public function search()
{
// Warning: Please modify the following code to remove attributes that
// should not be searched.
$criteria = new CDbCriteria();
$criteria->compare('id', $this->id, true);
$criteria->compare('event_id', $this->event_id, true);
$criteria->compare('anaesthetic_type_id', $this->anaesthetic_type_id);
$criteria->compare('anaesthetist_id', $this->anaesthetist_id);
$criteria->compare('anaesthetic_type_id', $this->anaesthetic_type_id);
return new CActiveDataProvider(get_class($this), array('criteria' => $criteria));
}