@H_403_1@当我尝试从Rails调用存储过程时,我得到以下异常：

@H_403_1@

ActiveRecord::StatementInvalid: MysqL::Error: PROCEDURE pipeline-ws_development.match_save_all can't return a result set in the given context: call match_save_all()
    from /Users/otto/Projects/Futures/src/pipeline-ws/vendor/rails/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb:150:in `log'
    from /Users/otto/Projects/Futures/src/pipeline-ws/vendor/rails/activerecord/lib/active_record/connection_adapters/MysqL_adapter.rb:281:in `execute'
    from (irb):3

@H_403_1@在Rails Wiki that discusses a patch中有一个用于解决此问题的MysqL适配器的页面,但它已经过时并且似乎不再起作用了.

@H_403_1@配置代码正确地启用了存储过程,但是在存储过程调用之后连接失去同步并且新的call_sp方法不再起作用仍然存在问题.

@H_403_1@有关如何使其工作的任何建议？

@H_403_1@这是我正在使用的代码：

@H_403_1@

ActiveRecord::Base.connection("call storedproc()")

@H_403_1@无论storedproc()是否返回任何结果,它都会抛出相同的异常.

DELIMITER $

CREATE PROCEDURE tProc()
BEGIN
    SET @a = 'test';
END;
$

CREATE FUNCTION tFunc()
RETURNS INT
BEGIN
    CALL tProc();
    RETURN 1;
END;
$

DELIMITER ;

SELECT tFunc() FROM DUAL;
>> 1

SELECT @a FROM DUAL;
>> 'test'

ActiveRecord::Base.establish_connection(authopts)

class TestClass < ActiveRecord::Base
end

test_class = TestClass.new
puts %{#{test_class.connection.select_one('SELECT tFunc() AS tf FROM DUAL')}}
>> tf1