类型描述注意点booleanㅤㅤintㅤㅤlongㅤㅤfloatㅤㅤdoubleㅤㅤdecimal（P，S）ㅤㅤdateㅤㅤtimeㅤㅤtimestampㅤㅤtimestamptzㅤㅤstringㅤㅤfixed（L）ㅤㅤbinaryㅤㅤstruct<….>ㅤㅤlistㅤㅤmap<K,V>ㅤㅤ
