type_map (DataMapper::Migrations::OracleAdapter::ClassMethods)

    # File lib/dm-core/migrations.rb, line 1099
            def type_map
              length    = Property::DEFAULT_LENGTH
              precision = Property::DEFAULT_PRECISION
              scale     = Property::DEFAULT_SCALE_BIGDECIMAL

              @type_map ||= {
                Integer       => { :primitive => 'NUMBER',   :precision => precision, :scale => 0   },
                String        => { :primitive => 'VARCHAR2', :length => length                      },
                Class         => { :primitive => 'VARCHAR2', :length => length                      },
                BigDecimal    => { :primitive => 'NUMBER',   :precision => precision, :scale => nil },
                Float         => { :primitive => 'BINARY_FLOAT',                                    },
                DateTime      => { :primitive => 'DATE'                                             },
                Date          => { :primitive => 'DATE'                                             },
                Time          => { :primitive => 'DATE'                                             },
                TrueClass     => { :primitive => 'NUMBER',  :precision => 1, :scale => 0            },
                Types::Object => { :primitive => 'CLOB'                                             },
                Types::Text   => { :primitive => 'CLOB'                                             },
              }.freeze
            end