This is a c extension for Ruby to access TokyoTyrant databases. It currently supports key/value, table databases and table queries.

# install tokyocabint and tokyotyrant
# after installing tc and tt on linux I had to /sbin/ldconfig (as root)
gem sources -a http://gems.github.com
sudo gem install actsasflinn-ruby-tokyotyrant

This is not in production but the initial benchmarks are very interesting. Results look closer to the memcached gem than any other tyrant client I’ve seen for Ruby.

• Key/Value Store: gist.github.com/75212

• Table Store: gist.github.com/74116

• Bulk Operations: gist.github.com/83194

• Bulk Table Operations: gist.github.com/87215

# start tyrant like so:
# ttserver example.tch

require 'tokyo_tyrant'
db = TokyoTyrant::DB.new('127.0.0.1', 1978)

db['foo'] = 'Bar' # => "Bar"
db['foo']         # => "Bar"

db.each{ |k,v| puts [k, v].inspect }
# ["foo", "Bar"]
# => nil

db.mput("1"=>"number_1", "2"=>"number_2", "3"=>"number_3", "4"=>"number_4", "5"=>"number_5")
db.mget(1..3) # => {"1"=>"number_1", "2"=>"number_2", "3"=>"number_3"}

# start tyrant like so:
# ttserver example.tct

require 'tokyo_tyrant'
t = TokyoTyrant::Table.new('127.0.0.1', 1978)

t['bar'] = { :baz => 'box' } # => { :baz => 'box' }
t['bar']                     # => { :baz => 'box' }

t.each{ |k,v| puts [k, v].inspect }
# ["bar", {:baz=>"box"}]
# => nil

# bulk operations
h = {}
100.times do |i|
  h[i] = { :name => 'Pat', :sex => i % 2 > 0 ? 'male' : 'female' }
end
t.mput(h)
t.mget(0..3)
# => {"0"=>{:name=>"Pat", :sex=>"female"}, "1"=>{:name=>"Pat", :sex=>"male"}, "2"=>{:name=>"Pat", :sex=>"female"}, "3"=>{:name=>"Pat", :sex=>"male"}}

require 'tokyo_tyrant'
t = TokyoTyrant::Table.new('127.0.0.1', 1978)

100.times do |i|
  t[i] = { 'name' => "Pat #{i}", 'sex' => i % 2 > 0 ? 'male' : 'female' }
end

q = t.query
q.condition('sex', :streq, 'male')
q.limit(5)
# Get a list of IDs
ids = q.search
# => ["1", "3", "5", "7", "9"]
q.order_by(:name, :strdesc)
ids = q.search
# => ["99", "97", "95", "93", "91"]
# Get the actual records
q.get
# => [{:__id=>"99", :sex=>"male", :name=>"Pat 99"}, {:__id=>"97", :sex=>"male", :name=>"Pat 97"}, {:__id=>"95", :sex=>"male", :name=>"Pat 95"}, {:__id=>"93", :sex=>"male", :name=>"Pat 93"}, {:__id=>"91", :sex=>"male", :name=>"Pat 91"}]

# Alternative Syntax (better)

# Query using a block
t.query{ |q|
  q.condition('sex', :streq, 'male')
  q.limit(5)
}
# => ["1", "3", "5", "7", "9"]

# Get records for a query
t.find{ |q|
  q.condition('sex', :streq, 'male')
  q.limit(5)
}
# => [{:sex=>"male", :name=>"Pat 1", :__id=>"1"}, {:sex=>"male", :name=>"Pat 3", :__id=>"3"}, {:sex=>"male", :name=>"Pat 5", :__id=>"5"}, {:sex=>"male", :name=>"Pat 7", :__id=>"7"}, {:sex=>"male", :name=>"Pat 9", :__id=>"9"}]

# Prepare but don't run a search, return a prepared query object
q = t.prepare_query{ |q|
  q.condition('sex', :streq, 'male')
  q.limit(5)
}
# => #<TokyoTyrant::Query:0x247c14 @rdb=#<Object:0x2800a0>, @rdbquery=#<Object:0x247c00>>
q.search
# => ["1", "3", "5", "7", "9"]
q.get
# => [{:sex=>"male", :name=>"Pat 1", :__id=>"1"}, {:sex=>"male", :name=>"Pat 3", :__id=>"3"}, {:sex=>"male", :name=>"Pat 5", :__id=>"5"}, {:sex=>"male", :name=>"Pat 7", :__id=>"7"}, {:sex=>"male", :name=>"Pat 9", :__id=>"9"}]

• implement get_reverse for has_value?

• fix up and test extensions