如何在MySQL存储过程中正确实现条件?
要在存储过程中设置条件,请使用以下语法-
if yourCondition then
yourStatement1;
else
yourStatement2';
end if ;
end
//让我们实现以上语法,以纠正存储过程中缺少的分号-
delimiter //
create procedure Test_Demo(In inputValue int)
-> BEGIN
-> if inputValue=10 then
-> select 'You have won 100$';
-> else
-> select 'Sorry !!!';
-> end if ;
-> end
-> //
delimiter ;现在您可以使用CALL命令调用存储过程-
call Test_Demo(10);
这将产生以下输出-
+-------------------+ | You have won 100$ | +-------------------+ | You have won 100$ | +-------------------+ 1 row in set (0.00 sec)