我正在尝试对来自多个数据库查询的结果进行组合和排序。
$events = collect();
$downedEvents = EventDowned::where('mission', $missionId)
->orderBy('mission_time', 'asc')
->get();
$events->push($downedEvents);
$getInOutEvents = EventGetInOut::where('mission', $missionId)
->orderBy('mission_time', 'asc')
->get();
$events->push($getInOutEvents);
$missileEvents = EventMissile::where('mission', $missionId)
->orderBy('mission_time', 'asc')
->get();
$events->push($missileEvents);
$flattenedEvents = $events->flatten();
$sortedEvents = $flattenedEvents->sortBy('mission_time');
return $sortedEvents->all();
结果如下:
正如您所看到的,它已正确组合结果,但它们仍保留原始查询顺序,而不是已排序。
我也试过
$sortedEvents = $flattenedEvents->sortBy(function($event) {
return (int) $event->mission_time;
});
答案 0 :(得分:10)
一个巨大的失败,我的漂亮的打印JSON chrome扩展正在弄乱显示顺序,查看原始响应显示它们实际上已正确排序... :: facepalm ::
答案 1 :(得分:1)
要扩展@Titan的答案,我想扩展名/邮递员应保持数组索引顺序。不太确定。
摆脱它
y_train
这是一个例子
return $collection->values();
该扩展程序仍将保持索引顺序
$arr = collect([
0 => [
'name' => 'foo',
'weight' => 70
],
1 => [
'name' => 'bar',
'weight' => 80
]
]);
return $arr->sortByDesc('weight');
这将获得所需的顺序。