我的报告中有一个日期/时间参数:

但是当我运行我的查询时,我没有得到任何结果:
SELECT HD_QUEUE.NAME as qname, HD_TICKET.ID, HD_TICKET.CREATED, HD_TICKET.TIME_CLOSED, CUSTOMER.FULL_NAME as custfullname,
HD_STATUS.NAME as statname, HD_TICKET.TITLE, left(ASSIGNEE.FULL_NAME, 40) as assignee,
HD_PRIORITY.NAME as pname, HD_CATEGORY.NAME as catname
FROM HD_TICKET
INNER JOIN HD_QUEUE
ON HD_TICKET.HD_QUEUE_ID = HD_QUEUE.ID
INNER JOIN USER CUSTOMER
ON HD_TICKET.SUBMITTER_ID=CUSTOMER.ID
INNER JOIN USER ASSIGNEE
ON HD_TICKET.OWNER_ID=ASSIGNEE.ID
INNER JOIN HD_STATUS
ON (HD_TICKET.HD_STATUS_ID=HD_STATUS.ID)
AND (HD_TICKET.HD_QUEUE_ID=HD_STATUS.HD_QUEUE_ID)
INNER JOIN HD_PRIORITY
ON HD_TICKET.HD_PRIORITY_ID = HD_PRIORITY.ID
and HD_TICKET.HD_QUEUE_ID = HD_PRIORITY.HD_QUEUE_ID
INNER JOIN HD_CATEGORY
ON HD_TICKET.HD_CATEGORY_ID = HD_CATEGORY.ID
and HD_TICKET.HD_QUEUE_ID = HD_CATEGORY.HD_QUEUE_ID
left join ASSET on ASSET.ID = HD_TICKET.ASSET_ID
left join ASSET_DATA_6 on ASSET.ASSET_DATA_ID = ASSET_DATA_6.ID
WHERE (HD_STATUS.NAME = 'Closed'
AND HD_TICKET.TIME_CLOSED < @date_param);我做错了什么?
发布于 2018-04-10 21:12:38
MySQL不允许命名参数。用'?‘而不是查询中的“@date_param”。
WHERE (HD_STATUS.NAME = 'Closed'
AND HD_TICKET.TIME_CLOSED < ?;然后检查Dataset属性并确保“?”与参数的值关联:

https://stackoverflow.com/questions/49677700
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