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, 2020
Filed:
Dec. 18, 2015
Applicant:
Sybase, Inc., Dublin, CA (US);
Inventors:
Xiaobin Ma, Dublin, CA (US);
Xun Cheng, Dublin, CA (US);
Assignee:
SYBASE, INC., Dublin, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G06F 7/00 (2006.01); G06F 16/2453 (2019.01); G06F 16/2455 (2019.01);
U.S. Cl.
CPC ...
G06F 16/24544 (2019.01); G06F 16/2456 (2019.01);
Abstract
Disclosed herein are system, method, and computer program product embodiments for generating a native access plan for semi join operators. An embodiment operates by generating a plurality of variables based upon the positions of a plurality of operators in a compiled query plan, opening and traversing tables as the query plan is executed, and closing those tables based on the rows queried and the plurality of variables.