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module Arel
class Array
include Relation
attr_reader :array, :attribute_names_and_types
include Recursion::BaseCase
def initialize(array, attribute_names_and_types)
@array = array
@attribute_names_and_types = attribute_names_and_types
@engine = nil
@attributes = nil
end
def engine
@engine ||= Memory::Engine.new
end
def attributes
@attributes ||= begin
attrs = @attribute_names_and_types.collect do |attribute, type|
attribute = type.new(self, attribute) if Symbol === attribute
attribute
end
Header.new(attrs)
end
end
def format(attribute, value)
value
end
def eval
@array.collect { |r| Row.new(self, r) }
end
end
end
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