fun <T> MongoCollection<T>.createIndex(keys: String, indexOptions: IndexOptions = IndexOptions()): String (source)
Create an index with the given keys and options.
keys - an object describing the index key(s), which may not be null.
indexOptions - the options for the index
Return
the index name
fun <T> MongoCollection<T>.createIndex(clientSession: ClientSession, keys: String, indexOptions: IndexOptions = IndexOptions()): String (source)
Create an index with the given keys and options.
clientSession - the client session with which to associate this operation
keys - an object describing the index key(s), which may not be null.
indexOptions - the options for the index
Return
the index name