DELIMITER //
create procedure test( out _error int)
begin
if @@error<>0 then
select -100 into _error;
else
select 0 into _error;
end if;
END//始终报错:Error Code: 1193
Unknown system variable 'error'
想问下是否@@error不能这么用
create procedure test( out _error int)
begin
if @@error<>0 then
select -100 into _error;
else
select 0 into _error;
end if;
END//始终报错:Error Code: 1193
Unknown system variable 'error'
想问下是否@@error不能这么用
在mysql里怎么用的