本文整理汇总了PHP中Cake\Database\Query::distinct方法的典型用法代码示例。如果您正苦于以下问题:PHP Query::distinct方法的具体用法?PHP Query::distinct怎么用?PHP Query::distinct使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Cake\Database\Query
的用法示例。
在下文中一共展示了Query::distinct方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。
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;
}