour warehouse.dir in dbproperties
    * [HIVE-2033] - A database's warehouse.dir is not used for tables created in it.
    * [HIVE-2034] - Backport HIVE-1991 after overridden by HIVE-1950
    * [HIVE-2037] - Merge result file size should honor hive.merge.size.per.task
    * [HIVE-2040] - the retry logic in Hive's concurrency  is not working correctly.
    * [HIVE-2042] - In error scenario some opened streams may not closed
    * [HIVE-2045] - TCTLSeparatedProtocol.SimpleTransportTokenizer.nextToken() throws Null Pointer Exception in some cases
    * [HIVE-2054] - Exception on windows when using the jdbc driver. "IOException: The system cannot find the path specified"
    * [HIVE-2060] - CLI local mode hit NPE when exiting by ^D
    * [HIVE-2061] - Create a hive_contrib.jar symlink to hive-contrib-{version}.jar for backward compatibility
    * [HIVE-2062] - HivePreparedStatement.executeImmediate always throw exception
    * [HIVE-2069] - NullPointerException on getSchemas
    * [HIVE-2080] - Few code improvements in the ql and serde packages.
    * [HIVE-2083] - Bug: RowContainer was set to 1 in JoinUtils.
    * [HIVE-2086] - Add test coverage for external table data loss issue
    * [HIVE-2095] - auto convert map join bug
    * [HIVE-2096] - throw a error if the input is larger than a threshold for index input format
    * [HIVE-2098] - Make couple of convenience methods in EximUtil public
    * [HIVE-2100] - virtual column references inside subqueries cause execution exceptions
    * [HIVE-2107] - Log4J initialization info should not be printed out if -S is specified
    * [HIVE-2113] - In shell mode, local mode continues if a local-mode task throws exception in pre-hooks
    * [HIVE-2117] - insert overwrite ignoring partition location
    * [HIVE-2120] - auto convert map join may miss good candidates
    * [HIVE-2122] - Remove usage of deprecated methods from org.apache.hadoop.io package
    * [HIVE-2125] - alter table concatenate fails and deletes data
    * [HIVE-2131] - Bitmap Operation UDF doesn't clear return list
    * [HIVE-2138] - Exception when no splits returned from index
    * [HIVE-2142] - Jobs do not get killed even when they created too many files.
    * [HIVE-2145] - NPE during parsing order-by expression
    * [HIVE-2146] - Block Sampling should adjust number of reducers accordingly to make it useful
    * [HIVE-2151] - Too many open files in running negative cli tests
    * [HIVE-2153] - Stats JDBC LIKE queries should escape '_' and '%'
    * [HIVE-2157] - NPE in MapJoinObjectKey
    * [HIVE-2159] - TableSample(percent ) uses one intermediate size to be int, which overflows for large sampled size, making the sampling never triggered.
    * [HIVE-2160] - Few code improvements in the metastore,hwi and ql packages.
    * [HIVE-2176] - Schema creation scripts are incomplete since they leave out tables that are specific to DataNucleus
    * [HIVE-2178] - Log related Check style Comments fixes
    * [HIVE-2181] -  Clean up the scratch.dir (tmp/hive-root) while restarting Hive server. 
    * [HIVE-2182] - Avoid null pointer exception when executing UDF
    * [HIVE-2183] - In Task class and its subclasses logger is initialized in constructor
    * [HIVE-2184] - Few improvements in org.apache.hadoop.hive.ql.metadata.Hive.close()
    * [HIVE-2186] - Dynamic Partitioning Failing because of characters not supported globStatus
    * [HIVE-2192] - Stats table schema incompatible after HIVE-2185
    * [HIVE-2196] - Ensure HiveConf includes all properties defined in hive-default.xml
    * [HIVE-2197] - SessionState used before ThreadLocal set
    * [HIVE-2198] - While using Hive in server mode, HiveConnection.close() is not cleaning up server side resources
    * [HIVE-2199] - incorrect success flag passed to jobClose
    * [HIVE-2204] - unable to get column names for a specific table that has '_' as part of its table name
    * [HIVE-2211] - Fix a bug caused by HIVE-243
    * [HIVE-2214] - CommandNeedRetryException.java is missing ASF header
    * [HIVE-2222] - runnable queue in Driver and DriverContext is not thread safe
    * [HIVE-2237] - hive fails to build in eclipse due to syntax error in BitmapIndexHandler.java
    * [HIVE-2243] - Can't publish maven release artifacts to apache repository
    * [HIVE-2248] - Comparison Operators convert number types to common type instead of double if possible
    * [HIVE-2253] - Merge failing of join tree in exceptional case
    * [HIVE-2257] - Enable TestHadoop20SAuthBridge
    * [HIVE-2259] - Skip comments in hive script
    * [HIVE-2260] - ExecDriver::addInputPaths should pass the table properties to the record writer
    * [HIVE-2275] - Revert HIVE-2219 and apply correct patch to improve the efficiency of dropping multiple partitions
    * [HIVE-2276] - Fix Inconsistency between RB and JIRA patches for HIVE-2194
    * [HIVE-2281] - Regression introduced from HIVE-2155
    * [HIVE-2286] - ClassCastException when building index with security.authorization turned on
    * [HIVE-2287] - Error during UNARCHIVE of a partition
    * [HIVE-2292] - Comment clause should immediately follow identifier field in CREATE DATABASE statement
    * [HIVE-2294] - Allow ShimLoader to work with Hadoop 0.20-append
    * [HIVE-2296] - bad compressed file names from insert into
    * [HIVE-2298] - Fix UDAFPercentile to tolerate null percentiles
    * [HIVE-2303] - files with control-A,B are not delimited correctly.
    * [HIVE-2307] - Schema creation scripts for PostgreSQL use bit(1) instead of boolean
    * [HIVE-2309] - Incorrect regular expression for extracting task id from filename
    * [HIVE-2315] - DatabaseMetadata.getColumns() does not return partition column names for a table
    * [HIVE-2319] - Calling alter_table after changing partition comment throws an exception
    * [HIVE-2322] - Add ColumnarSerDe to the list of native SerDes
    * [HIVE-2326] - Turn off bitmap indexing when map-side aggregation is turned off
    * [HIVE-2328] - hive.zookeeper.session.timeout is set to null in hive-default.xml
    * [HIVE-2331] - Turn off compression when generating index intermediate results
    * [HIVE-2334] - DESCRIBE TABLE causes NPE when hive.cli.print.header=true
    * [HIVE-2335] - Indexes are still automatically queried when out of sync with their source tables
    * [HIVE-2337] - Predicate pushdown erroneously conservative with outer joins
    * [HIVE-2338] - Alter table always throws an unhelpful error on failure
    * [HIVE-2342] - mirror.facebook.net is 404ing
    * [HIVE-2343] - stats not updated for non "load table desc" operations
    * [HIVE-2344] - filter is removed due to regression of HIVE-1538
    * [HIVE-2356] - Fix udtf_explode.q and udf_explode.q test failures
    * [HIVE-2358] - JDBC DatabaseMetaData and ResultSetMetaData need to match for particular types
    * [HIVE-2362] - HiveConf properties not appearing in the output of 'set' or 'set -v'
    * [HIVE-2366] - Metastore upgrade scripts for HIVE-2246 do not migrate indexes nor rename the old COLUMNS table
    * [HIVE-2368] - Slow dropping of partitions caused by full listing of storage descriptors
    * [HIVE-2369] - Minor typo in error message in HiveConnection.java (JDBC)
    * [HIVE-2382] - Invalid predicate pushdown from incorrect column expression map for select operator generated by GROUP BY operation
    * [HIVE-2383] - Incorrect alias filtering for predicate pushdown
    * [HIVE-2384] - import of multiple partitions from a partitioned table with external location overwrites files
    * [HIVE-2386] - Add Mockito to LICENSE file
    * [HIVE-2391] - published POMs in Maven repo are incorrect
    * [HIVE-2393] - Fix whitespace test diff accidentally introduced in HIVE-1360
    * [HIVE-2398] - Hive server doesn't return schema for 'set' command
    * [HIVE-2402] - Function like with empty string is throwing null pointer exception
    * [HIVE-2405] - get_privilege does not get user level privilege
    * [HIVE-2407] - File extensions not preserved in Hive.checkPaths when renaming new destination file
    * [HIVE-2411] - Metastore server tries to connect to NN without authenticating itself
    * [HIVE-2412] - Update Eclipse configuration to include Mockito dependency
    * [HIVE-2413] - BlockMergeTask ignores client-specified jars
    * [HIVE-2417] - Merging of compressed rcfiles fails to write the valuebuffer part correctly
    * [HIVE-2429] - skip corruption bug that cause data not decompressed
    * [HIVE-2431] - upgrading thrift version didn't upgrade libthrift.jar symlink correctly
    * [HIVE-2451] - TABLESAMBLE(BUCKET xxx) sometimes doesn't trigger input pruning as regression of HIVE-1538
    * [HIVE-2455] - Pass correct remoteAddress in proxy user authentication
    * [HIVE-2459] - remove all @author tags from source
    * [HIVE-2463] - fix Eclipse for javaewah upgrade
    * [HIVE-2465] - Primitive Data Types returning null if the data is out of range of the data type.
    * [HIVE-2466] - mapjoin_subquery  dump small table (mapjoin table) to the same file
    * [HIVE-2472] - Metastore statistics are not being updated for CTAS queries.
    * [HIVE-2474] - Hive PDK needs an Ivy configuration file
    * [HIVE-2481] - HadoopJobExecHelper does not handle null counters well
    * [HIVE-2486] - Phabricator for code review
    * [HIVE-2487] - Bug from HIVE-2446, the code that calls client stats publishers run() methods is in wrong place, should be in the same method but inside of while (!rj.isComplete()) {} loop
    * [HIVE-2488] - PDK tests failing on Hudson because HADOOP_HOME is not defined
    * [HIVE-2492] - PDK PluginTest failing on Hudson
    * [HIVE-2497] - partition pruning  prune some right partition under specific conditions
    * [HIVE-2499] - small table filesize for automapjoin is not consistent in HiveConf.java and hive-default.xml
    * [HIVE-2501] - When new instance of Hive (class) is created, the current database is reset to default (current database shouldn't be changed).
    * [HIVE-2510] - Hive throws Null Pointer Exception upon CREATE TABLE <db_name>.<table_name> ....     if the given <db_name> doesn't exist
    * [HIVE-2516] - cleaunup QTestUtil: use test.data.files as current directory if one not specified
    * [HIVE-2519] - Dynamic partition insert should enforce the order of the partition spec is the same as the one in schema
    * [HIVE-2522] - HIVE-2446 bug (next one) - If constructor of ClientStatsPublisher throws runtime exception it will be propagated to HadoopJobExecHelper's progress method and beyond, whereas it shouldn't
    * [HIVE-2531] - Allow people to use only issue numbers without 'HIVE-' prefix with `arc diff --jira`.
    * [HIVE-2532] - Evaluation of non-deterministic/stateful UDFs should not be skipped even if constant oi is returned.
    * [HIVE-2534] - HiveIndexResult creation fails due to file system issue
    * [HIVE-2536] - Support scientific notation for Double literals
    * [HIVE-2548] - How to submit documentation fixes
    * [HIVE-2550] - Provide jira_base_url for improved arc commit workflow
    * [HIVE-2556] - upgrade script 008-HIVE-2246.mysql.sql contains syntax errors
    * [HIVE-2562] - HIVE-2247 Changed the Thrift API causing compatibility issues.
    * [HIVE-2565] - Add Java linter to Hive
    * [HIVE-2568] - HIVE-2246 upgrade script needs to drop foreign key in COLUMNS_OLD
    * [HIVE-2571] - eclipse template .classpath is broken
    * [HIVE-2572] - HIVE-2246 upgrade script changed the COLUMNS_V2.COMMENT length
    * [HIVE-2574] - ivy offline mode broken by changingPattern and checkmodified attributes
    * [HIVE-2578] - Debug mode in some situations doesn't work properly when child JVM  is started from MapRedLocalTask
    * [HIVE-2580] - Hive build fails with error "java.io.IOException: Not in GZIP format"
    * [HIVE-2581] - explain task: getJSONPlan throws a NPE if the ast is null
    * [HIVE-2583] - bug in ivy 2.2.0 breaks build
    * [HIVE-2588] - Update arcconfig to include commit listener
    * [HIVE-2590] - HBase bulk load wiki page improvements
    * [HIVE-2598] - Update README.txt file to use description from wiki
    * [HIVE-2613] - HiveCli eclipse launch configuration hangs
    * [HIVE-2622] - Hive POMs reference the wrong Hadoop artifacts
    * [HIVE-2624] - Fix eclipse classpath template broken in HIVE-2523
    * [HIVE-2625] - Fix maven-build Ant target
    * [HIVE-2630] - TestHiveServer doesn't produce a JUnit report file
    * [HIVE-2634] - revert HIVE-2566
    * [HIVE-2643] - Recent patch prevents Hadoop confs from loading in 0.20.204

