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.:

US 11194779 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 07, 2021

Filed:

Oct. 25, 2019
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Yue Li, Beijing, CN;

Zhao Wei Li, Beijing, CN;

Dong Jie Wei, Beijing, CN;

Ling Xu, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 16/22 (2019.01);
U.S. Cl.
CPC ...
G06F 16/2255 (2019.01); G06F 16/22 (2019.01); G06F 16/2228 (2019.01); G06F 16/2272 (2019.01);
Abstract

Embodiments of the present invention disclose a method, computer program product, and system for generating and manipulating an index for a table in a database. A query statement is received, the table of lines are searched, a result list is generated, and an index for the query statement is generated, wherein the index comprises information associated with the result list and the query condition. The query condition and the identifier of the table is extracted from the query statement, where the index is generated based on the query condition, the identifier of the table, and the result list. A hash value of the identifier of the table and the query condition is obtained, an association between the hash value and the result list to build the index is generated, and in response to a line of the plurality of lines in the table being modified, the index identified as invalid.


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