首先是一个特定的ID,之后是所有ID按降序排列

问题描述

我首先需要获得一个特定的ID,然后再按降序获得所有ID。这就是我所做的,但是当我取消注释该订单行时,它将不起作用,

$result = $this->Practicetestanswers->find('all',['contain' => ['Practicetestquestions' =>
        ['Practicetestconceptassignment' => ['Practicetestconcept','Practicetest']
        ]]])
    ->where(['Practicetestanswers.user_id' => $student_id,'Practicetestquestions.is_active' => 'y','Practicetest.is_active' => 'y'
    ])
    ->select([
        'id' => 'Practicetest.id','test_code' => 'Practicetest.test_code','test_title' => 'Practicetest.test_title','time_taken' => 'SUM(Practicetestanswers.time_taken)',])
    ->group('Practicetest.id')
  //    ->order(["FIELD(Practicetest.id,'228')" => 'DESC'])   //need like this
        ->order(["Practicetest.id" => 'DESC'])
        ->hydrate(false)
        ->toArray();

解决方法

只需根据条件用订单替换此行

->order(['FIELD(Practicetest.id,"228")'=> 'DESC',"Practicetest.id" => 'DESC' ])