** Improvement
    * [HIVE-1078] - CREATE VIEW followup:  CREATE OR REPLACE
    * [HIVE-1360] - Allow UDFs to access constant parameter values at compile time
    * [HIVE-1567] - increase hive.mapjoin.maxsize to 10 million
    * [HIVE-1644] - use filter pushdown for automatically accessing indexes
    * [HIVE-1690] - HivePreparedStatement.executeImmediate(String sql) is breaking the exception stack
    * [HIVE-1731] - Improve miscellaneous error messages
    * [HIVE-1740] - support NOT IN and NOT LIKE syntax
    * [HIVE-1741] - HiveInputFormat.readFields should print the cause when there's an exception
    * [HIVE-1784] - Ctrl+c should kill currently running query, but not exit the CLI
    * [HIVE-1815] - The class HiveResultSet should implement batch fetching.
    * [HIVE-1833] - Task-cleanup task should be disabled
    * [HIVE-1887] - HIVE-78 Followup: group partitions by tables when do authorizations and there is no partition level privilege
    * [HIVE-1916] - Change Default Alias For Aggregated Columns (_c1)
    * [HIVE-1966] - mapjoin operator should not load hashtable for each new inputfile if the hashtable to be loaded is already there.
    * [HIVE-1989] - recognize transitivity of predicates on join keys
    * [HIVE-1991] - Hive Shell to output number of mappers and number of reducers
    * [HIVE-1994] - Support new annotation @UDFType(stateful = true)
    * [HIVE-2000] - adding comments to Hive Stats JDBC queries 
    * [HIVE-2002] - Expand exceptions caught for metastore operations
    * [HIVE-2018] - avoid loading Hive aux jars in CLI remote mode
    * [HIVE-2020] - Create a separate namespace for Hive variables
    * [HIVE-2028] - Performance instruments for client side execution
    * [HIVE-2030] - isEmptyPath() to use ContentSummary cache
    * [HIVE-2035] - Use block-level merge for RCFile if merging intermediate results are needed
    * [HIVE-2036] - Update bitmap indexes for automatic usage
    * [HIVE-2038] - Metastore listener
    * [HIVE-2039] - remove hadoop version check from hive cli shell script
    * [HIVE-2051] - getInputSummary() to call FileSystem.getContentSummary() in parallel
    * [HIVE-2052] - PostHook and PreHook API to add flag to indicate it is pre or post hook plus cache for content summary
    * [HIVE-2056] - Generate single MR job for multi groupby query if hive.multigroupby.singlemr is enabled.
    * [HIVE-2068] - Speed up query "select xx,xx from xxx LIMIT xxx" if no filtering or aggregation
    * [HIVE-2070] - SHOW GRANT grantTime field should be a human-readable timestamp
    * [HIVE-2082] - Reduce memory consumption in preparing MapReduce job
    * [HIVE-2106] - Increase the number of operator counter 
    * [HIVE-2109] - No lock for some non-mapred tasks config variable hive.lock.mapred.only.operation added
    * [HIVE-2119] - Optimizer on partition field
    * [HIVE-2126] - Hive's symlink text input format should be able to work with ComineHiveInputFormat
    * [HIVE-2127] - Improve stats gathering reliability by retries on failures with hive.stats.retries.max and hive.stats.retries.wait
    * [HIVE-2128] - Automatic Indexing with multiple tables
    * [HIVE-2133] - DROP TABLE IF EXISTS should not fail if a view of that name exists
    * [HIVE-2134] - Remove System.exit 
    * [HIVE-2139] - Enables HiveServer to accept -hiveconf option
    * [HIVE-2144] - reduce workload generated by JDBCStatsPublisher
    * [HIVE-2147] - Add api to send / receive message to metastore
    * [HIVE-2148] - Add interface classification in Hive.
    * [HIVE-2154] - add exception handling to hive's record reader 
    * [HIVE-2155] - Improve error messages emitted during semantic analysis
    * [HIVE-2156] - Improve error messages emitted during task execution
    * [HIVE-2171] - Allow custom serdes to set field comments
    * [HIVE-2191] - Allow optional [inner] on equi-join.
    * [HIVE-2194] - Add actions for alter table and alter partition events for metastore event listeners
    * [HIVE-2201] - reduce name node calls in hive by creating temporary directories
    * [HIVE-2208] - create a new API in Warehouse where the root directory is specified
    * [HIVE-2209] - Provide a way by which ObjectInspectorUtils.compare can be extended by the caller for comparing maps which are part of the object
    * [HIVE-2210] - ALTER VIEW RENAME
    * [HIVE-2213] - Optimize partial specification metastore functions
    * [HIVE-2217] - add Query text for debugging in lock data
    * [HIVE-2218] - speedup addInputPaths
    * [HIVE-2219] - Make "alter table drop partition" more efficient
    * [HIVE-2221] - Provide metastore upgarde script for HIVE-2215
    * [HIVE-2224] - Ability to add partitions atomically
    * [HIVE-2226] - Add API to retrieve table names by an arbitrary filter, e.g., by owner, retention, parameters, etc.
    * [HIVE-2233] - Show current database in hive prompt
    * [HIVE-2245] - Make CombineHiveInputFormat the default hive.input.format
    * [HIVE-2246] - Dedupe tables' column schemas from partitions in the metastore db
    * [HIVE-2252] - Display a sample of partitions created when Fatal Error occurred due to too many partitioned created
    * [HIVE-2256] - Better error message in CLI on invalid column name
    * [HIVE-2282] - Local mode needs to work well with block sampling
    * [HIVE-2284] - bucketized map join should allow join key as a superset of bucketized columns
    * [HIVE-2290] - Improve error messages for DESCRIBE command
    * [HIVE-2299] - Optimize Hive query startup time for multiple partitions
    * [HIVE-2346] - Add hooks to run when execution fails.
    * [HIVE-2347] - Make Hadoop Job ID available after task finishes executing
    * [HIVE-2350] - Improve RCFile Read Speed
    * [HIVE-2354] - Support automatic rebuilding of indexes when they go stale
    * [HIVE-2364] - Make performance logging configurable.
    * [HIVE-2370] - Improve RCFileCat performance significantly
    * [HIVE-2378] - Warn user that precision is lost when bigint is implicitly cast to double.
    * [HIVE-2385] - Local Mode can be more aggressive if LIMIT optimization is on
    * [HIVE-2396] - RCFileReader Buffer Reuse
    * [HIVE-2404] - Allow RCFile Reader to tolerate corruptions
    * [HIVE-2440] - make hive mapper initialize faster when having tons of input files
    * [HIVE-2445] - The PerfLogger should log the full name of hooks, not just the simple name.
    * [HIVE-2446] - Introduction of client statistics publishers possibility
    * [HIVE-2447] - Add job ID to MapRedStats
    * [HIVE-2448] - Upgrade JavaEWAH to 0.3
    * [HIVE-2450] - move lock retry logic into ZooKeeperHiveLockManager
    * [HIVE-2453] - Need a way to categorize queries in hooks for improved logging
    * [HIVE-2456] - JDBCStatsAggregator DELETE STATEMENT should escape _ and %
    * [HIVE-2457] - Files in Avro-backed Hive tables do not have a ".avro" extension
    * [HIVE-2458] - Group-by query optimization Followup: add flag in conf/hive-default.xml
    * [HIVE-2461] - Add method to PerfLogger to perform cleanup/final steps.
    * [HIVE-2462] - make INNER a non-reserved keyword
    * [HIVE-2467] - HA Support for Metastore Server 
    * [HIVE-2470] - Improve support for Constant Object Inspectors
    * [HIVE-2479] - Log more Hadoop task counter values in the MapRedStats class.
    * [HIVE-2484] - Enable ALTER TABLE SET SERDE to work on partition level
    * [HIVE-2505] - Update junit jar in testlibs
    * [HIVE-2506] - Get ConstantObjectInspectors working in UDAFs
    * [HIVE-2515] - Make Constant OIs work with UDTFs.
    * [HIVE-2523] - add a new builtins subproject
    * [HIVE-2527] - Consecutive string literals should be combined into a single string literal.
    * [HIVE-2535] - Use sorted nature of compact indexes
    * [HIVE-2545] - Make metastore log4j configuration file configurable again.
    * [HIVE-2546] - add explain formatted
    * [HIVE-2553] - Use hashing instead of list traversal for IN operator for primitive types
    * [HIVE-2566] - reduce the number map-reduce jobs for union all
    * [HIVE-2569] - Too much debugging info on console if a job failed
    * [HIVE-2593] - avoid referencing /tmp in tests
    * [HIVE-2605] - Setting no_drop on a table should cascade to child partitions
    * [HIVE-2607] - Add caching to json_tuple
    * [HIVE-2619] - Add hook to run in metastore's endFunction which can collect more fb303 counters

