cakephp 3.0查询未获取所需结果

问题描述

我的代码

My Code

$table = TableRegistry::get('Mechines');
 $mechines = $table->find()->select(['Mechines.id',
              'sum' => $table->find()->where(['purchases.mechine_id' =>                         'Mechines.id'])->func()->sum('purchases.qty')
                ])->join(['purchases'])->group('Mechines.id')>toArray('assoc');
        var_dump($mechines);
        die;

重新查询

Requered Query

SELECT m.*,(select sum(p.qty) from purchases p
                WHERE p.mechine_id=m.id) AS numberOfFills,
                (select sum(p.qty*p.cost) from purchases p
                WHERE p.mechine_id=m.id) AS revenue FROM `mechines` m

plsease有人帮我

plsease someone help me

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