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0.7.30

Function MongoCollection.findOne

Queries the collection for existing documents.

Prototypes

auto findOne(R, T, U)(
  T query,
  U returnFieldSelector,
  QueryFlags flags = QueryFlags.None
);

auto findOne(R, T)(
  T query
);

Returns

By default, a Bson value of the matching document is returned, or Bson(null) when no document matched. For types R that are not Bson, the returned value is either of type R, or of type , if R is not a reference/pointer type.

Throws

Exception if a DB communication error or a query error occured.

See Also

http://www.mongodb.org/display/DOCS/Querying

Authors

Sönke Ludwig

Copyright

© 2012-2016 RejectedSoftware e.K.

License

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