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mongo Shell Method
This page documents the
mongoshell method, and does not refer to the MongoDB Node.js driver (or any other driver) method. For corresponding MongoDB driver API, refer to your specific MongoDB driver documentation instead.
Deprecated since version 3.0.
Starting in version 4.2, MongoDB removes the
evalcommand. The deprecated
db.collection.copyTo(), which wraps the
evalcommand, can only be run against MongoDB 4.0 or earlier versions. For behavior and example, refer to the 4.0 or earlier version of the manual.
Copies all documents from
newCollectiondoes not exist, MongoDB creates it.ParameterTypeDescription
newCollectionstringThe name of the collection to write data to.
db.collection.copyTo()returns the number of documents copied. If the copy fails, it throws an exception.