PhpBench\Extensions\Dbal\Storage\Driver\Dbal\Schema::createGroupSubject PHP Method

    private function createGroupSubject()
    {
        $table = $this->createTable('sgroup_subject');
        $table->addColumn('sgroup', 'string');
        $table->addColumn('subject_id', 'integer');
        $table->addForeignKeyConstraint($this->subjectTable, ['subject_id'], ['id'], ['onDelete' => 'CASCADE']);
    }