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CHANGES.txt
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CHANGES.txt
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Hive Change Log
Trunk - Unreleased
INCOMPATIBLE CHANGES
NEW FEATURES
HIVE-1790. Support HAVING clause in Hive (Vaibhav Aggarwal via cws)
HIVE-1304. Add function row_sequence in contrib (John Sichi via namit)
HIVE-1405. Add ability to run an initialization script by 'hive -i <fileName>' (John Sichi via namit)
HIVE-1387. Add PERCENTILE_APPROX which works with double data type
(Mayank Lahiri via jvs)
HIVE-1438. SENTENCES() UDF for natural language tokenization
(Mayank Lahiri via jvs)
HIVE-1481. ngrams() UDAF for estimating top-k n-gram frequencies
(Mayank Lahiri via jvs)
HIVE-1408. add option to let hive automatically run in local mode based on
tunable heuristics
(Joydeep Sen Sarma via Ning Zhang)
HIVE-1126. Missiong some Jdbc functionality like getTables
getColumns and HiveResultSet.get* methods based on column name.
(Bennie Schut via jvs)
HIVE-417. Implement Indexing in Hive
(He Yongqiang via jvs)
HIVE-1414. Automatically invoke .hiverc init script
(Edward Capriolo via jvs)
HIVE-1413. Ability to take a table offline
(Siying Dong via namit)
HIVE-1514. API to change fileformat and location of a partition
(He Yongqiang via namit)
HIVE-1528. JSON UDTF function
(Ning Zhang via jvs)
HIVE-1529. Add ANSI SQL covariance aggregate functions: covar_pop
and covar_samp
(Pierre Huyn via jvs)
HIVE-1518. context_ngrams() UDAF for estimating top-k contextual
n-grams
(Mayank Lahiri via jvs)
HIVE-1549. Add ANSI SQL correlation function CORR(X,Y).
(Pierre Huyn via jvs)
HIVE-1307. More generic and efficient merge
(Ning Zhang via namit)
HIVE-1578. Add conf. variable for displaying link to task
with most failures (Paul Yang via namit)
HIVE-1293. Concurrency Model for Hive
(Namit Jain via jvs)
HIVE-675. Add database/schema support for Hive
(Carl Steinbach via namit)
HIVE-471. Add a UDF for simple reflection
(Edward Capriolo via namit)
HIVE-1598. Create an option to specify an option for the format of
intermediate results (Ning Zhang via namit)
HIVE-1616. Add ProtocolsBufferStructObjectInspector
(Johan Oskarsson via namit)
HIVE-1609. Support partition filtering in metastore
(Ajay Kidave via jvs)
HIVE-1661. Default values for parameters
(Siying Dong via He Yongqiang)
HIVE-1659. parse_url_tuple: a UDTF version of parse_url
(Xing Jin via Ning Zhang)
HIVE-1361. table/partition level statistics
(Ning Zhang, Ahmed M Aly via He Yongqiang)
HIVE-1624. Patch to allows scripts in S3 location
(Vaibhav Aggarwal via He Yongqiang)
HIVE-1427. Add metastore schema migration scripts (0.5 -> 0.6)
(Carl Steinback via namit)
HIVE-1546. Ability to plug custom Semantic Analyzers for Hive Grammar
(Ashutosh Chauhan via namit)
HIVE-537. Hive TypeInfo/ObjectInspector to support union
(Amareshwari Sriramadasu via namit)
HIVE-1709. Add Postgres metastore schema migration scripts (0.5 -> 0.6)
(Yuanjun Li via namit)
HIVE-474 Support for distinct selection on two or more columns
(Amareshwari Sriramadasu via namit)
HIVE-1779 Add udf str_to_map
(Siying Dong via namit)
HIVE-1642 Convert join queries to map-join based on size of table/row
(Liyin Tang via namit)
HIVE-1819 maintain lastAccessTime in the metastore
(namit via He Yongqiang)
HIVE-1827 Add a new local mode flag in Task
(Liyin Tang via He Yongqiang)
HIVE-1836 Extend CREATE DATABASE command with DBPROPERTIES
(Ning Zhang via namit)
HIVE-1096 Hive variables (Edward Capriolo via namit)
HIVE-1842 Track if a map-reduce job is running locally
(Liyin Tang via namit)
HIVE-842 Authentication Infrastructure for Hive
