Patent · US Active

Partial sub-lock for delta object management

US7860848B2 · kind B2 · utility

0Cited by

0References

25Claims

0Family size

Assignee

SAP AG · DE

Inventors

Andrei Suvernev · Palo Alto, US
Thorsten Glebe · Leimen, DE

Key dates

Filing date	Mar 30, 2007
Grant date	Dec 28, 2010
Priority date	—
Expiry date	Apr 30, 2028

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/2329
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A system may include creation a first database object associated with a primary key and a first delta ID m, association of a first pointer with the first database object, creation of a data structure associating the first pointer with a first index m, a second index m and a delta object map, determination of a request from a transaction to change a database object associated with the first pointer, incrementing of the first index of the data structure, creation of a second database object associated with the primary key and a second delta ID m+1, the second database object being associated with a change to the first database object, and modification of the delta object map to indicate the second database object.

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