本文整理匯總了PHP中Cake\Database\Query::distinct方法的典型用法代碼示例。如果您正苦於以下問題：PHP Query::distinct方法的具體用法？PHP Query::distinct怎麽用？PHP Query::distinct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Cake\Database\Query的用法示例。
在下文中一共展示了Query::distinct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: testSelectDistinct
/**
* Tests that it is possible to select distinct rows
*
* @return void
*/
public function testSelectDistinct()
{
$query = new Query($this->connection);
$result = $query->select(['author_id'])->from(['a' => 'articles'])->execute();
$this->assertCount(3, $result);
$result = $query->distinct()->execute();
$this->assertCount(2, $result);
$result = $query->select(['id'])->distinct(false)->execute();
$this->assertCount(3, $result);
}示例2: _transformDistinct
/**
* Returns the passed query after rewriting the DISTINCT clause, so that drivers
* that do not support the "ON" part can provide the actual way it should be done
*
* @param \Cake\Database\Query $query The query to be transformed
* @return \Cake\Database\Query
*/
protected function _transformDistinct($query)
{
if (is_array($query->clause('distinct'))) {
$query->group($query->clause('distinct'), true);
$query->distinct(false);
}
return $query;
}