** Task
    * [HIVE-1095] - Hive in Maven
    * [HIVE-2076] - Provide Metastore upgrade scripts and default schemas for PostgreSQL
    * [HIVE-2161] - Remaining patch for HIVE-2148
    * [HIVE-2239] - Use the version commons-codec from Hadoop
    * [HIVE-2376] - Upgrade Hive's Thrift dependency to version 0.7.0
    * [HIVE-2441] - Metastore upgrade scripts for schema change introduced in HIVE-2215
    * [HIVE-2442] - Metastore upgrade script and schema DDL for Hive 0.8.0
    * [HIVE-2468] - Make Hive compile against Hadoop 0.23
    * [HIVE-2491] - Add pdk, hbase-handler etc as source dir in eclipse
    * [HIVE-2521] - Update wiki links in README file
    * [HIVE-2552] - Omit incomplete Postgres upgrade scripts from release tarball

** Sub-task
    * [HIVE-559] - Support JDBC ResultSetMetadata
    * [HIVE-1983] - Bundle Log4j configuration files in Hive JARs
    * [HIVE-2049] - Push down partition pruning to JDO filtering for a subset of partition predicates
    * [HIVE-2050] - batch processing partition pruning process
    * [HIVE-2114] - Backward incompatibility introduced from HIVE-2082 in MetaStoreUtils.getPartSchemaFromTableSchema()
    * [HIVE-2118] - Partition Pruning bug in the case of hive.mapred.mode=nonstrict
    * [HIVE-2140] - Return correct Major / Minor version numbers for Hive Driver
    * [HIVE-2158] - add the HivePreparedStatement implementation based on current HIVE supported data-type
    * [HIVE-2434] - add a TM to Hive logo image
    * [HIVE-2435] - Update project naming and description in Hive wiki
    * [HIVE-2436] - Update project naming and description in Hive website
    * [HIVE-2437] - update project website navigation links
    * [HIVE-2438] - add trademark attributions to Hive homepage
    * [HIVE-2476] - Update project description and wiki link in ivy.xml files

** Test
    * [HIVE-2426] - Test that views with joins work properly
    * [HIVE-2493] - TestLazySimpleSerde fails randomly
    * [HIVE-2513] - create a test to verify that partition pruning works for partitioned views with a union

