protected function generateForeignKeys( array $tables )
	{
		$this->method = 'table';

		foreach ( $tables as $table ) {
			$this->table = $table;
			$this->migrationName = 'add_foreign_keys_to_'. $this->table .'_table';
			$this->fields = $this->schemaGenerator->getForeignKeyConstraints( $this->table );

			$this->generate();
		}
	}