(Ashutosh Chauhan via He Yongqiang)
HIVE-1853 Downrgrade JDO (Paul Yang via namit)
HIVE-1835 Better auto-complete for Hive
(Paul Butler via Ning Zhang)
HIVE-1856 Implement DROP TABLE/VIEW IF EXISTS
(Marcel Kornacker via jvs)
HIVE-1858 Implement DROP {PARTITION, INDEX, TEMPORARY FUNCTION} IF EXISTS
(Marcel Kornacker via jvs)
HIVE-78 Authorization model for Hive
(Yongqiang He via namit)
HIVE-1696 Add delegation token support to metastore
(Devaraj Das via namit)
HIVE-1862 Revive partition filtering in the Hive MetaStore
(Mac Yang via pauly)
IMPROVEMENTS
HIVE-1692. FetchOperator.getInputFormatFromCache hides causal exception (Philip Zeyliger via cws)
HIVE-1899 Add a factory method for creating a synchronized wrapper for IMetaStoreClient (John Sichi via cws)
HIVE-1852 Reduce unnecessary DFSClient.rename() calls (Ning Zhang via jssarma)
HIVE-1712. Migrating metadata from derby to mysql thrown NullPointerException (Jake Farrell via pauly)
HIVE-1394. Do not update transient_lastDdlTime if the partition is modified by a housekeeping
operation (Ning Zhang via namit)
HIVE-1430. Dont run serialize plan by default (Ning Zhang via namit)
HIVE-1443. Add an API to turn off bucketing (Paul Yang via namit)
HIVE-1447. Speed up reflection method calls (Zheng via He Yongqiang)
HIVE-1462. Report progress in FileSinkOperator works in multiple directory
case
(Siying Dong via Ning Zhang)
HIVE-1469. replace isArray() calls and remove LOG.isInfoEnabled() in
Operator.forward()
(Yongqiang He via Ning Zhang)
HIVE-1463. Hive output file names are unnecessarily large
(Joydeep Sen Sarma via Ning Zhang)
HIVE-1229. Replace dependencies on HBase deprecated API.
(Basab Maulik via jvs)
HIVE-1513. hive starter scripts should load admin/user supplied script for
configurability
(Joydeep Sen Sarma via Ning Zhang)
HIVE-1495. supply correct information to hooks and lineage for
index rebuild
(He Yongqiang via jvs)
HIVE-1512. Need to get hive_hbase-handler to work with hbase
versions 0.20.4 0.20.5 and cloudera CDH3 version
(Basab Maulik via jvs)
HIVE-1581. CompactIndexInputFormat should create split only for files in the index output file
(He Yongqiang via namit)
HIVE-1441. Extend ivy offline mode to cover metastore downloads
(John Sichi via Ning Zhang)
HIVE-1523. Enable some tests in miniMR mode
(Joydeep Sen Sarma via namit)
HIVE-1536. Add support for JDBC PreparedStatements
(Sean Flatley via jvs)
HIVE-1580. Cleanup ExecDriver.progress
(Joydeep Sen Sarma via namit)
HIVE-1614. UDTF json_tuple should return null row when input is not a valid
JSON string (Ning Zhang via namit)
HIVE-1645. ability to specify parent directory for zookeeper lock manager
(namit via He Yongqiang)
HIVE-1617. ScriptOperator's AutoProgressor can lead to an infinite loop
(Paul Yang via namit)
HIVE-1226. support filter pushdown against non-native tables
(jvs via He Yongqiang)
HIVE-558. Make describe output better
(Thiruvel Thirumoolan via namit)
HIVE-1628. Fix Base64TextInputFormat to be compatible with commons
codec 1.4
(Todd Lipcon via jvs)
HIVE-1378. Return value for map, array, and struct needs to return a string
(Steven Wong via Ning Zhang)
HIVE-1364 Increase the maximum length of various metastore fields, and
remove TYPE_NAME from COLUMNS primary key (Carl Steinbach via namit)
HIVE-1693 Make the compile target depend on thrift.home
(Eli Collins via namit)
HIVE-1697. Migration scripts should increase size of PARAM_VALUE in
PARTITION_PARAMS (Paul Yang via namit)
HIVE-1264. Make Hive work with Hadoop security
(Todd Lipcon via jvs)
HIVE-1701. drop support for pre-0.20 Hadoop versions
(jvs via Ning Zhang)
