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Contents
# encoding: utf-8
module Mongoid #:nodoc
module Indexes #:nodoc
extend ActiveSupport::Concern
included do
cattr_accessor :index_options
self.index_options = {}
end
module ClassMethods #:nodoc
# Send the actual index creation comments to the MongoDB driver
#
# @example Create the indexes for the class.
# Person.create_indexes
def create_indexes
return unless index_options
current_collection = self._collection || set_collection
index_options.each_pair do |name, options|
current_collection.create_index(name, options)
end
end
# Add the default indexes to the root document if they do not already
# exist. Currently this is only _type.
#
# @example Add Mongoid internal indexes.
# Person.add_indexes
def add_indexes
if hereditary? && !index_options[:_type]
self.index_options[:_type] = {:unique => false, :background => true}
end
create_indexes if Mongoid.autocreate_indexes
end
# Adds an index on the field specified. Options can be :unique => true or
# :unique => false. It will default to the latter.
#
# @example Create a basic index.
# class Person
# include Mongoid::Document
# field :name, :type => String
# index :name, :background => true
#
# @param [ Symbol ] name The name of the field.
# @param [ Hash ] options The index options.
def index(name, options = { :unique => false })
self.index_options[name] = options
create_indexes if Mongoid.autocreate_indexes
end
end
end
end
Version data entries
188 entries across 96 versions & 4 rubygems