MySql Trigger raise_application_error笔记

#自定义rasie error in mysql  

delimiter //

create procedure raise_application_error(In CODE integer ,in message varchar(255)) sql security invoker deterministic

begin 
   create temporary  table if not exists raise_error(F1 int not null);
   
   select CODE , message into @error_code, @error_message;
   insert into raise_error  values(null);

end;
//

create procedure get_last_custom_error() sql security invoker deterministic

begin
    select @error_code ,@error_message;
    
end;
//
delimiter ;


#call raise_application_error(1234, ‘Custom message‘);
#call get_last_custom_error();

call raise_application_error(1234, ‘Custom message‘);

call get_last_custom_error();