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Returns an array that holds a list of documents that identify and describe the existing indexes on the collection. You must call db.collection.getIndexes() on a collection. For example:


Change collection to the name of the collection for which to return index information.


Changed in version 3.0.0.

For MongoDB 3.0 deployments using the WiredTiger storage engine, if you run db.collection.getIndexes() from a version of the mongo shell before 3.0 or a version of the driver prior to 3.0 compatible version, db.collection.getIndexes() will return no data, even if there are existing indexes. For more information, see WiredTiger and Driver Version Compatibility.


db.collection.getIndexes() returns an array of documents that hold index information for the collection. Index information includes the keys and options used to create the index. For information on the keys and index options, see db.collection.createIndex().