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Ruby wrapper for Lucene Solr

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README.rdoc

delsolr

delsolr.rubyforge.org

DESCRIPTION:

DelSolr is a light weight ruby wrapper for solr. It's intention is to expose the full power of solr queries while keeping the interface as ruby-esque as possible.

Installation

Can be installed as a gem which is hosted on gemcutter.org

gem install delsolr

or as a plugin…

ruby script/plugin install git://github.com/avvo/delsolr.git

PROBLEMS:

  • Not threadsafe yet

SYNOPSIS:

See delsolr.rubyforge.org for more info

Example:

c = DelSolr::Client.new(:server => 'solr1', :port => 8983)
rsp = c.query('dismax', :query => 'mp3 player',
                        :filters => {:cost => (50..100), :localparams => {:tag => 'cost_filter'}},
                        :facets => [{:field => 'brand', :limit => 10},
                                    {:query => {:onsale => true, :brand => 'Apple'},
                                     :localparams => {:key => 'cheap_apple', :ex => 'cost_filter'}}])

# output total matches
puts rsp.total

# output each id with score
rsp.docs.each { |doc| puts "#{doc[:id]} - #{doc[:score]}" }

# output each value for a facet
rsp.facet_field_values('brand').each do |brand|
  puts "#{brand}: #{rsp.facet_field_count('brand', brand}"
end

# output a query facet
puts "Cheap Apple stuff: #{rsp.facet_query_count_by_key('cheap_apple')}"

# adding things
doc = DelSolr::Document.new
doc.add_field('id', 'ABC-123')
doc.add_field('name', '8 Gig Shuffle')
doc.add_field('description', 'A crazy-tiny MP3 player')
c.update!(doc) # posts new document to solr
c.commit! # posts a commit to solr

rsp = c.query('dismax', :query => 'shuffle mp3 player')
puts rsp.ids[0]

# using local params for filters / facets Use :localparams => {} syntax to add local params to filters and facets

REQUIREMENTS:

You need Solr(1.4 or higher) installed somewhere so you can query it ;)

INSTALL:

sudo gem install delsolr

TODO:

* implement delete_by_query
* make thread safe
  * it would be nice to be able to have things like commit/optimize be ran in threads on timers periodically
  * right now a few things need to be locked
    * connection
    * pending_documents array

LICENSE:

(The MIT License)

Copyright © 2008 Avvo, INC - www.avvo.com

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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