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:
Aug. 04, 2026
Filed:
May. 18, 2023
Beijing Volcano Engine Technology Co., Ltd., Beijing, CN;
Beijing Volcano Engine Technology Co., Ltd., Beijing, CN;
Abstract
The present application discloses a virtual column construction method based on data lake and a data query method. The present disclosure includes: first, automatically performing expression statistical analysis on a large quantity of statements to be analyzed in a data lake, so as to obtain an expression to be used; next, automatically constructing a virtual column construction request corresponding to the expression to be used, according to virtual column construction description information corresponding to the expression to be used, so that the virtual column construction request is used to request construction of a virtual column that can represent the expression to be used; then, according to the virtual column construction request, constructing a virtual column corresponding to the expression to be used, to enable the virtual column to represent the expression to be used.