获取岗位信息

CREATE DEFINER=`root`@`%` FUNCTION `GetPositionInfo`(VPositionId VARCHAR(36)) RETURNS varchar(36) CHARSET utf8
BEGIN
	-- 预期岗位结果 
	DECLARE vResult VARCHAR(36);
	DECLARE vCount INT;
	SET vResult = '00000000-0000-0000-0000-000000000000'; -- 返回结果集
	SET vCount=0;  -- 判断是那一层级
	IF VPositionId <> '00000000-0000-0000-0000-000000000000' THEN
	 
	  loop_label: loop 
         
         SET vResult=(SELECT PositionId 
					  FROM oep.Position 
					  WHERE oep.Position.PositionParentId=VPositionId LIMIT 1);  
         SET vCount=vCount+1;
         
         IF vResult IS NULL  THEN
			IF vCount =1 THEN
				SET vResult= '00000000-0000-0000-0000-000000000000';
            ELSE 
				SET vResult=VPositionId;
            END IF;
         
            
			LEAVE loop_label;
         ELSE
         
			SET VPositionId=vResult;
            
         END IF;
         
     end loop;
      
      
	END IF;
    
	RETURN vResult;
END