[英]Backbonejs only fetching one record on PHP JOIN
好了,所以我有一个php响应GET HTTP请求; 这个php脚本调用数据库,并检索一组行。
$results = $db->pdoquery("SELECT * FROM posts JOIN users ON posts.user_id=users.id ORDER BY posts.cre DESC LIMIT 4");
$json = json_encode($results);
echo $json;
现在,当我使用骨干js'.fetch'命令时,它只返回第一条记录1,而不是四条记录。
如果我更改了php脚本,我会得到全部四个,但是我必须失去JOIN
$results = $db->pdoquery("SELECT * FROM posts ORDER BY posts.cre DESC LIMIT 4");
$json = json_encode($results);
echo $json;
谁能解释我在做什么错?
更新:PHP页面打印的JSON
[{"id":"7","post_name":"title","pretty_url":"link1","preface":"a preface 7","body_text":"a body","feat":"0","img":"\/img\/logo.png","cre":"2012-07-22","modi":"2012-07-18","user_id":"2"},{"id":"6","post_name":"title","pretty_url":"link","preface":"a preface 6","body_text":"a body1","feat":"0","img":"\/img\/logo.png","cre":"2012-07-21","modi":"2012-07-18","user_id":"2"},{"id":"5","post_name":"TestTitle 1","pretty_url":"testlink4","preface":"a preface 5","body_text":"a body 2","feat":"0","img":"\/img\/logo.png","cre":"2012-07-20","modi":"2012-07-16","user_id":"2"},{"id":"4","post_name":"TestTitle 1","pretty_url":"testlink3","preface":"a preface 4","body_text":"a body 3","feat":"0","img":"\/img\/logo.png","cre":"2012-07-19","modi":"2012-07-16","user_id":"2"}]
我发现了问题。
“帖子和用户”具有相同名称的列,主要是“ id”,并且由于这四个帖子记录具有相同的user_id,因此“ id”列的设置相同。
骨干网必须内置一些东西,以跳过它认为相同的记录或类似的记录。 简单地详细描述我需要的内容即可解决此问题。
无论修复它的代码在下面
$results = $db->pdoquery("SELECT
posts.post_name, posts.pretty_url, posts.preface, posts.img, posts.cre, posts.modi, users.username
FROM posts
JOIN users
ON posts.user_id=users.id
ORDER BY posts.cre
DESC LIMIT 4");
$json = json_encode($results);
echo $json;
谢谢大家的帮助。
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