HIVE-1704. remove Hadoop 0.17 specific test reference logs
(jvs via Ning Zhang)
HIVE-1638. convert commonly used udfs to generic udfs
(Siying Dong via namit)
HIVE-1660. Change get_partitions_ps to pass partition filter to
database (Paul Yang via namit)
HIVE-1738. Optimize key comparison in groupby
(Siying Dong via namit)
HIVE-1749. ExecMapper and ExecReducer reduce function calls to l4j.isInfoEnabled()
(Siying Dong via namit)
HIVE-1641. add map joined table to distributed cache
(Liyin Tang via He Yongqiang)
HIVE-1498. support IDXPROPERTIES on CREATE INDEX
(Marquis Wang via jvs)
HIVE-1761. Support show locks for a particular table
(namit via He Yongqiang)
HIVE-1751. Optimize ColumnarStructObjectInspector.getStructFieldData()
(Siying Dong via namit)
HIVE-1750 Remove partition filtering conditions when possible
(Siying Dong via namit)
HIVE-1768 Update transident_lastDdlTime only if not specified
(Paul Yang via namit)
HIVE-1765 Add queryid while locking
(namit via He Yongqiang)
HIVE-1743 Compare from the end for GroupBy
(Siying Dong via namit)
HIVE-1758 Reduce memory for groupby map-side hashmap
(Siying Dong via namit)
HIVE-1754 Remove JDBM component from Map Join
(Liyin via He Yongqiang)
HIVE-1782 add more debug information for hive locking
(namit via He Yongqiang)
HIVE-1786 Better documentation for udf str_to_map
(Siying Dong via namit)
HIVE-1497 support COMMENT clause on CREATE INDEX, and add new
command for SHOW INDEXES
(Russell Melick via jvs)
HIVE-1783 optimize join code path in the scenario where there is 1 value for a key
(Siying Dong via namit)
HIVE-1796 dumps time at which lock was taken along with the queryid in show locks <T> extended
(namit via He Yongqiang)
HIVE-1746 Support for using ALTER to set IDXPROPERTIES
(Marquis Wang via jvs)
HIVE-1787 optimize the code path when there are no outer joins
(Siying Dong via namit)
HIVE-1801 HiveInputFormat or CombineHiveInputFormat always sync blocks of RCFile twice
(Siying Dong via He Yongqiang)
HIVE-1785 change Pre/Post Query Hooks to take in 1 parameter: HookContext
(Liyin Tang via jvs)
HIVE-1810 doc followup to HIVE-1785
(Liyin Tang via jvs)
HIVE-1797 Compressed the hashtable dump file before put into distributed cache
(Liyin Tang via He Yongqiang)
HIVE-138 Provide option to export a HEADER
(Paul Butler via He Yongqiang)
HIVE-1834 more debugging for locking
(namit via He Yongqiang)
HIVE-1415: add CLI command for executing a SQL script
(Edward Capriolo via jvs)
HIVE-1855 Include Process ID in the log4j log file name
(Ning Zhang via namit)
HIVE-1878 Set the version of Hive trunk to '0.7.0-SNAPSHOT' to avoid
confusing it with a release
(Carl Steinbach via jvs)
HIVE-1907 Store jobid in ExecDriver
(namit via He Yongqiang)
HIVE-1865 redo zookeeper hive lock manager
(namit via He Yongqiang)
OPTIMIZATIONS
BUG FIXES
HIVE-1915. Authorization on database level is broken.
(He Yongqiang via cws)
HIVE-1203. HiveInputFormat.getInputFormatFromCache "swallows" cause exception when trowing IOExcpetion
(Vladimir Klimontovich via cws)
HIVE-1524. Parallel Execution fails if mapred.job.name is set
(Ning Zhang via jssarma)
HIVE-1509. Hive should kill query if too many files are created by it
(Ning Zhang via jssarma)
HIVE-1471. CTAS should unescape column names in select-clause
(Ning Zhang via jssarma)
HIVE-1440. Bug in RCFiles with local work (map-join or sort-merge join)
(He Yongqiang via namit)
HIVE-1454. insert overwrite and CTAS fail in hive local mode
(Joydeep Sen Sarma via He Yongqiang )
HIVE-1305. add progress in join and groupby
(Siying Dong via He Yongqiang)
HIVE-1453. Make Eclipse launch tempaltes auto-adjust to Hive
version number changes.
