Let's say I have a table Users in the database. The user table has article_id. I also have an array let's say article_ids. Now I want to take all the users in the database that have article_id in that array of ids. I am trying to with the following query:Let's say I have a table Users in the database.
阅读背景：
查询带有id数组的mongo，其中where子句ruby on rails
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