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:
May. 26, 2026
Filed:
Oct. 29, 2024
Lemon Inc., Grand Cayman, KY;
Douyin Vision Co., Ltd., Beijing, CN;
Beijing Zitiao Network Technology Co., Ltd., Beijing, CN;
Ye Liu, Los Angeles, CA (US);
Li Zhang, Los Angeles, CA (US);
Lutong Zhang, Los Angeles, CA (US);
Mu Xiong, Beijing, CN;
Yupeng Jin, Beijing, CN;
Jie Zhou, Beijing, CN;
Bingyu Liu, Beijing, CN;
Jianjun Chen, Los Angeles, CA (US);
Lemon Inc., Grand Cayman, KY;
Douyin Vision Co., Ltd., Beijing, CN;
Beijing Zitiao Network Technology Co., Ltd., Beijing, CN;
Abstract
A hybrid transactional/analytical processing (HTAP) database is provided, which includes an online transaction processing (OLTP) engine, an online analytical processing (OLAP) engine provided separately from the OLTP engine, and a shared storage holding data. The shared storage includes an OLTP storage holding data in row format for responding to queries of the OLTP engine, and an OLAP storage holding data in column format for responding to queries of the OLAP engine. The OLAP storage includes a delta store configured to record changes made to the OLTP storage in an update, and a base store configured to implement the update from the delta store on data in persistent storage in a flush. The HTAP database further includes a table metadata service configured to generate and perform operations on table metadata of the data that is updated in the flush.