Managing a read statement of a transaction
US11829354B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2021 |
| Grant date | Nov 28, 2023 |
| Priority date | — |
| Expiry date | Aug 2, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2365
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method for managing a read statement of a transaction, the method may include: (a) receiving the read statement, wherein the read statement is for receiving a data unit that is stored in a relational database; (b) finding one or more candidate versions of the data unit; wherein the finding may include: (i) accessing a database segment (DS) version metadata of one or more DS versions of one or more DSs that are related to the data unit and are stored in the relational database; (ii) performing a timestamp based determination that may include checking whether to ignore a database segment version when the database segment version metadata identifies the database segment version by a database segment commit timestamp; and (iii) performing a transaction metadata based determination of whether to ignore the database segment version when the database segment version metadata identifies the database segment version by a transaction identifier; and (c) responding to the read statement by outputting a version of the one or more candidate versions of the data unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.