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【DM版本】:DM8
【操作系统】：WINDOWS
【CPU】:
【问题描述】*：mysql存储过程运行失败，求助

CREATE  PROCEDURE "zxapp_ouhai_api"."car_add"( "module" IN  varchar(45) , "cmd" IN  varchar(45) , "strJson" IN  text ) AS
		 strErrorMsg  			VARCHAR(256) ;
		 token_user_id 			BIGINT ;
		 token_user_name 		VARCHAR(128) ;
BEGIN
		REPEAT
		IF JSON_VALID(strJson) != 1 THEN
				SET strErrorMsg = 'app_login.无效json格式';
				EXIT;
		END IF;
		CALL token2useridname(strJson,token_user_id, token_user_name, out_err);
		IF out_err IS NOT NULL OR token_user_id IS NULL THEN
				SET strErrorMsg = 'token过期，请重新登录';
				EXIT;
		END IF;
		SET _user_id = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.user_id'));
		SET _user_name = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.user_name'));
		SET _unit = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.unit'));
		SET _phone = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.phone'));
		SET _cartype = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.cartype'));
		SET _number = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.number'));
		SET _start_time = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.start_time'));
		SET _end_time = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.end_time'));
		SET _city = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.city'));
		SET _address = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.address'));
		SET _task = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.task'));
		SET _waiting = JSON_UNQUOTE(JSON_EXTRACT(strJson, '$.waiting'));
		SET car_id = '0';
		CALL make_rand_id('1001', car_id);
		INSERT INTO zxapp_ouhai_db.zxlz_car(id,user_id,user_name,unit,phone,cartype,number,start_time,end_time,city,address,task,waiting,date,state
		)VALUES( car_id, _user_id, _user_name, _unit, _phone, _cartype, _number, _start_time, _end_time, _city, _address, _task, _waiting,now(),0
		);
		IF ROW_COUNT() =0 THEN
				SET strErrorMsg = CONCAT('添加失败');
				EXIT;
		END IF;     
	IF strErrorMsg != '' THEN
			SELECT	400 as code, strErrorMsg as message;
	ELSE
  SELECT	200 AS code, '' AS message, 'datas' as root_attribute_name,concat('{"style":"','', '"}') as outputstyle;
  SELECT car_id AS "key";
	END IF;
END;