(Arvind Prabhakar via jvs)
HIVE-1056. Predicate push down does not work with UDTF's
(Paul Yang via He Yongqiang)
HIVE-1385. UDF field() doesn't work
(Siying Dong via He Yongqiang)
HIVE-1455. lateral view does not work with column pruning
(Paul Yang via He Yongqiang)
HIVE-1470. percentile_approx() fails with more than 1 reducer
(Mayank Lahiri via jvs)
HIVE-1425. hive.task.progress should be added to conf/hive-default.xml
(John Sichi via Ning Zhang)
HIVE-1492. FileSinkOperator should remove duplicated files from the same task based on file sizes
(Ning Zhang via He Yongqiang)
HIVE-1491. fix or disable loadpart_err.q
(John Sichi via He Yongqiang)
HIVE-1411. DataNucleus throws NucleusException if core-3.1.1 JAR
appears more than once on CLASSPATH
(Carl Steinbach via jvs)
HIVE-1494. Index followup: remove sort by clause and fix a bug in
collect_set udaf
(He Yongqiang via jvs)
HIVE-1422 (2nd trial). skip counter update when RunningJob.getCounters()
returns null
(Joydeep Sen Sarma via Ning Zhang)
HIVE-1535 Dont change table metadata while changing partition metadata
(He Yongqiang via namit)
HIVE-1532 Replace globStatus with listStatus inside Hive.java's replaceFiles
(He Yongqiang via namit)
HIVE-1543 Abort in ExecMapper when record reader's next gets a exception
(Ning Zhang via namit)
HIVE-1547 Unarchiving operation throws NPE
(Paul Yang via namit)
HIVE-1548 populate inputs and outputs for all statement
(namit via He Yongqiang)
HIVE-1556. tests broken
(namit via Ning Zhang)
HIVE-1563. tests broken
(John Sichi via namit)
HIVE-1564. bucketizedhiveinputformat does not work in minimr mode
(He Yongqiang via namit)
HIVE-1561. test bug: smb_mapjoin*.q should use bucketizedhiveinputformat
(He Yongqiang via namit)
HIVE-1510. HiveCombineInputFormat should not use prefix matching to find
the partitionDesc for a given path
(He Yongqiang via Ning Zhang)
HIVE-1584. wrong log files in contrib client positive
(namit via He Yongqiang)
HIVE-1589. Add HBase/ZK JARs to Eclipse classpath
(Carl Steinbach via jvs)
HIVE-741. NULL is not handled correctly in join
(Amareshwari Sriramadasu via Ning Zhang)
HIVE-1593. Add test file udtf_explode
(Carl Steinbach via namit)
HIVE-1594. Typo of hive.merge.size.smallfiles.avgsize prevents
change of value. (Yun Huang Yong via namit)
HIVE-1600. Making test outputs deterministic by sorting inputs and outputs in hooks
(John Sichi via namit)
HIVE-1605. Regression and improvements in handling NULLs in joins
(Ning Zhang via namit)
HIVE-1607. Reinstate and deprecate IMetaStoreClient methods removed
in HIVE-675
(Carl Steinbach via Ning Zhang)
HIVE-1622. Use map-only task to merge if available
(Ning Zhang via namit)
HIVE-1630. Bug in NO_DROP
(Siying Dong via namit)
HIVE-1629. Patch to fix hashCode method in DoubleWritable class
(Vaibhav Aggarwal via Ning Zhang)
HIVE-1622. Bug in updating log file for hadoop 17
(Ning Zhang via namit)
HIVE-1639 ExecDriver.addInputPaths() error if partition name contains a comma
(Ning Zhang via namit)
HIVE-1650. TestContribNegativeCliDriver fails
(namit via He Yongqiang)
HIVE-1656. All TestJdbcDriver test cases fail in Eclipse unless a
property is added in run config
(Steven Wong via jvs)
HIVE-1534. Join filters do not work correctly with outer joins
(Amareshwari Sriramadasu via namit)
HIVE-1655. Adding consistency check at jobClose() when committing dynamic
partitions (Ning Zhang via namit)
HIVE-1664. Eclipse build broken
(Steven Wong via jvs)
HIVE-1671 multithreading on Context.pathToCS
(Bennie Schut via namit)
HIVE-1670 MapJoin throws an error if no column from the mapjoined table is selected
(Ning Zhang via namit)
HIVE-1673 Create table bug causes the row format property lost when serde is specified
(He Yongqiang via namit)
HIVE-1678 Bug in mapjoin followed by another mapjoin
