mysql (:kabel_name:loop...end loop"; "repeat....end repeat";"while ... do .... e
作者:互联网
drop PROCEDURE if exists test1; create procedure test1() begin declare i int; set i=1; while i<=30 do update blog.car1_myarticle set blog.car1_myarticle.brief_content=i where car1_myarticle.id=i; set i=i+1; end while; end; ---------------------------------------- drop PROCEDURE if exists test1; create procedure test1() begin declare i int; set i=1; exit_a:loop -- 定义一个标签为 "exit_a" update blog.car1_myarticle set blog.car1_myarticle.brief_content=i where car1_myarticle.id=i; set i=i+1; if i>30 THEN LEAVE exit_a; -- 离开指定的标签 "exit_a" end if; end loop; end; ---------------------------------------- drop procedure if EXISTS test1; create procedure test3() begin declare i,n int; set i=1; set n=30; REPEAT update blog.car1_myarticle set blog.car1_myarticle.brief_content=i where car1_myarticle.id=i; set i=i+1; until i>n end REPEAT; end;
标签:test1,...,set,end,car1,while,repeat,myarticle 来源: https://www.cnblogs.com/vmsysjack/p/13055978.html