Patent · US Active

Large string access and storage

US9977802B2 · kind B2 · utility

3Cited by

6References

20Claims

0Family size

Assignee

SAP SE · DE

Inventors

Colin Florendo · Marlborough, US
Ivan Schreter · Malsch, DE
Mihnea Andrei · Issy-les-Moulineaux, FR

Key dates

Filing date	Oct 27, 2014
Grant date	May 22, 2018
Priority date	—
Expiry date	Sep 21, 2036

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/22
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Techniques for handling large string values in a string dictionary within an in-memory database system are presented. The string dictionary can be a paged-column main dictionary. For example, a value block of a dictionary may be loaded into memory, where the dictionary stores values for dictionary compression. The value block may include a first portion of a large string value and one or more logical pointers to one or more large string pages containing a remainder of the large string value. The large string value may be materialized into a contiguous location in memory, and a pointer to the materialized large string value may be created.

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