Laravel Algolia multiple cloumn search - php

Question

How can I search in two column in my mysql table example : I want search product name and with sku
I found some function but I cant entegreted , now only search with product name.
public function search(Builder $builder)
{
$result = [];
$query = DB::table($builder->model->searchTable());
$columns = implode(',', $builder->model->searchColumns());
$query->whereRaw("MATCH ({$columns}) AGAINST (? IN BOOLEAN MODE)", $this->getSearchKeyword($builder));
if ($builder->callback) {
$query = call_user_func($builder->callback, $query, $this);
}
$result['count'] = $query->count();
if (property_exists($builder, 'orders') && ! empty($builder->orders)) {
foreach ($builder->orders as $order) {
$query->orderBy($order['column'], $order['direction']);
}
}
if ($builder->limit) {
$query = $query->take($builder->limit);
}
if (property_exists($builder, 'offset') && $builder->offset) {
$query = $query->skip($builder->offset);
}
$result['results'] = $query->pluck($builder->model->searchKey());
return $result;
}
private function getProducts(Product $model)
{
return $model->search(request('query'))
->query()
->limit(10)
->withName()
->withBaseImage()
->withPrice()
->addSelect([
'products.id',
'products.slug',
'products.in_stock',
'products.manage_stock',
'products.qty',
'products.sku',
])
->with(['files', 'categories' => function ($query) {
$query->limit(5);
}])
->when(request()->filled('category'), $this->categoryQuery())
->get();
}