【发布时间】:2015-10-28 03:14:29
【问题描述】:
我的输出数组名为“Feed Items” (fi):
(
[0] => Array
(
[reg] => 2015-08-03 13:39:00
[id] => fd7ec4107d16b07c1a13cbdd386af8d2cb05ffca
[user_id] => de5fd44db1760b006b1909cf1db11a78b38e455c
[img] => edee88e88cf6e17732e393b5433cfd894662902e
[type] => new_join_ambition
)
)
我生成了一个名为“RemovedFeedItems”(rfi)的数组,其结构如下:
(
[0] => Array
(
[object_id] => fd7ec4107d16b07c1a13cbdd386af8d2cb05ffca
[postee_id] => de5fd44db1760b006b1909cf1db11a78b38e455c
[type] => new_join_ambition
)
)
我的任务是不获取具有以下条件的记录:
ri.id == rfi.object_id && ri.user_id == rfi.postee_id && ri.type == rfi.type
我用来获取 Feed Items 数组的查询是:
SELECT
i.registered AS reg,
a.id,
u.id AS user_id,
ui.image_id AS img,
'new_join_ambition' AS type,
FROM x_ambition_invites i
LEFT JOIN x_user u
ON i.to = u.id
LEFT JOIN x_user_images ui
ON u.id = ui.user_id
LEFT JOIN x_ambitions a
ON i.ambition_id = a.id
WHERE a.registered
BETWEEN '2014-07-21 14:25:03' AND '2015-08-05 12:04:41'
AND i.to != '8fa7a1679560876eaf2f8060abd916b692c719dc'
AND i.to IN ('de5fd44db1760b006b1909cf1db11a78b38e455c')
如何调整我的查询以实现从 FeedItems 数组中删除所述记录的条件?
提前致谢。
【问题讨论】:
-
您是否尝试将 AND NOT (id == object_id AND user_id == postee_id AND type == type) 添加到 where 子句的末尾 - 显然限定了字段名称(a.id 等)
-
@PaulF 但需要考虑的是后一种情况可能在一个大数组中。那么我该如何从本质上做到以下几点:
(a.id == $a[n]['object_id'] AND a.user_id == $a[n]['postee_id'] AND a.type == $a[n]['type'])通过 removedFeedItems 数组的所有索引 -
感谢您的澄清 - 认为它不会像我建议的那么简单。
标签: php mysql arrays conditional-statements notin