Does the static CIBlock->GetFields() method make queries to the database?

Question

1C-Bitrix

In short:
In a component with

$res = CIBlockElement::GetList(array(), $arFilter, false, array("nPageSize" => $arParams["ITEMS_PER_PAGE"]), $arSelect);

I get a list of infoblock elements and pass them to the template, where I display them with pagination:

$res->NavStart();
while ($ob = $res->GetNextElement()) {
    $item = $ob->GetFields();
    echo $item["ID"];
    echo $item["NAME"];
    echo $item["ACTIVE"];
  }
echo $res->NavPrint("Товары");

The question is, is this implementation correct? I know that it is not the best practice to make queries to the database in the template, so I would like to know - in this situation, the method
$ob->GetFields();
makes a query to the database or operates on an existing object of the CIBElement type?

Answer 1

This method is not static, the call itself tells us about it. Requests are not executed in it:

function GetFields()
{
  return $this->fields;
}

Requests are made in the $res->GetNextElement() method. In a good way, this code should be in the component, or in result_modifier.php.
UPD. If you need only those fields that are in the example, then it makes sense to write like this:

while ($item = $res->Fetch()) {
    echo $item["ID"];
    echo $item["NAME"];
    echo $item["ACTIVE"];
}

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