Search by attribute (not meta field) in WooCommerce

• I have a product.
• In the product card there are 2 attributes (with different id's), with two different prices.
• In wp_postmeta the product has 2(!!!) meta_key == _price.

Accordingly, the search works on the 1st price. How to make the search work on the 2nd price?

Attribute id of the 2nd price is "rentfortheevent" ("pa_rentfortheevent" in the attributes table in database).

Right now the search by price is done like this:

 function set_price($q)
  {
   $min_price = $_GET["min_price"];
   $max_price = $_GET["max_price"];

   $meta_query = $q -> get("meta_query");

   if ($min_price)
    {
     $meta_query[] = 
      [
       "key"     => "_price",
       "value"   => $min_price,
       "type"    => "NUMERIC",
       "compare" => ">=",
      ];
    }

   if ($max_price)
    {
     $meta_query[] = 
      [
       "key"     => "_price",
       "value"   => $max_price,
       "type"    => "NUMERIC",
       "compare" => "<=",
      ];
    }

   $q -> set("meta_query", $meta_query);
  }

 add_action("woocommerce_product_query", "set_price");

wp_postdata screenshot with two _price

So, I solved it.

It's not the prettiest solution, but there's no other.

1. I removed the search by meta fields.
2. For the taxonomy of the required attribute ("pa_rentfortheevent") I get all possible options ("terms").
3. I filter them by the requested price.
4. I add a filter by taxonomy with the remaining "slugs".

Since the filter is by taxonomy, another event is using - "woocommerce_product_query_tax_query".

The code is as follows:

 function custom_price_query($tax_query, $query)
  {
   $min_price = isset($_GET["min_price"]) ? intval($_GET["min_price"]) : 0;
   $max_price = isset($_GET["max_price"]) ? intval($_GET["max_price"]) : 10000000;
   
   $taxonomy = "pa_rentfortheevent";
   
   $terms = get_terms
    (
     [
      "taxonomy" => "pa_rentfortheevent",
      "hide_empty" => false
     ]
    );
   
   
   $slugs = [];
   
    
   for ($i = 0, $c_terms = count($terms); $i < $c_terms; $i++)
    {
     $tmp = $terms[$i] -> name;
   
     if (strpos($tmp, "dols") !== false)
      {
       $tmp = str_replace("dols", "", $tmp);
       $tmp = str_replace(".", "", $tmp);
       $tmp = str_replace(" ", "", $tmp);

       $tmp = intval($tmp);
   
       if (($tmp >= $min_price)
           && ($tmp <= $max_price)
          )
        {
         $slugs[] = $terms[$i] -> slug;
        }
      }
    }
   unset($i);
   

   $tax_query[] = 
    [
     "taxonomy" => $taxonomy,
     "field" => "slug", 
     "terms" => $slugs,
     "operator" => "IN"
    ];
   
   return $tax_query;
  }

 add_filter("woocommerce_product_query_tax_query", "custom_price_query", 10, 2);