simplified_type

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 130
        def simplified_type(field_type)
          case field_type
            # Numeric and monetary types
            when /^(?:real|double precision)$/
              :float
            # Monetary types
            when /^money$/
              :decimal
            # Character types
            when /^(?:character varying|bpchar)(?:\(\d+\))?$/
              :string
            # Binary data types
            when /^bytea$/
              :binary
            # Date/time types
            when /^timestamp with(?:out)? time zone$/
              :datetime
            when /^interval$/
              :string
            # Geometric types
            when /^(?:point|line|lseg|box|"?path"?|polygon|circle)$/
              :string
            # Network address types
            when /^(?:cidr|inet|macaddr)$/
              :string
            # Bit strings
            when /^bit(?: varying)?(?:\(\d+\))?$/
              :string
            # XML type
            when /^xml$/
              :string
            # Arrays
            when /^\D+\[\]$/
              :string              
            # Object identifier types
            when /^oid$/
              :integer
            # Pass through all types that are not specific to PostgreSQL.
            else
              super
          end
        end