found_rows() : select
row_count() : update delete insert
注:需要配合相應的操作一起使用,否則返回的值只是1和-1(都是不正確的值)
示例:
drop database if exists `mytest`;
create database `mytest`;
use `mytest`;
drop table if exists `MyTestTable`;
create table `MyTestTable`(`ID` int ,`Name` varchar(10));
insert into `MyTestTable`(`ID`,`Name`)
select '1','role1' union all
select '2','role2' union all
select '3','role3';
select row_count(); -- 輸出3(返回新添加的記錄數),[注:如果使用insert into...values只返回1]
select * from `MyTestTable`;select found_rows(); -- 輸出3(返回選擇的行數)
update `MyTestTable` set `Name`='people';select row_count(); -- 輸出3(返回修改的行數)
delete from `MyTestTable`;select row_count(); -- 輸出3(返回刪除的行數)