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

    public function getHasManyReference($nsTable, $key)
    {
        $candidates = $columnCandidates = [];
        $targets = $this->structure->getHasManyReference($nsTable);
        $table = preg_replace('#^(.*\\.)?(.*)$#', '$2', $nsTable);
        foreach ($targets as $targetNsTable => $targetColumns) {
            $targetTable = preg_replace('#^(.*\\.)?(.*)$#', '$2', $targetNsTable);
            if (stripos($targetNsTable, $key) === FALSE) {
                continue;
            }
            foreach ($targetColumns as $targetColumn) {
                if (stripos($targetColumn, $table) !== FALSE) {
                    $columnCandidates[] = $candidate = [$targetNsTable, $targetColumn];
                    if (strcmp($targetTable, $key) === 0 || strcmp($targetNsTable, $key) === 0) {
                        return $candidate;
                    }
                }
                $candidates[] = [$targetTable, [$targetNsTable, $targetColumn]];
            }
        }
        if (count($columnCandidates) === 1) {
            return $columnCandidates[0];
        } elseif (count($candidates) === 1) {
            return $candidates[0][1];
        }
        foreach ($candidates as $candidate) {
            if (strtolower($candidate[0]) === strtolower($key)) {
                return $candidate[1];
            }
        }
        if (!empty($candidates)) {
            throw new AmbiguousReferenceKeyException('Ambiguous joining column in related call.');
        }
        if ($this->structure->isRebuilt()) {
            return NULL;
        }
        $this->structure->rebuild();
        return $this->getHasManyReference($nsTable, $key);
    }