** Wish
    * [HIVE-243] - ^C breaks out of running query, but not whole CLI


Release Notes - Hive - Version 0.7.0

** New Feature
    * [HIVE-78] - Authorization infrastructure for Hive
    * [HIVE-417] - Implement Indexing in Hive
    * [HIVE-471] - Add reflect() UDF for reflective invocation of Java methods
    * [HIVE-537] - Hive TypeInfo/ObjectInspector to support union (besides struct, array, and map)
    * [HIVE-842] - Authentication Infrastructure for Hive
    * [HIVE-1096] - Hive Variables
    * [HIVE-1293] - Concurrency Model for Hive
    * [HIVE-1304] - add row_sequence UDF
    * [HIVE-1405] - hive command line option -i to run an init file before other SQL commands
    * [HIVE-1408] - add option to let hive automatically run in local mode based on tunable heuristics
    * [HIVE-1413] - bring a table/partition offline
    * [HIVE-1438] - sentences() UDF for natural language tokenization
    * [HIVE-1481] - ngrams() UDAF for estimating top-k n-gram frequencies
    * [HIVE-1514] - Be able to modify a partition's fileformat and file location information.
    * [HIVE-1518] - context_ngrams() UDAF for estimating top-k contextual n-grams
    * [HIVE-1528] - Add json_tuple() UDTF function
    * [HIVE-1529] - Add ANSI SQL covariance aggregate functions: covar_pop and covar_samp.
    * [HIVE-1549] - Add ANSI SQL correlation aggregate function CORR(X,Y).
    * [HIVE-1609] - Support partition filtering in metastore
    * [HIVE-1624] - Patch to allows scripts in S3 location
    * [HIVE-1636] - Implement "SHOW TABLES {FROM | IN} db_name"
    * [HIVE-1659] - parse_url_tuple: a UDTF version of parse_url
    * [HIVE-1661] - Default values for parameters
    * [HIVE-1779] - Implement GenericUDF str_to_map
    * [HIVE-1790] - Patch to support HAVING clause in Hive
    * [HIVE-1792] - track the joins which are being converted to map-join automatically
    * [HIVE-1818] - Call frequency and duration metrics for HiveMetaStore via jmx
    * [HIVE-1819] - maintain lastAccessTime in the metastore
    * [HIVE-1820] - Make Hive database data center aware
    * [HIVE-1827] - Add a new local mode flag in Task.
    * [HIVE-1835] - Better auto-complete for Hive
    * [HIVE-1840] - Support ALTER DATABASE to change database properties
    * [HIVE-1856] - Implement DROP TABLE/VIEW ... IF EXISTS
    * [HIVE-1858] - Implement DROP {PARTITION, INDEX, TEMPORARY FUNCTION} IF EXISTS
    * [HIVE-1881] - Make the MetaStore filesystem interface pluggable via the hive.metastore.fs.handler.class configuration property
    * [HIVE-1889] - add an option (hive.index.compact.file.ignore.hdfs) to ignore HDFS location stored in index files.
    * [HIVE-1971] - Verbose/echo mode for the Hive CLI

** Improvement
    * [HIVE-138] - Provide option to export a HEADER
    * [HIVE-474] - Support for distinct selection on two or more columns
    * [HIVE-558] - describe extended table/partition output is cryptic
    * [HIVE-1126] - Missing some Jdbc functionality like getTables getColumns and HiveResultSet.get* methods based on column name.
    * [HIVE-1211] - Tapping logs from child processes
    * [HIVE-1226] - support filter pushdown against non-native tables
    * [HIVE-1229] - replace dependencies on HBase deprecated API
    * [HIVE-1235] - use Ivy for fetching HBase dependencies
    * [HIVE-1264] - Make Hive work with Hadoop security
    * [HIVE-1378] - Return value for map, array, and struct needs to return a string
    * [HIVE-1394] - do not update transient_lastDdlTime if the partition is modified by a housekeeping operation
    * [HIVE-1414] - automatically invoke .hiverc init script
    * [HIVE-1415] - add CLI command for executing a SQL script
    * [HIVE-1430] - serializing/deserializing the query plan is useless and expensive
    * [HIVE-1441] - Extend ivy offline mode to cover metastore downloads
    * [HIVE-1443] - Add support to turn off bucketing with ALTER TABLE
    * [HIVE-1447] - Speed up reflection method calls in GenericUDFBridge and GenericUDAFBridge
    * [HIVE-1456] - potentail NullPointerException
    * [HIVE-1463] - hive output file names are unnecessarily large
    * [HIVE-1469] - replace isArray() calls and remove LOG.isInfoEnabled() in Operator.forward()
    * [HIVE-1495] - supply correct information to hooks and lineage for index rebuild
    * [HIVE-1497] - support COMMENT clause on CREATE INDEX, and add new command for SHOW INDEXES
    * [HIVE-1498] - support IDXPROPERTIES on CREATE INDEX
    * [HIVE-1512] - Need to get hive_hbase-handler to work with hbase versions 0.20.4 0.20.5 and cloudera CDH3 version
    * [HIVE-1513] - hive starter scripts should load admin/user supplied script for configurability
    * [HIVE-1517] - ability to select across a database
    * [HIVE-1533] - Use ZooKeeper from maven
    * [HIVE-1536] - Add support for JDBC PreparedStatements
    * [HIVE-1546] - Ability to plug custom Semantic Analyzers for Hive Grammar
    * [HIVE-1581] - CompactIndexInputFormat should create split only for files in the index output file.
    * [HIVE-1605] - regression and improvements in handling NULLs in joins
    * [HIVE-1611] - Add alternative search-provider to Hive site
    * [HIVE-1616] - Add ProtocolBuffersStructObjectInspector
    * [HIVE-1617] - ScriptOperator's AutoProgressor can lead to an infinite loop
    * [HIVE-1622] - Use CombineHiveInputFormat for the merge job if hive.merge.mapredfiles=true
    * [HIVE-1638] - convert commonly used udfs to generic udfs
    * [HIVE-1641] - add map joined table to distributed cache
    * [HIVE-1642] - Convert join queries to map-join based on size of table/row
    * [HIVE-1645] - ability to specify parent directory for zookeeper lock manager
    * [HIVE-1655] - Adding consistency check at jobClose() when committing dynamic partitions
    * [HIVE-1660] - Change get_partitions_ps to pass partition filter to database
    * [HIVE-1692] - FetchOperator.getInputFormatFromCache hides causal exception
    * [HIVE-1701] - drop support for pre-0.20 Hadoop versions
    * [HIVE-1704] - remove Hadoop 0.17 specific test reference logs
    * [HIVE-1738] - Optimize Key Comparison in GroupByOperator
    * [HIVE-1743] - Group-by to determine equals of Keys in reverse order
    * [HIVE-1746] - Support for using ALTER to set IDXPROPERTIES
    * [HIVE-1749] - ExecMapper and ExecReducer: reduce function calls to l4j.isInfoEnabled()
    * [HIVE-1750] - Remove Partition Filtering Conditions when Possible
    * [HIVE-1751] - Optimize ColumnarStructObjectInspector.getStructFieldData()
    * [HIVE-1754] - Remove JDBM component from Map Join
    * [HIVE-1757] - test cleanup for Hive-1641
    * [HIVE-1758] - optimize group by hash map memory
    * [HIVE-1761] - Support show locks for a particular table
    * [HIVE-1765] - Add queryid while locking
    * [HIVE-1768] - Update transident_lastDdlTime only if not specified
    * [HIVE-1782] - add more debug information for hive locking
    * [HIVE-1783] - CommonJoinOperator optimize the case of 1:1 join
    * [HIVE-1785] - change Pre/Post Query Hooks to take in 1 parameter: HookContext
    * [HIVE-1786] - Improve documentation for str_to_map() UDF
    * [HIVE-1787] - optimize the code path when there are no outer joins
    * [HIVE-1796] - dumps time at which lock was taken along with the queryid in show locks <T> extended
    * [HIVE-1797] - Compressed the hashtable dump file before put into distributed cache
    * [HIVE-1798] - Clear empty files in Hive
    * [HIVE-1801] - HiveInputFormat or CombineHiveInputFormat always sync blocks of RCFile twice
    * [HIVE-1811] - Show the time the local task takes
    * [HIVE-1824] - create a new ZooKeeper instance when retrying lock, and more info for debug
    * [HIVE-1831] - Add a option to run task to check map-join possibility in non-local mode
    * [HIVE-1834] - more debugging for locking
    * [HIVE-1843] - add an option in dynamic partition inserts to throw an error if 0 partitions are created
    * [HIVE-1852] - Reduce unnecessary DFSClient.rename() calls
    * [HIVE-1855] - Include Process ID in the log4j log file name
    * [HIVE-1865] - redo zookeeper hive lock manager
    * [HIVE-1899] - add a factory method for creating a synchronized wrapper for IMetaStoreClient
    * [HIVE-1900] - a mapper should be able to span multiple partitions
    * [HIVE-1907] - Store jobid in ExecDriver
    * [HIVE-1910] - Provide config parameters to control cache object pinning
    * [HIVE-1923] - Allow any type of stats publisher and aggregator in addition to HBase and JDBC
    * [HIVE-1929] - Find a way to disable owner grants
    * [HIVE-1931] - Improve the implementation of the METASTORE_CACHE_PINOBJTYPES config
    * [HIVE-1948] - Have audit logging in the Metastore
    * [HIVE-1956] - "Provide DFS initialization script for Hive
    * [HIVE-1961] - Make Stats gathering more flexible with timeout and atomicity
    * [HIVE-1962] - make a libthrift.jar and libfb303.jar in dist package for backward compatibility
    * [HIVE-1970] - Modify build to run all tests regardless of subproject failures
    * [HIVE-1978] - Hive SymlinkTextInputFormat does not estimate input size correctly

