Title:
EXECUTION PLAN PROCESSING METHOD, DEVICE, AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/169322
Kind Code:
A1
Abstract:
An execution plan processing method, device, and system, relating to the field of databases. The method comprises: executing a first execution plan of a structured query language (SQL) sentence; when the performance of the first execution plan of the SQL sentence is degraded, obtaining a second execution plan of the SQL sentence; and executing the second execution plan to replace the execution of the first execution plan. The method is used for executing an execution plan in a database, thereby reducing the influence of a degraded execution plan on the database.
Inventors:
ZHAO JUN (CN)
Application Number:
PCT/CN2020/121193
Publication Date:
September 02, 2021
Filing Date:
October 15, 2020
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06F16/2453
Foreign References:
| CN106796499A | 2017-05-31 | |||
| CN102436494A | 2012-05-02 | |||
| CN108388626A | 2018-08-10 | |||
| US20140046928A1 | 2014-02-13 |
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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