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.

Date of Patent:
Jul. 07, 2026

Filed:

Dec. 23, 2024
Applicant:

Snowflake Inc., Bozeman, MT (US);

Inventors:

Bowei Chen, San Bruno, CA (US);

Alice Liu, Waterloo, CA;

Corbin Mcelhanney, San Mateo, CA (US);

Eric Alan Musser, Redwood City, CA (US);

Assignee:

Snowflake Inc., Bozeman, MT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 16/22 (2019.01); G06F 16/2455 (2019.01);
U.S. Cl.
CPC ...
G06F 16/2255 (2019.01); G06F 16/24556 (2019.01); G06F 16/2456 (2019.01);
Abstract

Various example embodiments described herein provide for systems, methods, devices, instructions, and the like for optimizing a query plan to execute a query by pushing down top-k information in the query plan, which can be used within a data platform (e.g., database) environment. In particular, various example embodiments enable information from a top-k operator of a query plan to be pushed down the query plan and enable pushing the information through one or more outer join operators (e.g., through multiple levels of outer join operators) of the query plan to a select operator, such as an aggregation operator, positioned below the one or more outer join operators.


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