** Bug
    * [HIVE-307] - "LOAD DATA LOCAL INPATH" fails when the table already contains a file of the same name
    * [HIVE-741] - NULL is not handled correctly in join
    * [HIVE-1203] - HiveInputFormat.getInputFormatFromCache "swallows" cause exception when throwing IOExcpetion
    * [HIVE-1305] - add progress in join and groupby
    * [HIVE-1376] - Simple UDAFs with more than 1 parameter crash on empty row query
    * [HIVE-1385] - UDF field() doesn't work
    * [HIVE-1416] - Dynamic partition inserts left empty files uncleaned in hadoop 0.17 local mode
    * [HIVE-1422] - skip counter update when RunningJob.getCounters() returns null
    * [HIVE-1440] - FetchOperator(mapjoin) does not work with RCFile
    * [HIVE-1448] - bug in 'set fileformat'
    * [HIVE-1453] - Make Eclipse launch templates auto-adjust to Hive version number changes
    * [HIVE-1462] - Reporting progress in FileSinkOperator works in multiple directory case
    * [HIVE-1465] - hive-site.xml ${user.name} not replaced for local-file derby metastore connection URL
    * [HIVE-1470] - percentile_approx() fails with more than 1 reducer
    * [HIVE-1471] - CTAS should unescape the column name in the select-clause.
    * [HIVE-1473] - plan file should have a high replication factor
    * [HIVE-1475] - .gitignore files being placed in test warehouse directories causing build failure
    * [HIVE-1489] - TestCliDriver -Doverwrite=true does not put the file in the correct directory
    * [HIVE-1491] - fix or disable loadpart_err.q
    * [HIVE-1494] - Index followup: remove sort by clause and fix a bug in collect_set udaf
    * [HIVE-1501] - when generating reentrant INSERT for index rebuild, quote identifiers using backticks
    * [HIVE-1508] - Add cleanup method to HiveHistory class
    * [HIVE-1509] - Monitor the working set of the number of files
    * [HIVE-1510] - HiveCombineInputFormat should not use prefix matching to find the partitionDesc for a given path
    * [HIVE-1520] - hive.mapred.local.mem should only be used in case of local mode job submissions
    * [HIVE-1523] - ql tests no longer work in miniMR mode
    * [HIVE-1532] - Replace globStatus with listStatus inside Hive.java's replaceFiles.
    * [HIVE-1534] - Join filters do not work correctly with outer joins
    * [HIVE-1535] - alter partition should throw exception if the specified partition does not exist.
    * [HIVE-1547] - Unarchiving operation throws NPE
    * [HIVE-1548] - populate inputs and outputs for all statements
    * [HIVE-1556] - Fix TestContribCliDriver test
    * [HIVE-1561] - smb_mapjoin_8.q returns different results in miniMr mode
    * [HIVE-1563] - HBase tests broken
    * [HIVE-1564] - bucketizedhiveinputformat.q fails in minimr mode
    * [HIVE-1570] - referencing an added file by it's name in a transform script does not work in hive local mode
    * [HIVE-1578] - Add conf. property hive.exec.show.job.failure.debug.info to enable/disable displaying link to the task with most failures
    * [HIVE-1580] - cleanup ExecDriver.progress
    * [HIVE-1583] - Hive should not override Hadoop specific system properties
    * [HIVE-1584] - wrong log files in contrib client positive
    * [HIVE-1589] - Add HBase/ZK JARs to Eclipse classpath
    * [HIVE-1593] - udtf_explode.q is an empty file
    * [HIVE-1598] - use SequenceFile rather than TextFile format for hive query results
    * [HIVE-1600] - need to sort hook input/output lists for test result determinism
    * [HIVE-1601] - Hadoop 0.17 ant test broken by HIVE-1523
    * [HIVE-1606] - For a null value in a string column, JDBC driver returns the string "NULL"
    * [HIVE-1607] - Reinstate and deprecate IMetaStoreClient methods removed in HIVE-675
    * [HIVE-1614] - UDTF json_tuple should return null row when input is not a valid JSON string
    * [HIVE-1628] - Fix Base64TextInputFormat to be compatible with commons codec 1.4
    * [HIVE-1629] - Patch to fix hashCode method in DoubleWritable class
    * [HIVE-1630] - bug in NO_DROP
    * [HIVE-1633] - CombineHiveInputFormat fails with "cannot find dir for emptyFile"
    * [HIVE-1639] - ExecDriver.addInputPaths() error if partition name contains a comma
    * [HIVE-1647] - Incorrect initialization of thread local variable inside IOContext ( implementation is not threadsafe )
    * [HIVE-1650] - TestContribNegativeCliDriver fails
    * [HIVE-1656] - All TestJdbcDriver test cases fail in Eclipse unless a property is added in run config
    * [HIVE-1657] - join results are displayed wrongly for some complex joins using select *
    * [HIVE-1658] - Fix describe     * [extended] column formatting
    * [HIVE-1663] - ql/src/java/org/apache/hadoop/hive/ql/parse/SamplePruner.java is empty
    * [HIVE-1664] - Eclipse build broken
    * [HIVE-1670] - MapJoin throws EOFExeption when the mapjoined table has 0 column selected
    * [HIVE-1671] - multithreading on Context.pathToCS
    * [HIVE-1673] - Create table bug causes the row format property lost when serde is specified.
    * [HIVE-1674] - count(*) returns wrong result when a mapper returns empty results
    * [HIVE-1678] - NPE in MapJoin
    * [HIVE-1688] - In the MapJoinOperator, the code uses tag as alias, which is not always true
    * [HIVE-1691] - ANALYZE TABLE command should check columns in partition spec
    * [HIVE-1699] - incorrect partition pruning ANALYZE TABLE
    * [HIVE-1707] - bug when different partitions are present in different dfs
    * [HIVE-1711] - CREATE TABLE LIKE should not set stats in the new table
    * [HIVE-1712] - Migrating metadata from derby to mysql thrown NullPointerException
    * [HIVE-1713] - duplicated MapRedTask in Multi-table inserts mixed with FileSinkOperator and ReduceSinkOperator
    * [HIVE-1716] - make TestHBaseCliDriver use dynamic ports to avoid conflicts with already-running services
    * [HIVE-1717] - ant clean should delete stats database
    * [HIVE-1720] - hbase_stats.q is failing
    * [HIVE-1737] - Two Bugs for Estimating Row Sizes in GroupByOperator
    * [HIVE-1742] - Fix Eclipse templates (and use Ivy metadata to generate Eclipse library dependencies)
    * [HIVE-1748] - Statistics broken for tables with size in excess of Integer.MAX_VALUE
    * [HIVE-1753] - HIVE 1633 hit for Stage2 jobs with CombineHiveInputFormat
    * [HIVE-1756] - failures in fatal.q in TestNegativeCliDriver
    * [HIVE-1759] - Many important broken links on Hive web page
    * [HIVE-1760] - Mismatched open/commit transaction calls in case of connection retry
    * [HIVE-1767] - Merge files does not work with dynamic partition
    * [HIVE-1769] - pcr.q output is non-deterministic
    * [HIVE-1771] - ROUND(infinity) chokes
    * [HIVE-1775] - Assertation on inputObjInspectors.length in Groupy operator
    * [HIVE-1776] - parallel execution and auto-local mode combine to place plan file in wrong file system
    * [HIVE-1777] - Outdated comments for GenericUDTF.close()
    * [HIVE-1780] - Typo in hive-default.xml
    * [HIVE-1781] - outputs not populated for dynamic partitions at compile time
    * [HIVE-1794] - GenericUDFOr and GenericUDFAnd cannot receive boolean typed object
    * [HIVE-1795] - outputs not correctly populated for alter table
    * [HIVE-1804] - Mapjoin will fail if there are no files associating with the join tables
    * [HIVE-1806] - The merge criteria on dynamic partitons should be per partiton
    * [HIVE-1807] - No Element found exception in BucketMapJoinOptimizer
    * [HIVE-1808] - bug in auto_join25.q
    * [HIVE-1809] - Hive comparison operators are broken for NaN values
    * [HIVE-1812] - spurious rmr failure messages when inserting with dynamic partitioning
    * [HIVE-1828] - show locks should not use getTable()/getPartition
    * [HIVE-1829] - Fix intermittent failures in TestRemoteMetaStore
    * [HIVE-1830] - mappers in group followed by joins may die OOM
    * [HIVE-1844] - Hanging hive client caused by TaskRunner's OutOfMemoryError
    * [HIVE-1845] - Some attributes in the Eclipse template file is deprecated
    * [HIVE-1846] - change hive assumption that local mode mappers/reducers always run in same jvm
    * [HIVE-1848] - bug in MAPJOIN
    * [HIVE-1849] - add more logging to partition pruning
    * [HIVE-1853] - downgrade JDO version
    * [HIVE-1854] - Temporarily disable metastore tests for listPartitionsByFilter()
    * [HIVE-1857] - mixed case tablename on lefthand side of LATERAL VIEW results in query failing with confusing error message
    * [HIVE-1860] - Hive's smallint datatype is not supported by the Hive JDBC driver
    * [HIVE-1861] - Hive's float datatype is not supported by the Hive JDBC driver
    * [HIVE-1862] - Revive partition filtering in the Hive MetaStore
    * [HIVE-1863] - Boolean columns in Hive tables containing NULL are treated as FALSE by the Hive JDBC driver.
    * [HIVE-1864] - test load_overwrite.q fails
    * [HIVE-1867] - Add mechanism for disabling tests with intermittent failures
    * [HIVE-1870] - TestRemoteHiveMetaStore.java accidentally deleted during commit of HIVE-1845
    * [HIVE-1871] - bug introduced by HIVE-1806
    * [HIVE-1873] - Fix 'tar' build target broken in HIVE-1526
    * [HIVE-1874] - fix HBase filter pushdown broken by HIVE-1638
    * [HIVE-1878] - Set the version of Hive trunk to '0.7.0-SNAPSHOT' to avoid confusing it with a release
    * [HIVE-1896] - HBase and Contrib JAR names are missing version numbers
    * [HIVE-1897] - Alter command execution "when HDFS is down" results in holding stale data in MetaStore
    * [HIVE-1902] - create script for the metastore upgrade due to HIVE-78
    * [HIVE-1903] - Can't join HBase tables if one's name is the beginning of the other
    * [HIVE-1908] - FileHandler leak on partial iteration of the resultset.
    * [HIVE-1912] - Double escaping special chars when removing old partitions in rmr
    * [HIVE-1913] - use partition level serde properties
    * [HIVE-1914] - failures in testhbaseclidriver
    * [HIVE-1915] - authorization on database level is broken.
    * [HIVE-1917] - CTAS (create-table-as-select) throws exception when showing results
    * [HIVE-1927] - Fix TestHadoop20SAuthBridge failure on Hudson
    * [HIVE-1928] - GRANT/REVOKE should handle privileges as tokens, not identifiers
    * [HIVE-1934] - alter table rename messes the location
    * [HIVE-1936] - hive.semantic.analyzer.hook cannot have multiple values
    * [HIVE-1939] - Fix test failure in TestContribCliDriver/url_hook.q
    * [HIVE-1944] - dynamic partition insert creating different directories for the same partition during merge
    * [HIVE-1951] - input16_cc.q is failing in testminimrclidriver
    * [HIVE-1952] - fix some outputs and make some tests deterministic
    * [HIVE-1964] - add fully deterministic ORDER BY in test union22.q and input40.q
    * [HIVE-1969] - TestMinimrCliDriver merge_dynamic_partition2 and 3 are failing on trunk
    * [HIVE-1979] - fix hbase_bulk.m by setting HiveInputFormat
    * [HIVE-1981] - TestHadoop20SAuthBridge failed on current trunk
    * [HIVE-1995] - Mismatched open/commit transaction calls when using get_partition()
    * [HIVE-1998] - Update README.txt and add missing ASF headers
    * [HIVE-2007] - Executing queries using Hive Server is not logging to the log file specified in hive-log4j.properties
    * [HIVE-2010] - Improve naming and README files for MetaStore upgrade scripts
    * [HIVE-2011] - upgrade-0.6.0.mysql.sql script attempts to increase size of PK COLUMNS.TYPE_NAME to 4000
    * [HIVE-2059] - Add datanucleus.identifierFactory property to HiveConf to avoid unintentional MetaStore Schema corruption
    * [HIVE-2064] - Make call to SecurityUtil.getServerPrincipal unambiguous

