[英]Select approved comments and unapproved comments of current user MySQL PHP
我是mysql新手,從mysql數據庫中選擇數據時遇到問題:
$post_id = 3;
$current_user_id = 1;
$query = "SELECT `comments`.*, `users`.`username`, `users`.`image` FROM (`comments`)
LEFT JOIN `users` ON `comments`.`user_id` = `users`.`id`
WHERE `comments`.`post_id` = '$post_id'
AND `comments`.`status` = 1
AND `users`.`status` = 1
ORDER BY `comments`.`date` desc";
此選擇從數據庫中選擇所有批准的注釋,但是在此選擇中,我需要$ current_user_id的所有未批准的注釋,
結果必須如下所示:
[所有批准的帖子評論] + [$ current_user_id的所有未批准帖子評論]
不知道這是否真的有效,請嘗試一下。 由於沒有架構,因此無法測試查詢。
SELECT `comments`.*, `users`.`username`, `users`.`image` FROM (`comments`)
LEFT JOIN `users` ON `comments`.`user_id` = `users`.`id`
WHERE `comments`.`post_id` = '$post_id'
AND (
(`comments`.`status` = 1 AND `users`.`status` = 1)
OR
( `comments`.`status` = 0 AND `users`.`id`= '$current_user_id' )
)
ORDER BY `comments`.`date` desc
我認為是選擇所有已approved comments
或(未批准,但來自此用戶的評論)。 您可能需要更改查詢,直到獲得真正需要的內容為止,我只是為您提供想法,而不是確切的查詢。 希望這會幫助你。
SELECT `comments`.*, `users`.`username`, `users`.`image` FROM (`comments`)
LEFT JOIN `users` ON `comments`.`user_id` = `users`.`id`
WHERE `comments`.`post_id` = '$post_id'
AND `comments`.`status` = 1
AND `users`.`status` = 1
UNION ALL
SELECT `comments`.*, `users`.`username`, `users`.`image` FROM (`comments`)
LEFT JOIN `users` ON `comments`.`user_id` = `users`.`id`
WHERE `comments`.`post_id` = '$post_id'
AND `comments`.`status` = 0
AND `users`.`id` = '$current_user_id'
ORDER BY `comments`.`date` desc
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