Deprecated since version 3.0.0: db.collection.ensureIndex() is now an alias for
Creates an index on the specified field if the index does not
Was this page helpful?
Thank you for your feedback!
We're sorry! You can Report a Problem to help us improve this page.
Copyright © 2011-2015 MongoDB, Inc. Licensed under Creative Commons. MongoDB, Mongo, and the leaf logo are registered trademarks of MongoDB, Inc.