Yii 条件中的复杂查询

Question

我有一个搜索条件。现在我需要一个复杂的查询

如下 MySQL

SELECT id, location_lat, location_lng, ((location_lat - $lat)*(location_lat - $lat) + (location_lng - $lng)*(location_lng - $lng)) as distsqr FROM revite.tbl_event where location_lat is not null and location_lng is not null order by distsqr;

Yii--条件如下

    $criteria = new CDbCriteria;
    $criteria->addSearchCondition('name', $model->name);

如何将以上 MySQL 查询添加或组合到以上条件中？

请推荐我。

谢谢。

Answer 1

我解决了这个问题

 $criteria = new CDbCriteria;
 $criteria->addSearchCondition('name', $model->name);
 $criteria->addCondition('location_lat is not null and location_lng is not null');
 $criteria->order = '(location_lat - :lat) * (location_lat - :lat) + (location_lng - :lng) * (location_lng - :lng)';
 $criteria->params[':lat'] = $lat;
 $criteria->params[':lng'] = $lng;

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