計數關係表條目

Question

代碼：

$criteria = new CDbCriteria; 
$criteria->select='id, name, count(events.id) AS event_relational'; 
$criteria->with=array('events'); 
$model = Profiles::model()->findAll($criteria); 

響應：

[{"id":"1","name":"Profile 1","event_relational":"0"}] 

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代碼2：

$criteria = new CDbCriteria; 
$criteria->select='id, name'; 
$criteria->with=array('events'); 
$model = Profiles::model()->findAll($criteria); 

響應2：

[{"id":"1","name":"Profile 1","event_relational":null},{"id":"2","name":"Profile 2","event_relational":null}...] 

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當我使用次數第一的MySQL進入查詢停止。 我想代碼返回所有條目，並檢查是否有關係事件。

迴應，我想：

[{"id":"1","name":"Profile 1","event_relational":"0"},{"id":"2","name":"Profile 2","event_relational":"1"}...] 

Answer 1

要做到這一點，你需要group由profile.id：

$criteria = new CDbCriteria; 
$criteria->select='id, name, count(events.id) AS event_relational'; 
$criteria->with=array('events'); 
$criteria->group='t.id'; 
$model = Profiles::model()->findAll($criteria);