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如何在 CakePHP3 中编写以下 SQL 语句？

select * from feeds where feed_category_id in (SELECT feed_category_id FROM user_categories where user_id=1);

我知道它是一个子查询，但我不知道怎么写；

我试过了;

$usercategories = $usercategorytable->find('all')
    ->select('feed_category_id')
    ->where(['user_id'=>$user_id]);

$query->where(['feed_category_id' => $usercategories]);

但我得到了错误；

Error: SQLSTATE[21000]: Cardinality violation: 1242 Subquery returns more than 1 row

SELECT Feeds.id AS `Feeds__id`, Feeds.title AS `Feeds__title`, Feeds.url AS `Feeds__url`, Feeds.type AS `Feeds__type`, Feeds.description AS `Feeds__description`, Feeds.bhasimages AS `Feeds__bhasimages`, Feeds.user_id AS `Feeds__user_id`, Feeds.feed_category_id AS `Feeds__feed_category_id`, Feeds.feed_owner_id AS `Feeds__feed_owner_id`, Feeds.enabled AS `Feeds__enabled`, Feeds.created AS `Feeds__created`, Feeds.modified AS `Feeds__modified`, Feeds.errorflag AS `Feeds__errorflag`, Feeds.country AS `Feeds__country` FROM feeds Feeds WHERE feed_category_id = (SELECT user_categories.feed_category_id AS `user_categories__feed_category_id` FROM user_categories user_categories WHERE user_categories.user_id = :c0) LIMIT 20 OFFSET 0
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