Storm\Drivers\Platforms\Mysql\Syncing\TableTraitManager::ForeignKey PHP Метод

    public function ForeignKey(QueryBuilder $QueryBuilder, Table $Table, Traits\ForeignKey $Trait)
    {
        $ColumnNameMap = $Trait->GetParentReferencedColumnNameMap();
        $PrimaryColumns = array_keys($ColumnNameMap);
        $ForeignColumns = array_values($ColumnNameMap);
        $QueryBuilder->AppendIdentifier('CONSTRAINT # ', [$Trait->GetName()]);
        $QueryBuilder->AppendIdentifiers('FOREIGN KEY (#) ', $PrimaryColumns, ',');
        $QueryBuilder->AppendIdentifier('REFERENCES # ', [$Trait->GetReferencedTable()->GetName()]);
        $QueryBuilder->AppendIdentifiers('(#) ', $ForeignColumns, ',');
        $QueryBuilder->Append('ON UPDATE ' . $this->MapForeignKeyMode($Trait->GetUpdateMode()) . ' ');
        $QueryBuilder->Append('ON DELETE ' . $this->MapForeignKeyMode($Trait->GetDeleteMode()) . ' ');
    }