Patent · US Active

Rule-based extendable query optimizer

US8793243B2 · kind B2 · utility

74Cited by

5References

10Claims

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	Jul 29, 2014
Priority date	—
Expiry date	Jun 15, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/9038
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A query is received which causes an initial data flow graph that includes a plurality of nodes that are used to execute the query is generated. Thereafter, the initial data flow graph is optimized using a model optimizer that includes an optimizer framework and an application programming interface (API). The optimizer framework provides logic to restructure the initial data flow graph and a rules engine for executing one or more optimization rules. The API allows for registration of new optimization rules to be executed by the rules engine. Execution of the query is then initiated using the optimized data flow graph. Related apparatus, systems, techniques and articles are also described.

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