我在执行这句代码的时候会抛下面的异常
$towers = Tower::model()->findAll("city='$_GET[city]' AND status=0");
Description
CDbConnection failed to open the DB connection: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?' at line 1
Source File
/www/wwwroot/framework/db/CDbConnection.php(233)
00221: {
00222: if(empty($this->connectionString))
00223: throw new CDbException(Yii::t('yii','CDbConnection.connectionString cannot be empty.'));
00224: try
00225: {
00226: $this->_pdo=new PDO($this->connectionString,$this->username,
00227: $this->password,$this->_attributes);
00228: $this->initConnection($this->_pdo);
00229: $this->_active=true;
00230: }
00231: catch(PDOException $e)
00232: {
00233: throw new CDbException(Yii::t('yii','CDbConnection failed to open the DB connection: {error}',
00234: array('{error}'=>$e->getMessage())));
00235: }
00236: }
00237: }
00238:
00239: /**
00240: * Closes the currently active DB connection.
00241: * It does nothing if the connection is already closed.
00242: */
00243: protected function close()
00244: {
00245: $this->_pdo=null;
Stack Trace
#0 /www/wwwroot/framework/db/CDbConnection.php(208): CDbConnection->open()
#1 /www/wwwroot/framework/db/CDbConnection.php(187): CDbConnection->setActive(true)
#2 /www/wwwroot/framework/base/CApplication.php(734): CDbConnection->init()
#3 /www/wwwroot/framework/base/CApplication.php(385): CApplication->getComponent('db')
#4 /www/wwwroot/framework/db/ar/CActiveRecord.php(649): CApplication->getDb()
#5 /www/wwwroot/framework/db/ar/CActiveRecord.php(1695): CActiveRecord->getDbConnection()
#6 /www/wwwroot/framework/db/ar/CActiveRecord.php(512): CActiveRecordMetaData->__construct(Object(Tower))
#7 /www/wwwroot/tower/protected/models/Tower.php(11): CActiveRecord::model('Tower')
#8 /www/wwwroot/tower/protected/controllers/SiteController.php(21): Tower::model()
#9 /www/wwwroot/framework/web/actions/CInlineAction.php(32): SiteController->actionTower()
#10 /www/wwwroot/framework/web/CController.php(259): CInlineAction->run()
#11 /www/wwwroot/framework/web/CController.php(237): CController->runAction(Object(CInlineAction))
#12 /www/wwwroot/framework/web/CController.php(219): CController->runActionWithFilters(Object(CInlineAction), Array)
#13 /www/wwwroot/framework/web/CWebApplication.php(150): CController->run('tower')
#14 /www/wwwroot/framework/web/CWebApplication.php(121): CWebApplication->runController('site', 'tower')
#15 /www/wwwroot/framework/base/CApplication.php(170): CWebApplication->processRequest()
#16 /www/wwwroot/tower/index.php(11): CApplication->run()
#17 {main}
我的数据库配置如下：
'db'=>array(
'connectionString'=>'mysql:host=192.168.0.100;dbname=database1',
'username'=>'user',
'password'=>'pass',
'charset'=>'utf8',
// turn on schema caching to improve performance
'schemaCachingDuration'=>3600,
),