Contents

module Automigration
  module Fields 
    module Sys
      class DbColumn < Struct.new(:name, :type, :options)
        def initialize(name_, type_, options_)
          super
          options_.assert_valid_keys(:default, :null, :limit, :scale, :precision)
        end

        def self.from_activerecord_column(column)
          out = DbColumn.new(column.name.to_sym, column.type.to_sym, {
            :default => column.default,
            :null => column.null,
            :limit => column.limit,
            :scale => column.scale,
            :precision => column.precision
          })
        end

        def the_same?(other)
          (__to_array <=> other.send(:__to_array)) == 0
        end

        def to_options
          options.reject{|k, v| v.nil?}
        end

        private
        # compare only by 3 values
        def __to_array
          [name.to_s, type.to_s, options[:default].to_s]
        end
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
automigration-0.2.2	lib/automigration/fields/sys/db_column.rb
automigration-0.2.1	lib/automigration/fields/sys/db_column.rb