MySQL存储过程-循环结构

create table tb
(
    type varchar(20)  not null,
    name varchar(255) not null,
    id   varchar(20)  not null,
    primary key (type, id),
    constraint index1
        unique (name)
);

create procedure insertData()
begin
    declare i int default 0;
    loop_label:
    loop
        insert into tb values (i, concat('test', i), i);
        set i = i + 1;
        if i > 100 then
            leave loop_label;
        end if;
    end loop;
end;

create procedure insertData()
begin
    declare i int default 0;
    while i < 100
        do
            insert into tb values (i, concat('test', i), i);
            set i = i + 1;
        end while;
end;

create procedure insertData()
begin
    declare i int default 0;
    repeat
        insert into tb values (i, concat('test', i), i);
        set i = i + 1;
    until i > 100
        end repeat;
end;