Patent ID: 11860892
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 4:
5. A method, comprising:
receiving, via an interface of a document database service, one or more requests to create a new index for a collection of items stored in the document database service, wherein the new index is to be created according to a selection of one or more item attributes to order the new index that are specified according to the one or more requests;
responsive to the request, creating, by the document database service, the new index for the collection of items, wherein the creating comprises:
storing attribute values copied from the collection of items to fill in the new index according to the selection of one or more items to order the new index; and
replicating updates performed to the collection of items to the new index to keep the new index consistent with the collection of items according to a selection between one of the replicated updates and one of the attribute values, wherein updates are selectively applied according to respective version identifiers for the attribute values and the one or more items.