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:
Jul. 23, 2024
Filed:
Sep. 14, 2022
Applicant:
Snowflake Inc., Bozeman, MT (US);
Inventors:
Thierry Cruanes, San Mateo, CA (US);
Sangyong Hwang, Sammamish, WA (US);
Nitish Jindal, Bellevue, WA (US);
Jiaqi Yan, Menlo Park, CA (US);
Yongsik Yoon, Sammamish, WA (US);
Assignee:
Snowflake Inc., Bozeman, MT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/2453 (2019.01);
U.S. Cl.
CPC ...
G06F 16/24544 (2019.01); G06F 16/24537 (2019.01);
Abstract
Techniques for join elimination are described herein. Join elimination can identify and eliminate unnecessary joins in a query plan node. For example, join elimination can involve a semantic query optimization technique, which removes reference to a table whose columns are only referenced in join predicates if the joins do not filter/expand rows in the result. Such joins can cause significant performance issues on larger datasets if not optimized.