Generating a native access plan for semi join operators
US10664475B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Dec 18, 2015 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Dec 16, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/2456
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are system, method, and computer program product embodiments for generating a native access plan for semi join operators. An embodiment operates by generating a plurality of variables based upon the positions of a plurality of operators in a compiled query plan, opening and traversing tables as the query plan is executed, and closing those tables based on the rows queried and the plurality of variables.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.