(Amareshwari Sriramadasu via namit)
HIVE-1691 Validate partition spec in analyze
(Ning Zhang via namit)
HIVE-1674 count(*) returns wrong result when a mapper returns empty results
(Ning Zhang via He Yongqiang)
HIVE-1376 Simple UDAFs with more than 1 parameter crash on empty row query
(Ning Zhang via He Yongqiang)
HIVE-1699 Incorrect partition pruning ANALYZE TABLE
(Ning Zhang via namit)
HIVE-1713 Duplicated MapRedTask in Multi-table inserts mixed with FileSinkOperator
and ReduceSinkOperator (Ning Zhang via namit)
HIVE-307 "LOAD DATA LOCAL INPATH" fails when the table already contains a file of
the same name (Kirk True via namit)
HIVE-1681. ObjectStore.commitTransaction() does not properly handle transactions
that have already been rolled back
(Carl Steinbach via Ning Zhang)
HIVE-1717. ant clean should delete stats database
(Ning Zhang via namit)
HIVE-1707. Bug when different partitions are present in different dfs
(Yongqiang He via namit)
HIVE-1720. hbase_stats.q is failing
(Ning Zhang via jvs)
HIVE-1711. CREATE TABLE LIKE should not set stats in the new table
(Ning Zhang via namit)
HIVE-1633. CombineHiveInputFormat fails with "cannot find dir for emptyFile"
(Sreekanth Ramakrishnan via He Yongqiang)
HIVE-1737. Bug in computing row size for map side hash table in group by
(Siying Dong via Namit Jain)
HIVE-1742. Fix Eclipse templates (and use Ivy metadata to generate
Eclipse library dependencies)
(Carl Steinbach via jvs)
HIVE-1748 Statistics broken for tables with size in excess of Integer.MAX_VALUE
(Paul Butler via namit)
HIVE-1755 Update broken test outputs due to 1641
(He Yongqiang via namit)
HIVE-1757 Test cleanup for 1641
(Liyin Tang via namit)
HIVE-1756 Negative Test cleanup for 1641
(Liyin Tang via namit)
HIVE-1657 Join results are displayed wrongly for some complex joins
using select * (Amareshwari Sriramadasu via namit)
HIVE-1760 Mismatched open/commit transaction calls in case of connection retry
(Paul Yang via namit)
HIVE-1753 CombineHiveInputFormat bug
(Thiruvel Thirumoolan via He Yongqiang)
HIVE-1767 Bug in merging files for dynamic partitions
(He Yongqiang via namit)
HIVE-1769 Bug in test pcr.q
(Siying Dong via namit)
HIVE-1774 Bug in test merge_dynamic_partition.q
(He Yongqiang via namit)
HIVE-1777 Outdated comments for GenericUDTF.close()
(Paul Yang via jvs)
HIVE-1771 Fix bug in UDF round
(John Sichi via namit)
HIVE-1501 when generating reentrant INSERT for index rebuild,
quote identifiers using backticks
(Skye Berghel via jvs)
HIVE-1780 Typo in hive-default.xml
(Youngwoo Kim via namit)
HIVE-1776 parallel execution and auto-local mode combine to place
plan file in wrong file system (Joydeep Sen Sarma via namit)
HIVE-1583 Hive cannot overwrite HADOOP_CLASSPATH
(Thiruvel Thirumoolan via namit)
HIVE-1781 outputs not populated for dynamic partitions at compile time
(namit via He Yongqiang)
HIVE-1794 Bug in AND and OR if they return boolean/string
(Siying Dong via namit)
HIVE-1795 outputs not correctly populated for alter table
(namit via He Yongqiang)
HIVE-1807 No Element found exception in BucketMapJoinOptimizer
(He Yongqiang via Ning Zhang)
HIVE-1809 Hive Comparison Operators are broken for NaN values
(Paul Butler via Ning Zhang)
HIVE-1808 Wrong parameter names in HiveConf/hive-default.xml
for joins (Liyin Tang via namit)
HIVE-1792 Track the joins which are being converted to map-join
automatically (Liyin Tang via namit)
HIVE-1804 Mapjoin will fail if there are no files associating with the join tables
(Liyin Tang via He Yongqiang)
HIVE-1811 Show the time the local task takes
(Liyin Tang via He Yongqiang)
HIVE-1824 Create a new ZooKeeper instance when retrying lock
(He Yongqiang via namit)
HIVE-1828 No need to get Table/Partition for show locks.
