時,轉換失敗嘗試運行此查詢以寫入返回課程中的文件列表,但運行此轉換失敗時發生轉換varchar值_1 '到數據類型int。將varchar值'_1'轉換爲數據類型int
SELECT cm.course_id, cc.title title, cc.dtmodified dtmodified, MIN(xf.FILE_SIZE) file_size, MIN(crl.resource_id) resource_id, MIN(xu.FULL_PATH) full_path
FROM BBLEARN.dbo.cms_resource_link crl
INNER JOIN BBLEARN.dbo.course_contents cc ON cc.pk1 = crl.parent_pk1
INNER JOIN BBLEARN.dbo.course_main cm ON cm.pk1 = crl.crsmain_pk1
INNER JOIN BBLEARN.dbo.course_users cu ON cm.pk1 = cu.crsmain_pk1
INNER JOIN BBLEARN.dbo.users u ON cu.users_pk1 = u.pk1
INNER JOIN BBLEARN_CMS_DOC.dbo.XYF_FILES xf ON crl.resource_id = xf.ENTRY_ID + '_1'
INNER JOIN BBLEARN_CMS_DOC.dbo.XYF_URLS xu ON xu.FILE_ID = xf.FILE_ID
INNER JOIN BBLEARN_CMS_DOC.dbo.XYF_FILES xf2 ON xu.PARENT_ID = xf2.FILE_ID
WHERE crl.parent_data_type='content'
AND cu.role='P'
AND crl.storage_type='PUBLIC'
AND xf.FILE_TYPE_CODE='F'
AND (LOWER(xu.FILE_NAME) LIKE N'%.mov%' or LOWER(xu.FILE_NAME) LIKE N'%.avi%' or LOWER(xu.FILE_NAME) LIKE N'%.wm%' or LOWER(xu.FILE_NAME) LIKE N'%.mp%' or LOWER(xu.FILE_NAME) LIKE N'%.rm%' or LOWER(xu.FILE_NAME) LIKE N'%.flv%' or LOWER(xu.FILE_NAME) LIKE N'%.amr%' or LOWER(xu.FILE_NAME) LIKE N'%.aif%' or LOWER(xu.FILE_NAME) LIKE N'%.aup%' or LOWER(xu.FILE_NAME) LIKE N'%.m4%' or LOWER(xu.FILE_NAME) LIKE N'%.wav%' or LOWER(xu.FILE_NAME) LIKE N'%.swf%')
AND xu.FULL_PATH NOT LIKE '/internal/%'
AND NOT EXISTS (
SELECT 1 FROM BBLEARN.dbo.cms_resource_link
WHERE crsmain_pk1 = crl.crsmain_pk1
AND parent_pk1 = crl.parent_pk1
AND parent_data_type='content'
AND resource_id = xf2.ENTRY_ID + '_1')
GROUP BY cm.course_id, cc.pk1, cc.title, cc.dtmodified ORDER BY 1;
第7行最多顯示21,我相信那裏是xf.ENTRY_ID + '_1'
的級聯和xf2.ENTRY_ID + '_1'
[請,請,請指定VARCHAR的長度(http://sqlblog.com/blogs/aaron_bertrand/archive/2009/10/09/bad-habits-到開球聲明,VARCHAR,而無需-length.aspx)。 –
@AaronBertrand我不知道這個案件的正確長度,這就是爲什麼我省略了它。 –
@AaronBertrand我甚至不知道它是一個'TIMYINT','SMALLINT','INT'還是'BIGINT' ......所以,對於這種情況最好是什麼? –