mongooseestimateddocumentcount

This page documents a mongosh method. This is not the documentation for database commands or language-specific drivers, such as Node.js.

2020年5月20日 — The estimatedDocumentCount() function is quick as it estimates the number of documents in the MongoDB collection.

estimatedDocumentCount() of Mongoose gets the number of documents in a collection. It is fast because it uses the collection metadata rather than scanning the ...

2023年2月23日 — The estimatedDocumentCount() method is part of the Mongoose Query API and is used to estimate the number of documents in a collection.

estimatedDocumentCount()函数很快，因为它可以估算MongoDB集合中的文档数。它用于大型集合，因为此函数使用集合元数据而不是扫描整个集合。 Mongoose 模块的安装：.

Specifies this query as a estimatedDocumentCount() query. Faster than using countDocuments() for large collections because estimatedDocumentCount() uses ...

Estimates the number of documents in the MongoDB collection. Faster than using countDocuments() for large collections because estimatedDocumentCount() uses ...

Estimates the number of documents in the MongoDB collection. Faster than using `countDocuments()` for large collections because `estimatedDocumentCount()` uses ...

2018年12月11日 — 1 Answer 1 ... You are using mongoose 4.5.7 which doesn't have this function implemented but estimatedDocumentCount function was added in mongoose ...

2022年9月17日 — The estimatedDocumentCount() result is based on metadata for the count of all documents in a collection. As noted in the documentation @ ...