** Sub-task
    * [HIVE-1361] - table/partition level statistics
    * [HIVE-1696] - Add delegation token support to metastore
    * [HIVE-1810] - a followup patch for changing the description of hive.exec.pre/post.hooks in conf/hive-default.xml
    * [HIVE-1823] - upgrade the database thrift interface to allow parameters key-value pairs
    * [HIVE-1836] - Extend the CREATE DATABASE command with DBPROPERTIES
    * [HIVE-1842] - Add the local flag to all the map red tasks, if the query is running locally.

** Task
    * [HIVE-1526] - Hive should depend on a release version of Thrift
    * [HIVE-1817] - Remove Hive dependency on unreleased commons-cli 2.0 Snapshot
    * [HIVE-1876] - Update Metastore upgrade scripts to handle schema changes introduced in HIVE-1413
    * [HIVE-1882] - Remove CHANGES.txt
    * [HIVE-1904] - Create MetaStore schema upgrade scripts for changes made in HIVE-417
    * [HIVE-1905] - Provide MetaStore schema upgrade scripts for changes made in HIVE-1823

** Test
    * [HIVE-1464] - improve test query performance
    * [HIVE-1755] - JDBM diff in test caused by Hive-1641
    * [HIVE-1774] - merge_dynamic_part's result is not deterministic
    * [HIVE-1942] - change the value of hive.input.format to CombineHiveInputFormat for tests


