本文整理匯總了PHP中DboSource::calculate方法的典型用法代碼示例。如果您正苦於以下問題：PHP DboSource::calculate方法的具體用法？PHP DboSource::calculate怎麽用？PHP DboSource::calculate使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類DboSource的用法示例。
在下文中一共展示了DboSource::calculate方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的PHP代碼示例。
示例1: testVirtualFieldsInCalculate
/**
* test calculate to generate claculate statements on virtual fields
*
* @return void
*/
function testVirtualFieldsInCalculate()
{
$Article = ClassRegistry::init('Article');
$Article->virtualFields = array('this_moment' => 'NOW()', 'two' => '1 + 1', 'comment_count' => 'SELECT COUNT(*) FROM ' . $this->Dbo->fullTableName('comments') . ' WHERE Article.id = ' . $this->Dbo->fullTableName('comments') . '.article_id');
$result = $this->Dbo->calculate($Article, 'count', array('this_moment'));
$expected = 'COUNT(NOW()) AS `count`';
$this->assertEqual($expected, $result);
$result = $this->Dbo->calculate($Article, 'max', array('comment_count'));
$expected = 'MAX(SELECT COUNT(*) FROM comments WHERE `Article`.`id` = `comments`.`article_id`) AS `comment_count`';
$this->assertEqual($expected, $result);
}示例2: testVirtualFieldsInCalculate
/**
* test calculate to generate claculate statements on virtual fields
*
* @return void
*/
public function testVirtualFieldsInCalculate()
{
$Boat = ClassRegistry::init('Boat');
$commentsTable = $this->Dbo->fullTableName('comments', false, false);
$Boat->virtualFields = array('this_moment' => 'NOW()', 'two' => '1 + 1', 'comment_count' => 'SELECT COUNT(*) FROM ' . $commentsTable . ' WHERE Boat.id = ' . $commentsTable . '.article_id');
$result = $this->Dbo->calculate($Boat, 'count', array('this_moment'));
$expected = 'COUNT(NOW()) AS `count`';
$this->assertEquals($expected, $result);
$result = $this->Dbo->calculate($Boat, 'max', array('comment_count'));
$expected = "MAX(SELECT COUNT(*) FROM {$commentsTable} WHERE `Boat`.`id` = `{$commentsTable}`.`article_id`) AS `comment_count`";
$this->assertEquals($expected, $result);
}