createIndex
fun <T : Any> MongoCollection<T>.createIndex(keys: String, indexOptions: IndexOptions = IndexOptions()): String
Create an index with the given keys and options.
Return
the index name
Parameters
keys
an object describing the index key(s), which may not be null.
indexOptions
the options for the index
fun <T : Any> MongoCollection<T>.createIndex(clientSession: ClientSession, keys: String, indexOptions: IndexOptions = IndexOptions()): String
Create an index with the given keys and options.
Return
the index name
Parameters
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