CakePHP连续38次查询“SET CHARACTER SET utf8”进行简单查找(“all”)(递归属性默认为0)的原因是什么?
我使用MySQL作为数据库,假设我创建了一个如下所示的用户表:
CREATE TABLE users (
id INT NOT NULL AUTO_INCREMENT,
username char(50) UNIQUE,
password char(40),
post_id INT,
created DATETIME,
modified DATETIME,
CONSTRAINT PRIMARY KEY (id),
CONSTRAINT FOREIGN KEY (post_id) REFERENCES posts (id)
ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=INNODB;
和一个看起来像这样的帖子表:
CREATE TABLE posts (
id INT NOT NULL AUTO_INCREMENT,
title VARCHAR(30) NOT NULL,
content TEXT NOT NULL,
CONSTRAINT PRIMARY KEY (id)
) ENGINE=INNODB;
在我的users_controller.php中,我写了一个动作:
$log = $this->User->getDataSource()->getLog(false, false);
$this->User->find("all",
array(
'conditions' => array('id' => 3),
'recursive' => 0
));
debug($log);
我没有用上面的数据对此进行测试,但是显示了上面的表格,因为它们与我当前的数据库类似。我使用25个表与engine = innodb。
debug是一个包含41个查询的数组,其中2个查询检索用户和帖子。其他39个查询是相同的,如下所示:
Array
(
[log] => Array
(
[0] => Array
(
[query] => SET CHARACTER SET utf8;
[error] =>
[affected] => 0
[numRows] =>
[took] => 0
)
[1] => Array
(
[query] => SET CHARACTER SET utf8;
[error] =>
[affected] => 0
[numRows] =>
[took] => 0
)
.
.
.
[38] => Array
(
[query] => SET CHARACTER SET utf8;
[error] =>
[affected] => 0
[numRows] =>
[took] => 0
)
这应该发生吗?在我的config / database.php文件中,如果我将编码设置为'utf8'并不重要。我确实想要'utf8',但我不想要38个不必要的查询。
var $default = array(
'driver' => 'mysql',
'persistent' => false,
'host' => 'localhost',
'login' => 'mylogin',
'password' => 'mypassword',
'database' => 'mydatabase',
'encoding' => 'utf8'
);
答案 0 :(得分:1)
答案 1 :(得分:1)
问题解决了。这是我的错误。 AppModel中的构造函数有一行:
$this->query( "SET CHARACTER SET utf8;" );