public function map(Fluent $builder){
$builder->entity()->setRepositoryClass(DiscussionDoctrineRepository::class);
$builder->table('my_discussion');
$builder->increments('id');
$builder->string('title');
$builder->string('content');
$builder->string('cover');
$builder->string('createTime');
$builder->string('startTime');
$builder->string('endTime');
$builder->string('status');
$builder->string('hot')->columnName('hot_score');
$builder->oneToOne(User::class, 'user')->joinColumn('uid', 'uid');
}
above joinColumn not exist joinColumn method, is bug?