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Asynchronous I/O that doesn’t get in your way, written in D

Function MongoCollection.countDocuments

Returns the count of documents that match the query for a collection or view.

ulong countDocuments(T) (
  T filter,
  CountOptions options = CountOptions.init

The method wraps the $group aggregation stage with a $sum expression to perform the count.

Throws Exception if a DB communication error occurred.

See Also


Sönke Ludwig


© 2012-2016 Sönke Ludwig


Subject to the terms of the MIT license, as written in the included LICENSE.txt file.