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我正在寫一個報告,以從MySQL數據庫中獲取結果。查詢在mysql數據庫中有一個int類型的參數。我定義了一個java.lang.Integer類型的參數,但是當我運行報告並給它一個值時,它不返回任何數據。我試圖將參數類型更改爲String,然後得到不正確的結果。以下是報告查詢:賈斯珀報告參數返回錯誤的結果
SELECT
orders.`number` AS orders_number,
orders.`length` AS orders_length,
orders.`thick` AS orders_thick,
orders.`date` AS orders_date,
orders.`weight` AS orders_weight
FROM
`orders` orders
WHERE
orders.`customer_id` = $P{cust_id}
,這裏是訂單表模式:
CREATE TABLE `orders` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`customer_id` int(11) DEFAULT NULL,
`number` double DEFAULT NULL,
`length` double DEFAULT NULL,
`thick` int(11) DEFAULT NULL,
`weight` double DEFAULT NULL,
`date` date DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `customer_fk` (`customer_id`)
) ENGINE=InnoDB AUTO_INCREMENT=38 DEFAULT CHARSET=utf8$
感謝,