def type_to_sql(type, limit = nil, precision = nil, scale = nil)
      return super unless NO_LIMIT_TYPES.include?(t = type.to_s.downcase.to_sym)

      native_type = NATIVE_DATABASE_TYPES[t]
      native_type.is_a?(Hash) ? native_type[:name] : native_type
    end
def type_to_sql(type, limit = nil, precision = nil, scale = nil)
      return super unless NO_LIMIT_TYPES.include?(t = type.to_s.downcase.to_sym)

      native_type = NATIVE_DATABASE_TYPES[t]
      native_type.is_a?(Hash) ? native_type[:name] : native_type
    end
Convert the specified column type to a SQL string.
 @override