EntityRelationTable::deleteExistingSourceElementsOfTheSameType

static function deleteExistingSourceElementsOfTheSameType(EO_EntityRelation $newBinding): void
{
	$queryResult = static::getList([
		'select' => ['*'],
		'filter' => [
			'=SRC_ENTITY_TYPE_ID' => $newBinding->getSrcEntityTypeId(),
			'=DST_ENTITY_TYPE_ID' => $newBinding->getDstEntityTypeId(),
			'=DST_ENTITY_ID' => $newBinding->getDstEntityId(),
		],
	]);
	while ($existingElement = $queryResult->fetchObject())
	{
		$existingElement->delete();
	}
}