Release Notes - Hive - Version 0.6.0

** New Feature
    * [HIVE-259] - Add PERCENTILE aggregate function
    * [HIVE-675] - add database/schema support Hive QL
    * [HIVE-705] - Hive HBase Integration (umbrella)
    * [HIVE-801] - row-wise IN would be useful
    * [HIVE-862] - CommandProcessor should return DriverResponse
    * [HIVE-894] - add udaf max_n, min_n to contrib
    * [HIVE-917] - Bucketed Map Join
    * [HIVE-972] - support views
    * [HIVE-1002] - multi-partition inserts
    * [HIVE-1027] - Create UDFs for XPath expression evaluation
    * [HIVE-1032] - Better Error Messages for Execution Errors
    * [HIVE-1087] - Let user script write out binary data into a table
    * [HIVE-1121] - CombinedHiveInputFormat for hadoop 19
    * [HIVE-1127] - Add UDF to create struct
    * [HIVE-1131] - Add column lineage information to the pre execution hooks
    * [HIVE-1132] - Add metastore API method to get partition by name
    * [HIVE-1134] - bucketing mapjoin where the big table contains more than 1 big partition
    * [HIVE-1178] - enforce bucketing for a table
    * [HIVE-1179] - Add UDF array_contains
    * [HIVE-1193] - ensure sorting properties for a table
    * [HIVE-1194] - sorted merge join
    * [HIVE-1197] - create a new input format where a mapper spans a file
    * [HIVE-1219] - More robust handling of metastore connection failures
    * [HIVE-1238] - Get  partitions with a partial specification
    * [HIVE-1255] - Add mathematical UDFs PI, E, degrees, radians, tan, sign, and atan
    * [HIVE-1270] - Thread pool size in Thrift metastore server should be configurable
    * [HIVE-1272] - Add SymlinkTextInputFormat to Hive
    * [HIVE-1278] - Partition name to values conversion conversion method
    * [HIVE-1307] - More generic and efficient merge method
    * [HIVE-1332] - Archiving partitions
    * [HIVE-1351] - Tool to cat rcfiles
    * [HIVE-1397] - histogram() UDAF for a numerical column
    * [HIVE-1401] - Web Interface can ony browse default
    * [HIVE-1410] - Add TCP keepalive option for the metastore server
    * [HIVE-1439] - Alter the number of buckets for a table


** Bug
    * [HIVE-287] - support count(*) and count distinct on multiple columns
    * [HIVE-763] - getSchema returns invalid column names, getThriftSchema does not return old style string schemas
    * [HIVE-1011] - GenericUDTFExplode() throws NPE when given nulls
    * [HIVE-1022] - desc Table should work
    * [HIVE-1029] - typedbytes does not support nulls
    * [HIVE-1042] - function in a transform with more than 1 argument fails
    * [HIVE-1056] - Predicate push down does not work with UDTF's
    * [HIVE-1064] - NPE when operating HiveCLI in distributed mode
    * [HIVE-1066] - TestContribCliDriver failure in serde_typedbytes.q, serde_typedbytes2.q, and serde_typedbytes3.q
    * [HIVE-1075] - Make it possible for users to recover data when moveTask fails
    * [HIVE-1085] - ColumnarSerde should not be the default Serde when user specified a fileformat using 'stored as'.
    * [HIVE-1086] - Add "-Doffline=true" option to ant
    * [HIVE-1090] - Skew Join does not work in distributed env.
    * [HIVE-1092] - Conditional task does not increase finished job counter when filter job out.
    * [HIVE-1094] - Disable streaming last table if there is a skew key in previous tables.
    * [HIVE-1116] - bug with alter table rename when table has property EXTERNAL=FALSE
    * [HIVE-1124] - create view should expand the query text consistently
    * [HIVE-1125] - Hive CLI shows 'Ended Job=' at the beginning of the job
    * [HIVE-1129] - Assertion in ExecDriver.execute when assertions are enabled in HADOOP_OPTS
    * [HIVE-1142] - "datanucleus" typos in conf/hive-default.xml
    * [HIVE-1167] - Use TreeMap instead of Property to make explain extended deterministic
    * [HIVE-1174] - Job counter error if "hive.merge.mapfiles" equals true
    * [HIVE-1176] - 'create if not exists' fails for a table name with 'select' in it
    * [HIVE-1184] - Expression Not In Group By Key error is sometimes masked
    * [HIVE-1185] - Fix RCFile resource leak when opening a non-RCFile
    * [HIVE-1195] - Increase ObjectInspector[] length on demand
    * [HIVE-1200] - Fix CombineHiveInputFormat to work with multi-level of directories in a single table/partition
    * [HIVE-1204] - typedbytes: writing to stderr kills the mapper
    * [HIVE-1205] - RowContainer should flush out  dummy rows when the table desc is null
    * [HIVE-1207] - ScriptOperator AutoProgressor does not set the interval
    * [HIVE-1242] - CombineHiveInputFormat does not work for compressed text files
    * [HIVE-1247] - hints cannot be passed to transform statements
    * [HIVE-1252] - Task breaking bug when breaking after a filter operator
    * [HIVE-1253] - date_sub() function returns wrong date because of daylight saving time difference
    * [HIVE-1257] - joins between HBase tables and other tables (whether HBase or not) are broken
    * [HIVE-1258] - set merge files to files when bucketing/sorting is being enforced
    * [HIVE-1261] - ql.metadata.Hive#close() should check for null metaStoreClient
    * [HIVE-1268] - Cannot start metastore thrift server on a specific port
    * [HIVE-1271] - Case sensitiveness of type information specified when using custom reducer causes type mismatch
    * [HIVE-1273] - UDF_Percentile NullPointerException
    * [HIVE-1274] - bug in sort merge join if the big table does not have any row
    * [HIVE-1275] - TestHBaseCliDriver hangs
    * [HIVE-1277] - Select query with specific projection(s) fails if the local file system directory for ${hive.user.scratchdir} does not exist.
    * [HIVE-1280] - problem in combinehiveinputformat with nested directories
    * [HIVE-1281] - Bucketing column names in create table should be case-insensitive
    * [HIVE-1286] - error/info message being emitted on standard output
    * [HIVE-1290] - sort merge join does not work with bucketizedhiveinputformat
    * [HIVE-1291] - Fix UDAFPercentile ndexOutOfBoundsException
    * [HIVE-1294] - HIVE_AUX_JARS_PATH interferes with startup of Hive Web Interface
    * [HIVE-1298] - unit test symlink_text_input_format.q needs ORDER BY for determinism
    * [HIVE-1308] - <boolean> = <boolean> throws NPE
    * [HIVE-1311] - bug is use of hadoop supports splittable
    * [HIVE-1312] - hive trunk does not compile with hadoop 0.17 any more
    * [HIVE-1315] - bucketed sort merge join breaks after dynamic partition insert
    * [HIVE-1317] - CombineHiveInputFormat throws exception when partition name contains special characters to URI
    * [HIVE-1320] - NPE with lineage in a query of union alls on joins.
    * [HIVE-1321] - bugs with temp directories, trailing blank fields in HBase bulk load
    * [HIVE-1322] - Cached FileSystem can lead to persistant IOExceptions
    * [HIVE-1323] - leading dash in partition name is not handled properly
    * [HIVE-1325] - dynamic partition insert should throw an exception if the number of target table columns + dynamic partition columns does not equal to the number of select columns
    * [HIVE-1326] - RowContainer uses hard-coded '/tmp/' path for temporary files
    * [HIVE-1327] - Group by partition column returns wrong results
    * [HIVE-1330] - fatal error check omitted for reducer-side operators
    * [HIVE-1331] - select * does not work if different partitions contain different formats
    * [HIVE-1338] - Fix bin/ext/jar.sh to work with hadoop 0.20 and above
    * [HIVE-1341] - Filter Operator Column Pruning should preserve the column order
    * [HIVE-1345] - TypedBytesSerDe fails to create table with multiple columns.
    * [HIVE-1350] - hive.query.id is not unique 
    * [HIVE-1352] - rcfilecat should use '\t' to separate columns and print '\r\n' at the end of each row.
    * [HIVE-1353] - load_dyn_part*.q tests need ORDER BY for determinism
    * [HIVE-1354] - partition level properties honored if it exists
    * [HIVE-1364] - Increase the maximum length of various metastore fields, and remove TYPE_NAME from COLUMNS primary key
    * [HIVE-1365] - Bug in SMBJoinOperator which may causes a final part  of the results in some cases.
    * [HIVE-1366] - inputFileFormat error if the merge job takes a different input file format than the default output file format
    * [HIVE-1371] - remove blank in rcfilecat
    * [HIVE-1373] - Missing connection pool plugin in Eclipse classpath
    * [HIVE-1377] - getPartitionDescFromPath() in CombineHiveInputFormat should handle matching by path
    * [HIVE-1388] - combinehiveinputformat does not work if files are of different types
    * [HIVE-1403] - Reporting progress to JT during closing files in FileSinkOperator
    * [HIVE-1407] - Add hadoop-*-tools.jar to Eclipse classpath
    * [HIVE-1409] - File format information is retrieved from first partition
    * [HIVE-1411] - DataNucleus throws NucleusException if core-3.1.1 JAR appears more than once on CLASSPATH
    * [HIVE-1412] - CombineHiveInputFormat bug on tablesample
    * [HIVE-1417] - Archived partitions throw error with queries calling getContentSummary
    * [HIVE-1418] - column pruning not working with lateral view
    * [HIVE-1420] - problem with sequence and rcfiles are mixed for null partitions
    * [HIVE-1421] - problem with sequence and rcfiles are mixed for null partitions
    * [HIVE-1425] - hive.task.progress should be added to conf/hive-default.xml
    * [HIVE-1428] - ALTER TABLE ADD PARTITION fails with a remote Thrift metastore
    * [HIVE-1435] - Upgraded naming scheme causes JDO exceptions
    * [HIVE-1448] - bug in 'set fileformat'
    * [HIVE-1454] - insert overwrite and CTAS fail in hive local mode
    * [HIVE-1455] - lateral view does not work with column pruning 
    * [HIVE-1492] - FileSinkOperator should remove duplicated files from the same task based on file sizes
    * [HIVE-1524] - parallel execution failed if mapred.job.name is set
    * [HIVE-1594] - Typo of hive.merge.size.smallfiles.avgsize prevents change of value
    * [HIVE-1613] - hive --service jar looks for hadoop version but was not defined
    * [HIVE-1615] - Web Interface JSP needs Refactoring for removed meta store methods
    * [HIVE-1681] - ObjectStore.commitTransaction() does not properly handle transactions that have already been rolled back
    * [HIVE-1697] - Migration scripts should increase size of PARAM_VALUE in PARTITION_PARAMS

