Error Code: 1414. OUT or INOUT argument 2 for routine company.new_procedure is not a variable or NEW

1、错误叙述性说明

16:27:36	call new_procedure(20150112,1)	
Error Code: 1414. OUT or INOUT argument 2 for routine company.new_procedure is not a variable or NEW pseudo-variable in BEFORE trigger0.063 sec

2、错误原因

CREATE DEFINER=`root`@`localhost` PROCEDURE `new_procedure`(in `departId` int,out `num` int)
BEGIN

  select count(t.depart_name) into num from t_department_info t where t.depart_id = departId;
  

END

call new_procedure(20150112,1);

3、解决的方法

call new_procedure(20150112,@depart_id);

    out參数是数据库表中的字段

select @depart_id as depart_id_out;

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