我需要从查询中排除一些记录,其中日期名称在排除值“excl_days”中设置。
简单的功能正在运行:
SELECT post_id, start, end, excl_days FROM `mytable_events`
WHERE `excl_days` NOT LIKE '%".$today_name."%'
ORDER BY DATE(start) DESC
但是对于 JOIN 和 GROUP,我在添加 NOT LIKE 后得到空结果。没有 NOT LIKE 一切都工作正常。
SELECT o1.post_id, o1.start, o1.end, o1.excl_days
FROM `mytable_events` o1
JOIN `mytable_posts` o2 ON o1.post_id = o2.ID
WHERE `o1.excl_days` NOT LIKE '%".$today_name."%'
GROUP BY o1.post_id ORDER BY DATE(o1.start) DESC
完整查询是:
SELECT o1.post_id, o1.start, o1.end, o1.excl_days
FROM `mytable_events` o1
JOIN `mytable_posts` o2 ON o1.post_id = o2.ID
WHERE DATE(o1.start) <= '".$today."' AND DATE(o1.end) >= '".$today."'
AND o2.post_type = 'events' AND o2.post_status = 'publish'
AND `o1.excl_days` NOT LIKE '%".$today_name."%'
GROUP BY o1.post_id ORDER BY DATE(o1.start) DESC
如何使其发挥作用?谢谢您的帮助。
最佳答案
试试这个:
SELECT o1.post_id, o1.start, o1.end, o1.excl_days
FROM `mytable_events` o1
JOIN `mytable_posts` o2 ON (o1.post_id = o2.ID
AND o1.excl_days NOT LIKE '%".$today_name."%')
GROUP BY o1.post_id ORDER BY DATE(o1.start) DESC
关于mysql - 如何在mysql中同时使用NOT LIKE和JOIN?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/15363890/