Nette\Database\Conventions\DiscoveredConventions::getBelongsToReference PHP Метод

    public function getBelongsToReference($table, $key)
    {
        $tableColumns = $this->structure->getBelongsToReference($table);
        foreach ($tableColumns as $column => $targetTable) {
            if (stripos($column, $key) !== FALSE) {
                return [$targetTable, $column];
            }
        }
        if ($this->structure->isRebuilt()) {
            return NULL;
        }
        $this->structure->rebuild();
        return $this->getBelongsToReference($table, $key);
    }