** Improvement
    * [HIVE-543] - provide option to run hive in local mode
    * [HIVE-964] - handle skewed keys for a join in a separate job
    * [HIVE-990] - Incorporate CheckStyle into Hive's build.xml
    * [HIVE-1047] - Merge tasks in GenMRUnion1
    * [HIVE-1068] - CREATE VIEW followup:  add a "table type" enum attribute in metastore's MTable, and also null out irrelevant attributes for MTable instances which describe views
    * [HIVE-1069] - CREATE VIEW followup:  find and document current expected version of thrift, and regenerate code to match
    * [HIVE-1093] - Add a "skew join map join size" variable to control the input size of skew join's following map join job.
    * [HIVE-1102] - make number of concurrent tasks configurable
    * [HIVE-1108] - QueryPlan to be independent from BaseSemanticAnalyzer
    * [HIVE-1109] - Structured temporary directories
    * [HIVE-1110] - add counters to show that skew join triggered
    * [HIVE-1117] - Make QueryPlan serializable
    * [HIVE-1118] - Add hive.merge.size.per.task to HiveConf
    * [HIVE-1119] - Make all Tasks and Works serializable
    * [HIVE-1120] - In ivy offline mode, don't delete downloaded jars
    * [HIVE-1122] - Make ql/metadata/Table and Partition serializable
    * [HIVE-1128] - Let max/min handle complex types like struct
    * [HIVE-1136] - add type-checking setters for HiveConf class to match existing getters
    * [HIVE-1144] - CREATE VIEW followup:  support ALTER TABLE SET TBLPROPERTIES on views
    * [HIVE-1150] - Add comment to explain why we check for dir first in add_partitions().
    * [HIVE-1152] - Add metastore API method to drop partition / append partition by name
    * [HIVE-1164] - drop_partition_by_name() should use drop_partition_common()
    * [HIVE-1190] - Configure build to download Hadoop tarballs from Facebook mirror instead of Apache
    * [HIVE-1198] - When checkstyle is activated for Hive in Eclipse environment, it shows all checkstyle problems as errors.
    * [HIVE-1212] - Explicitly say "Hive Internal Error" to ease debugging
    * [HIVE-1216] - Show the row with error in mapper/reducer
    * [HIVE-1220] - accept TBLPROPERTIES on CREATE TABLE/VIEW
    * [HIVE-1228] - allow HBase key column to be anywhere in Hive table
    * [HIVE-1241] - add pre-drops in bucketmapjoin*.q
    * [HIVE-1244] - add backward-compatibility constructor to HiveMetaStoreClient
    * [HIVE-1246] - mapjoin followed by another mapjoin should be performed in a single query
    * [HIVE-1260] - from_unixtime should implment a overloading function to accept only bigint type
    * [HIVE-1276] - optimize bucketing 
    * [HIVE-1295] - facilitate HBase bulk loads from Hive
    * [HIVE-1296] - CLI set and set -v commands should dump properties in alphabetical order
    * [HIVE-1297] - error message in Hive.checkPaths dumps Java array address instead of path string
    * [HIVE-1300] - support: alter table touch partition
    * [HIVE-1306] - cleanup the jobscratchdir
    * [HIVE-1316] - Increase the memory limit for CLI client
    * [HIVE-1328] - make mapred.input.dir.recursive work for select *
    * [HIVE-1329] - for ALTER TABLE t SET TBLPROPERTIES ('EXTERNAL'='TRUE'), change TBL_TYPE attribute from MANAGED_TABLE to EXTERNAL_TABLE
    * [HIVE-1335] - DataNucleus should use connection pooling
    * [HIVE-1348] - Moving inputFileChanged() from ExecMapper to where it is needed
    * [HIVE-1349] - Do not pull counters of non initialized jobs
    * [HIVE-1355] - Hive should use NullOutputFormat for hadoop jobs
    * [HIVE-1357] - CombineHiveInputSplit should initialize the inputFileFormat once for a single split
    * [HIVE-1372] - New algorithm for variance() UDAF
    * [HIVE-1383] - allow HBase WAL to be disabled
    * [HIVE-1387] - Add PERCENTILE_APPROX which works with double data type
    * [HIVE-1531] - Make Hive build work with Ivy versions < 2.1.0
    * [HIVE-1543] - set abort in ExecMapper when Hive's record reader got an IOException
    * [HIVE-1693] - Make the compile target depend on thrift.home

** Task
    * [HIVE-1081] - Automated source code cleanup
    * [HIVE-1084] - Cleanup Class names
    * [HIVE-1103] - Add .gitignore file
    * [HIVE-1104] - Suppress Checkstyle warnings for generated files
    * [HIVE-1112] - Replace instances of StringBuffer/Vector with StringBuilder/ArrayList
    * [HIVE-1123] - Checkstyle fixes
    * [HIVE-1135] - Use Anakia for version controlled documentation
    * [HIVE-1137] - build references IVY_HOME incorrectly
    * [HIVE-1147] - Update Eclipse project configuration to match Checkstyle
    * [HIVE-1163] - Eclipse launchtemplate changes to enable debugging
    * [HIVE-1256] - fix Hive logo img tag to avoid stretching
    * [HIVE-1427] - Provide metastore schema migration scripts (0.5 -> 0.6)
    * [HIVE-1709] - Provide Postgres metastore schema migration scripts (0.5 -> 0.6)
    * [HIVE-1725] - Include metastore upgrade scripts in release tarball
    * [HIVE-1726] - Update README file for 0.6.0 release
    * [HIVE-1729] - Satisfy ASF release management requirements


** Sub-task
    * [HIVE-1340] - checking VOID type for NULL in LazyBinarySerde


** Test
    * [HIVE-1188] - NPE when running TestJdbcDriver/TestHiveServer
    * [HIVE-1236] - test HBase input format plus CombinedHiveInputFormat
    * [HIVE-1279] - temporarily disable HBase test execution
    * [HIVE-1359] - Unit test should be shim-aware



