Patent · US Active

Calculation models using annotations for filter optimization

US8914387B2 · kind B2 · utility

2Cited by

3References

18Claims

0Family size

Assignee

SAP AG · DE

Inventors

Christoph Weyerhaeuser · Leimen, DE
Tobias Mindnich · Walldorf, DE
Daniel Baeumges · Viersen, DE
Gerrit Simon Kazmaier · Heidelberg, DE

Key dates

Filing date	Apr 26, 2012
Grant date	Dec 16, 2014
Priority date	—
Expiry date	Dec 25, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/24542
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A query statement is received that requires at least one calculated attribute. Thereafter, a data flow graph is generated that includes a plurality of nodes for executing the query. At least one of the nodes corresponds to the at least one calculated attribute and has at least one level of child nodes. The data flow graph is generated by generating at least one filter for each of the nodes corresponding to the at least one calculated attribute and by pushing down the generated filters to a corresponding child node. Once the data flow graph is generated, execution of the query can be initiated using the generated data flow graph. Related apparatus, systems, techniques and articles are also described.

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