(He Yongqiang via namit)
HIVE-1823 upgrade the database thrift interface to allow parameters key-value
pairs (Ning Zhang via namit)
HIVE-1508 Add cleanup method for HiveHistory
(Edward Capriolo via namit)
HIVE-1830 Mappers in group by followed by map-join may die OOM
(Liyin Tang via namit)
HIVE-1844 Hanging hive client due to OOM error
(He Yongqiang via namit)
HIVE-1843 Add an option in dynamic partition inserts to throw an error if
0 partitions are created (Ning Zhang via namit)
HIVE-1846 Hive should not assume that local mode mappers run in same JVM
(rvadali via jssarma)
HIVE-1849 add more logging to partition pruning
(namit via He Yongqiang)
HIVE-1848 Bug in MAPJOIN with hints
(He Yongqiang via namit)
HIVE-1845 Some attributes in eclipse template file are deprecated
(Liyin Tang via namit)
HIVE-1854 Temporarily disable metastore tests for listPartitionsByFilter()
(Paul Yang via namit)
HIVE-1857 mixed case tablename on lefthand side of LATERAL VIEW results in
query failing with confusing error message (John Sichi via pauly)
HIVE-1456 No need to check for LOG as null in sort-merge join
(Alexey Diomin via namit)
HIVE-1806 Merge per dynamic partition based on size of each dynamic partition
(Ning Zhang via namit)
HIVE-1864 Fix test load_overwrite..q
(Carl Steinbach via namit)
HIVE-1870 Add TestRemoveHiveMetaStore deleted accidently
(Carl Steinbach via namit)
HIVE-1873 Fix 'tar' build target broken in HIVE-1526
(Carl Steinbach via namit)
HIVE-1874 fix HBase filter pushdown broken by HIVE-1638
(John Sichi via namit)
HIVE-1871 Bug in merging dynamic partitions introduced by HIVE-1806
(He Yongqiag via namit)
HIVE-1881 Add an option to use FsShell to delete dir in warehouse
(He Yongqiang via namit)
HIVE-1840 Support ALTER DATABASE to change database properties
(Ning Zhang via namit)
HIVE-1889 add an option (hive.index.compact.file.ignore.hdfs)
to ignore HDFS location stored in index files
(Yongqiang He via namit)
HIVE-1903 Can't join HBase tables if one's name is the beginning of
the other (John Sichi via namit)
HIVE-1912 Double escaping special chars when removing old partitions
in rmr (Ning Zhang via namit)
HIVE-1913 use partition level serde properties
(Yongiang He via namit)
HIVE-1917 CTAS (create-table-as-select) throws exception when showing
results (Ning Zhang via namit)
TESTS
HIVE-1464. improve test query performance
(Joydeep Sen Sarma via Ning Zhang)
HIVE-1475. .gitignore files being placed in test warehouse directories
causing build failure
(Joydeep Sen Sarma via Ning Zhang)
HIVE-1489. TestCliDriver -Doverwrite=true does not put the file in
the correct directory
(Ning Zhang via jvs)
HIVE-1601. Hadoop 0.17 ant test broken by HIVE-1523
(Joydeep Sen Sarma via jvs)
HIVE-1658. Fix describe [extended] column formatting
(Thiruvel Thirumoolan via Ning Zhang)
HIVE-1829. Fix intermittent failures in TestRemoteMetaStore
(Carl Steinbach via jvs)
TASKS
HIVE-1526. Hive should depend on a release version of Thrift
(Carl Steinbach via Ning Zhang)
Release 0.6.0 - 2010-10-19
INCOMPATIBLE CHANGES
NEW FEATURES
HIVE-964. Handle skew join
(Yongqiang He via namit)
HIVE-972. Support views. (John Sichi via zshao)
HIVE-1172. Add UDFS to create struct (Zheng Shao via Ning Zhang)
HIVE-894. add udaf max_n, min_n to contrib (Zheng Shao via Yongqiang He)
HIVE-1152. Add metastore API method to drop/append partition by name.
