cursor.itcount()

Definition定义

cursor.itcount()

Important

mongosh Method

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

For MongoDB API drivers, refer to the language-specific MongoDB driver documentation.

Counts the number of documents remaining in a cursor.统计游标中剩余的文档数。

itcount() is similar to cursor.count(), but actually executes the query on an existing iterator, exhausting its contents in the process.类似于cursor.count()，但实际上是在现有迭代器上执行查询，从而在过程中耗尽其内容。

The itcount() method has the following prototype form:itcount()方法具有以下原型形式：

db.collection.find(<query>).itcount()

Tip

See also: 另请参阅：

cursor.count()