vendor/gems/composite_primary_keys-2.2.2/lib/composite_primary_keys/migration.rb

   1 ActiveRecord::ConnectionAdapters::ColumnDefinition.send(:alias_method, :to_s_without_composite_keys, :to_s)
   2
   3 ActiveRecord::ConnectionAdapters::ColumnDefinition.class_eval <<-'EOF'
   4   def to_s
   5     if name.is_a? Array
   6       "PRIMARY KEY (#{name.join(',')})"
   7     else
   8       to_s_without_composite_keys
   9     end
  10   end
  11 EOF
  12
  13 ActiveRecord::ConnectionAdapters::TableDefinition.class_eval <<-'EOF'
  14   def [](name)
  15     @columns.find { |column|
  16       !column.name.is_a?(Array) && column.name.to_s == name.to_s
  17     }
  18   end
  19 EOF
  20