我想用nodejs读取数据库中一张表中共有多少数据，我现在用的是find方法，但很明这样要读完所有的数据太慢了，请问有没有什么方法直接读取到表长度？
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count method
Get used to reading more documents, count syntax referencehttps://docs.mongodb.com/manu...
Refer to the official Node.js driver manual
http://mongodb.github.io/node...
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count method
Get used to reading more documents, count syntax reference
https://docs.mongodb.com/manu...
Refer to the official Node.js driver manual
http://mongodb.github.io/node...