ChangeLog

2013-07-29
    * rhive-2.0-0.0 release
      * Thrift client -> jdbc client
      + HiveServer2 support
      + rhive.set operation
      + rhive.unset operation
      + rhive.list.udfs operation
      + rhive.rm.udf operation
      + error handler
      * bug fixes
      * code refactoring

2013-03-12

    * rhive-0.0-7.1 release
    * added functions
      - rhive.list.databases
      - rhive.show.databases
      - rhive.use.databases
      - rhive.show.tables
      

2013-1-6

    * no RServe option added(experimental)

2012-11-20

    * rhive-0.0-7 release
      - Make RHive work with CDH4
      - connection fail to rserver will be ignored
      - try read hadoop config files from $HADOOP_CONF_DIR then $HADOOP_HOME/conf

2012-6-8

    * rhive-0.0-6 release
    
      - improve to load data from Hive to R
      - support float type 
      - bug fix 

2012-5-21

    * provdie default value of RHIVE_DATA as '/tmp'

2012-5-15

    * support float type in 'rhive.basic.cut' function  

2012-04-13

    * fix bug that try to change mode template script not generated script during generating map/reduce script
    * add validation check whether file/directory exists in ls() function

2012-03-27

    * update man-file
    * add addition info message for rhive.exportAll without slaves file

2012-03-23

    * add rhive.load.table2 function to improve data loading performance into R

2012-02-28

    * rhive-0.0-5 release
    
     - support basic statistic functions (mode, range, xtabs, cut, by, merge, scale, sample, t.test)
     - support big result data what R can't handle

2012-02-27

    * fix bug that generate wrong query for rhive.basic.merge

2012-02-22

    * develop rhive.block.sample to use hive's block sampling

2012-02-20

    * add rhive.basic.t.test function
    * add rhive.basic.cut2 function

2012-02-07

	* fix bug that generates same directory name in rhive.write.table

2012-02-06

    * add right option and new feature of rhive.basic.cut function

2012-01-12

    * handle big result of hive query

2012-01-05

	* develop basic statistic functions (scale)

2011-12-29

	* develop basic statistic functions (Mode, range, xtabs, cut, by, merge) 

2011-12-17

    * rhive-0.0-4 release
    
      - support napply, sapply and aggregate functions
      - support hdfs functions
      - support custom map/reduce script of hive
      - add rhive tutorial and user guide 

2011-12-08

    * support custom map/reduce script of hive
    * change default hdfs's port (5003 -> 8020)

2011-12-02

	* fix bug to handle NULL data
	* initialize Rserve list from hadoop's slave file automatically

2011-11-30

    * develop rhive.load/rhive.save functions
    * develop rhive.exist.table function

2011-11-29

	* develop hdfs functions (ls, put, get, rm, mkdir , rename and exists)
    
2011-11-01

    * develop napply, sapply and aggregate functions

2011-10-30

    * rhive-0.0-3 release
      
      - execute hive query in R
      - export R Ojbects to use in Hive Query as UDF
      - create unitTests
      - R package
      - documentation

2011-10-30

    * re-factoring rhive code

2011-10-28

    * create unit-tests 

2011-10-27  

    * create git repository for rhive

2011-10-25

	* DESCRIPTION, NAMESPACE, R/rhive.R, R/rhiveInit.R, R/test.R,
	  inst/doc/RHive.dvi, inst/doc/RHive.pdf, inst/java/rhive_udf.jar,
	  inst/unitTests/runit-hiveConnect.R,inst/unitTests/runit-hiveExport.R,
	  inst/unitTests/runit-hiveExportAll.R,inst/unitTests/runit-hiveQuery.R,
	  man/rhive-connect.Rd,man/rhive-export.Rd,man/rhive-query.Rd,man/rhive.Rd,
	  src/build.xml, src/build.num, src/Makevars, src/lib/REngine.jar, src/lib/RserveEngine.jar
	  src/lib/hadoop-core-0.20.3-CDH3-SNAPSHOT.jar : initial import for preparation for public CRAN
	  package, will take on most of Hive Query functionality