(Paul Yang via zshao)
HIVE-1147. Update Eclipse project configuration to match Checkstyle
(Carl Steinbach via zshao)
HIVE-1117. Make queryPlan serializable
(Zheng Shao via namit)
HIVE-917. Bucketed Map Join
(He Yongqiang via namit)
HIVE-1178. enforce bucketing for a table.
(Namit Jain via He Yongqiang)
HIVE-1188. NPE when TestJdbcDriver/TestHiveServer
(Call Steinbach via Ning Zhang)
HIVE-1032. Better Error Messages for Execution Errors.
(Paul Yang via zshao)
HIVE-1193. ensure sorting properties for a table.
(Namit via He Yongqiang)
HIVE-259. Add PERCENTILE aggregate function.
(Jerome Boulon, Zheng via He Yongqiang)
HIVE-1197. Add BucketizedHiveInputFormat
(Siying Dong via namit)
HIVE-1194. Add sort merge join
(He Yongqiang via namit)
HIVE-705. Read HBase tables via Hive
(John Sichi via namit)
HIVE-1027. Create UDFs for XPath expression evaluation
(Patrick Angeles via Ning Zhang)
HIVE-1238. Get Partitions with a partial specification
(Paul Yang via Ning Zhang)
HIVE-1244. add backward-compatibility constructor to HiveMetaStoreClient
(John Sichi via Ning Zhang)
HIVE-1219. Robust handling of metastore connection failures
(Paul Yang via namit)
HIVE-1272. Add SymlinkTextInputFormat to Hive.
(Guanghao Shen via zshao)
HIVE-1131. Add column lineage information to the pre execution hooks
(Ashish Thusoo via namit)
HIVE-1300. alter table touch partition
(Paul Yang via namit)
HIVE-1295. facilitate HBase bulk loads from Hive
(John Sichi via namit)
HIVE-1002. multi-partition inserts
(Ning Zhang via namit)
HIVE-801. Add support for row-wise IN
(Paul Yang via namit)
HIVE-1351. rcfilecat for debugging
(Yongqiang He via namit)
HIVE-1332. Support for archiving partitions
(Paul Yang via namit)
HIVE-1397. histogram_numeric UDAF
(Mayank Lahiri via jvs)
HIVE-1179. Add UDF array_contains
(Arvind Prabhakar via namit)
HIVE-543. Add local mode execution in hive
(Joydeep Sen Sarma via namit)
HIVE-1255. Add mathematical UDFs PI, E, degrees, radians, tan,
sign, and atan. (Edward Capriolo via jvs)
HIVE-287. Support count(*) and count distinct on multiple columns
(Arvind Prabhakar via jvs)
IMPROVEMENTS
HIVE-983. Function from_unixtime takes long.
(Ning Zhang via zshao)
HIVE-990. Incorporate CheckStyle into Hive's build.xml.
(Carl Steinbach via zshao)
HIVE-1081. Automated source code cleanup - Part 1.
(Carl Steinbach via zshao)
HIVE-1081. Automated source code cleanup - Part 2 - serde.
(Carl Steinbach via zshao)
HIVE-1081. Automated source code cleanup - Part 3 - ql.
(Carl Steinbach via zshao)
HIVE-1084. Capitalize first letter of class names.
(Carl Steinbach via zshao)
HIVE-1112. Replace instances of StringBuffer and Vector with StringBuilder
and ArrayList. (Carl Steinbach via zshao)
HIVE-1105. Add service script for starting metastore server.
(John Sichi via zshao)
HIVE-1109. Structured temporary directories
(Zheng Shao via Ning Zhang)
HIVE-1068. CREATE VIEW followup: add a 'table type' enum attribute in
metastore's MTable. (John Sichi via zshao)
HIVE-1104. Suppress Checkstyle warnings for generated files.
