Patent · US Active

Optimizing aggregate processing

US7657570B2 · kind B2 · utility

43Cited by

19References

9Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Yun Wang · Beijing, CN
Fen-Ling Lin · San Jose, US
Yao-Ching Chen · Saratoga, US
Mengchu Cai · San Jose, US
Jason Alexander Cu · San Jose, US
Allan B. Lebovitz · San Jose, US
Li-Mey Lee · Cupertino, US
Guogen Zhang · Nanhu, CN

Key dates

Filing date	Apr 20, 2007
Grant date	Feb 2, 2010
Priority date	—
Expiry date	Feb 7, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S707/99948
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Disclosed is method for processing an aggregate function. Rows that contain a reference to intermediate result structures are grouped to form groups. For each group, aggregate element structures are formed from the intermediate result structures and, if the aggregate function specifies ordering, the aggregate element structures are sorted based on a sort key.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.