The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 28, 2021
Filed:
Feb. 28, 2019
Walmart Apollo, Llc, Bentonville, AR (US);
Jason Christopher Sardina, Carlsbad, CA (US);
William R. Eschenbruecher, III, Encinitas, CA (US);
Jun Yi, San Marcos, CA (US);
Yi Lu, San Diego, CA (US);
Nitin Chhabra, III, San Diego, CA (US);
Ying Zhang, San Diego, CA (US);
Alexei Olkhovskii, Vista, CA (US);
Robert Bruce Woods, III, Solana Beach, CA (US);
Scott Melvin Harvester, San Marcos, CA (US);
Robert Perry Lowell, Carlsbad, CA (US);
WALMART APOLLO, LLC, Bentonville, AR (US);
Abstract
A system can comprise one or more processors; and one or more non-transitory computer-readable media storing computing instructions configured to run on the one or more processors and perform: receiving a request for a write operation of an input record in a data store associated with a sharded database and an alternate-key-global-index (AKGI) database; generating a new optimistic lock value, the new optimistic lock value being unique in the sharded database; when the data store does not include a data record associated with the input record, creating the dummy data record in the data store; locking the data record for the write operation by setting the DROpLock of the data record to the new optimistic lock value; and performing the write operation of the input record in the AKGI database and the sharded database. In this embodiment, performing the writing operation further comprising inserting or updating an index record derived from the data record before updating the data record and locking the index record before inserting or updating the index record. Other embodiments are disclosed.