(Carl Steinbach via zshao)
HIVE-1128. Let max/min handle complex types like struct
(Zheng Shao via Ning Zhang)
HIVE-1103. Add .gitignore file. (Carl Steinbach via zshao)
HIVE-1132. Add metastore API method to get partition by name.
(Paul Yang via zshao)
HIVE-1120. In ivy offline mode, don't delete downloaded jars.
(John Sichi via zshao)
HIVE-862. CommandProcessor should return DriverResponse.
(Bill Graham via zshao)
HIVE-1123. Checkstyle fixes. (Carl Steinbach via zshao)
HIVE-1150. Add comment to explain why we check for dir first in add_partitions().
(Paul Yang via zshao)
HIVE-1122. Make ql/metadata/Table and Partition serializable
(Zheng Shao via He Yongqiang)
HIVE-1158. Introducing a new parameter for Map-side join bucket size.
(Ning Zhang via zshao)
HIVE-1136. Add type-checking setters for HiveConf class.
(John Sichi via zshao)
HIVE-1181. Make it optional to check file format. (Yongqiang He via zshao)
HIVE-1182. Fix TestCliDriver too many open file error.
(Zheng Shao via Ning Zhang)
HIVE-1190. Configure build to download Hadoop tarballs from Facebook mirror.
(John Sichi via zshao)
HIVE-1195. Increase ObjectInspector[] length on demand
(Zheng Shao via Ning Zhang)
HIVE-1137. Fix build.xml for references to IVY_HOME.
(Carl Steinbach via zshao)
HIVE-1212. Explicitly say "Hive Internal Error" to ease debugging
(Zheng Shao via Ning Zhang)
HIVE-1216. Show the row with error in mapper/reducer
(Zheng Shao via He Yongqiang)
HIVE-1246. Map join followde by another map join runs in a single map-only job
(He Yongqiang via namit)
HIVE-1220. accept TBLPROPERTIES on CREATE TABLE/VIEW
(John Sichi via namit)
HIVE-1258. Disable merge files when bucketing/sorting is being enforced
(He Yongqiang via namit)
HIVE-1270. Thread pool size in Thrift metastore server should be
configurable (Paul Yang via namit)
HIVE-1278. Partition name to values conversion conversion method
(Paul Yang via namit)
HIVE-1276. Remove extra reducesink if it is already followed by a reduce sink
(He Yongqiang via namit)
HIVE-1296. CLI set and set -v commands should dump properties in
alphabetical order (John Sichi via Ning Zhang)
HIVE-1306. cleanup the JobScratchDir
(Namit Jain via Ning Zhang)
HIVE-1349. Do not pull counters of non initialized jobs.
(Dmytro Molkov via Ning Zhang)
HIVE-1198. When checkstyle is activated for Hive in Eclipse environment,
it shows all checkstyle problems as errors.
(Arvind Prabhakar via Ning Zhang)
HIVE-1355. Hive should use NullOutputFormat for hadoop jobs
(Joydeep Sen Sarma via namit)
HIVE-1372. New algorithm for variance() UDAF
(Mayank Lahiri via jvs)
HIVE-1228. allow HBase key column to be anywhere in Hive table
(John Sichi via Ning Zhang)
HIVE-1410. Add TCP keepalive option for metastore server
(Paul Yang via Ning Zhang)
HIVE-1383. Allow HBase WAL to be disabled.
(John Sichi via Ning Zhang)
HIVE-1359. Unit test should be shim-aware
(Ning Zhang via jvs)
HIVE-1135. Use Anakia for version controlled documentation
(Edward Capriolo via jvs)
HIVE-1401. Web Interface can only browse default
(Edward Capriolo via jvs)
HIVE-1531. Make Hive build work with Ivy versions < 2.1.0
(Carl Steinbach via jvs)
HIVE-1725. Include metastore upgrade scripts in release tarball
(Carl Steinbach via jvs)
HIVE-1726. Update README file for 0.6.0 release
(Carl Steinbach via jvs)
HIVE-1729. Satisfy ASF release management requirements
(Carl Steinbach via jvs)
HIVE-1736. Remove "-dev" suffix from release package name and
generate MD5 checksum using Ant (Carl Steinbach via jvs)
OPTIMIZATIONS
HIVE-1348. Move inputFileChanged() from ExecMapper to where it is needed
(Ning Zhang via namit)