collections:
post 用户发布的文章表 follow 关注关系 user 用户
怎么设计列出关注的人发布的文章,听说 in是不支持索引。
First find all the people you are following, and then check their articles. MongoDb does not support cross-table joint queries, so programs need to be implemented.
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First find all the people you are following, and then check their articles. MongoDb does not support cross-table joint queries, so programs need to be implemented.