sqlalchemy.py 文件源码

def deserialize_column(self, column, value):
        if value is None:
            return None
        if isinstance(column.type, sqltypes.DateTime):
            return datetime.strptime(value, self.DATETIME_FORMAT)
        if isinstance(column.type, sqltypes.Time):
            hour, minute, second = value.split(':')
            return time(int(hour), int(minute), int(second))
        if isinstance(column.type, sqltypes.Integer):
            return int(value)
        if isinstance(column.type, sqltypes.Float):
            return float(value)
        return value