代码如下:
set @a=0;
select count (1) into @a from userinfo where userinfo_accounts ='xxx' and userinfo_pwd='xxx';
select @a;执行后出现如下文字提示的错误:function rocket.count does not exist
set @a=0;
select count (1) into @a from userinfo where userinfo_accounts ='xxx' and userinfo_pwd='xxx';
select @a;执行后出现如下文字提示的错误:function rocket.count does not exist
count(1)