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ruby client for Hadoop HBase
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jmchambers/hbase-ruby
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hbase-ruby is a pure ruby client for HBase (http://hadoop.apache.org/hbase). It works with the most recent version of HBase REST interface. == INSTALLTION $gem sources -a http://gems.github.com $gem install sishen-hbase-ruby For those who wants to use hbase in their rails application, can add this line to the environment.rb: {{{ config.gem 'sishen-hbase-ruby', :lib => "hbase", :source => "http://gems.github.com" }}} To build the gem yourself: $rake gem == USAGE First download the recent version of hbase (svn checkout http://svn.apache.org/repos/asf/hadoop/hbase/trunk hbase), compile it with 'ant', then launch HBase server: $bin/start-hbase.sh Here is the example: {{{ require 'hbase' client = HBase::Client.new("http://localhost:60010/api") # this url is the default. # Table Operation tables = client.list_tables # list available tables table = client.create_table('users', 'habbit') # create a table whose column_family is habbit table = client.show_table('users') # show the meta info of table users client.disable_table('users') # disable table users client.enable_table('users') # enable table users client.delete_table('users') # delete table users # Row Operation row = client.show_row('users', 'sishen') # show the data of row 'sishen' in table 'users' row2 = client.create_row('users', 'sishen', Time.now.to_i, {:name => 'habbit:football', :value => 'i like football'}) # create the row 'sishen' with the data in the table 'users' client.delete_row('users', 'sishen', nil, 'habbit:football') # delete the row 'sishen' of table 'users' with the optional column 'habbit:football' # Scanner Operation scanner = client.open_scanner('users', 'habbit:') rows = client.get_rows(scanner) client.close_scanner(scanner) }}} == Testing First you want to install rspec gem: {{{ sudo gem install rspec }}} Now, you can run the spec by following rake task: {{{ rake examples }}} == Copyright Copyright (c) 2008 Dingding Ye <yedingding@gmail.com> Distributed under MIT License
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