def initialize(index, options = {})
@index = index
@model = index.model
@fields = []
@attributes = []
@joins = []
@conditions = []
@groupings = []
@options = options
@associations = {}
@database_configuration = @model.connection.
instance_variable_get(:@config).clone
@base = ::ActiveRecord::Associations::ClassMethods::JoinDependency.new(
@model, [], nil
)
unless @model.descends_from_active_record?
stored_class = @model.store_full_sti_class ? @model.name : @model.name.demodulize
@conditions << "#{@model.quoted_table_name}.#{quote_column(@model.inheritance_column)} = '#{stored_class}'"
end
add_internal_attributes_and_facets
end