我想以cakephp的格式检索数据,如group by table(model)
喜欢:
select user.*,category.*,area.* from user
left join category on user.cat_id=category.id
left join area on user.area_id=area.id
array(
[0] => Array(
[user]=>array(
[user_id] => 1
[user_name] => test user
)
[category]=>array(
[category_id] => 1
[category_name] => test cat
)
[area]=>array(
[area_id] => 1
[area_name] => area1
)
)
[1] => Array(
[user]=>array(
[user_id] => 2
[user_name] => test user
)
[category]=>array(
[category_id] => 2
[category_name] => test cat
)
[area]=>array(
[area_id] => 2
[area_name] => area2
)
)
)
每当我们触发连接查询时,按表检索所有数据组.
那怎么办呢?
表格区域的表结构和值:
CREATE TABLE IF NOT EXISTS `area` (
`id` int(11) NOT NULL,`a_name` varchar(20) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO `area` (`id`,`a_name`) VALUES
(1,'bapunagar'),(2,'bopal');
表类别的表结构和值
CREATE TABLE IF NOT EXISTS `category` (
`id` int(11) NOT NULL AUTO_INCREMENT,`c_name` varchar(20) NOT NULL,PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=2 ;
INSERT INTO `category` (`id`,`c_name`) VALUES
(1,'food');
表用户的表结构和值:
CREATE TABLE IF NOT EXISTS `user` (
`u_id` int(11) NOT NULL AUTO_INCREMENT,`u_name` varchar(20) NOT NULL,`cat_id` int(11) NOT NULL,`area_id` int(11) NOT NULL,PRIMARY KEY (`u_id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `user` (`u_id`,`u_name`,`cat_id`,`area_id`) VALUES
(1,'pragnesh',1,1),'tejash',2);
最佳答案
下面是实现所需数组的代码:
$sql = "select user.*,area.* from user left join category on user.cat_id=category.id left join area on user.area_id=area.id";
$res = mysql_query ($sql);
$finalArray = array();
while ($row = mysql_fetch_array($res,MYSQL_ASSOC)) {
$array = array();
for ($i = 0; $i < mysql_num_fields($res); ++$i) {
$table = mysql_field_table($res,$i);
$field = mysql_field_name($res,$i);
$array[$table][$field] = $row[$field];
}
$finalArray[] = $array;
}
print_r($finalArray);
Outputs as:
Array
(
[0] => Array
(
[user] => Array
(
[u_id] => 1
[u_name] => pragnesh
[cat_id] => 1
[area_id] => 1
)
[category] => Array
(
[id] => 1
[c_name] => food
)
[area] => Array
(
[id] => 1
[a_name] => bapunagar
)
)
[1] => Array
(
[user] => Array
(
[u_id] => 1
[u_name] => pragnesh
[cat_id] => 1
[area_id] => 1
)
[category] => Array
(
[id] => 1
[c_name] => food
)
[area] => Array
(
[id] => 1
[a_name] => bapunagar
)
)
...
)
希望这会对你有所帮助.
(编辑:李大同)
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