PHP开发框架Yii Framework教程(25) 数据库-Query Builder示例

SELECT c.FirstName, c.LastName , c.Address,c.Email。
FROM customer c
INNER JOIN
employee e
ON c.SupportRepId=e.EmployeeId

public function actionIndex()
{
$model = array();
$connection=Yii::app()->db;
$command=$connection->createCommand()
->select('c.FirstName, c.LastName, c.Address,c.Email')
->from('customer c')
->join('employee e','c.SupportRepId=e.EmployeeId')
->where('e.EmployeeId=4');
$dataReader=$command->query();
// each $row is an array representing a row of data
foreach($dataReader as $row)
{
$customer= new DataModel();
$customer->firstName=$row['FirstName'];
$customer->lastName=$row['LastName'];
$customer->address=$row['Address'];
$customer->email=$row['Email'];
$model[]=$customer;
}
$this->render('index', array(
'model' => $model,
));
}

select()
selectDistinct()
from()
where()
join()
leftJoin()
rightJoin()
crossJoin()
naturalJoin()
group()
having()
order()
limit()
offset()
union()

createTable()
renameTable()
dropTable()
truncateTable()
addColumn()
renameColumn()
alterColumn()
dropColumn()是
createIndex()
dropIndex()