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. 25, 2023
Filed:
Mar. 25, 2022
Snowflake Inc., Bozeman, MT (US);
Benoit Dageville, San Mateo, CA (US);
Adrian Hamza, Sammamish, WA (US);
William Waddington, Stateline, NV (US);
Khaled Yagoub, Fremont, CA (US);
Wumengjian Zhu, Cupertino, CA (US);
Lishi Jiang, Bellevue, WA (US);
Snowflake Inc., Bozeman, MT (US);
Abstract
The subject technology receives a statement to perform an operation to add a new column into a table. The subject technology generates a schema hash value for a new schema version associated with a new schema version value. The subject technology stores a mapping of the schema hash value to the new schema version value for the table in a metadata database. The subject technology stores a new schema entry based on the schema hash value, the new schema version value, and the new column for the table in the metadata database. The subject technology performs an operation to add the new column to the table.