CDbException

325     public function setActive($value)
326     {
327         if($value!=$this->_active)
328         {
329             if($value)
330                 $this->open();
331             else
332                 $this->close();
333         }
334     }
335 

303      */
304     public function init()
305     {
306         parent::init();
307         if($this->autoConnect)
308             $this->setActive(true);
309     }
310 
311     /**
312      * Returns whether the DB connection is established.
313      * @return boolean whether the DB connection is established

382             if(!isset($config['enabled']) || $config['enabled'])
383             {
384                 Yii::trace("Loading \"$id\" application component",'system.CModule');
385                 unset($config['enabled']);
386                 $component=Yii::createComponent($config);
387                 $component->init();
388                 return $this->_components[$id]=$component;
389             }
390         }
391     }
392 

445      * Returns the database connection component.
446      * @return CDbConnection the database connection
447      */
448     public function getDb()
449     {
450         return $this->getComponent('db');
451     }
452 
453     /**
454      * Returns the error handler component.
455      * @return CErrorHandler the error handler application component.

629     {
630         if(self::$db!==null)
631             return self::$db;
632         else
633         {
634             self::$db=Yii::app()->getDb();
635             if(self::$db instanceof CDbConnection)
636                 return self::$db;
637             else
638                 throw new CDbException(Yii::t('yii','Active Record requires a "db" CDbConnection application component.'));
639         }

1423     {
1424         if($checkScopes && ($criteria=$this->getDbCriteria(false))!==null && $criteria->alias!='')
1425             $alias=$criteria->alias;
1426         else
1427             $alias=$this->_alias;
1428         return $quote ? $this->getDbConnection()->getSchema()->quoteTableName($alias) : $alias;
1429     }
1430 
1431     /**
1432      * Sets the table alias to be used in queries.
1433      * @param string $alias the table alias to be used in queries. The alias should NOT be quoted.

1512      * @return CActiveRecord the record found. Null if none is found.
1513      */
1514     public function findByAttributes($attributes,$condition='',$params=array())
1515     {
1516         Yii::trace(get_class($this).'.findByAttributes()','system.db.ar.CActiveRecord');
1517         $prefix=$this->getTableAlias(true).'.';
1518         $criteria=$this->getCommandBuilder()->createColumnCriteria($this->getTableSchema(),$attributes,$condition,$params,$prefix);
1519         return $this->query($criteria);
1520     }
1521 
1522     /**

276         if(($ca=$this->createController($route))!==null)
277         {
278             list($controller,$actionID)=$ca;
279             $oldController=$this->_controller;
280             $this->_controller=$controller;
281             $controller->init();
282             $controller->run($actionID);
283             $this->_controller=$oldController;
284         }
285         else
286             throw new CHttpException(404,Yii::t('yii','Unable to resolve the request "{route}".',

136             foreach(array_splice($this->catchAllRequest,1) as $name=>$value)
137                 $_GET[$name]=$value;
138         }
139         else
140             $route=$this->getUrlManager()->parseUrl($this->getRequest());
141         $this->runController($route);
142     }
143 
144     /**
145      * Registers the core application components.
146      * This method overrides the parent implementation by registering additional core components.

175     public function run()
176     {
177         if($this->hasEventHandler('onBeginRequest'))
178             $this->onBeginRequest(new CEvent($this));
179         register_shutdown_function(array($this,'end'),0,false);
180         $this->processRequest();
181         if($this->hasEventHandler('onEndRequest'))
182             $this->onEndRequest(new CEvent($this));
183     }
184 
185     /**