Patents by Inventor Yanxin Luo

Yanxin Luo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DATA MIGRATION METHOD AND APPARATUS, DEVICE, DISTRIBUTED SYSTEM AND STORAGE MEDIUM
    Publication number: 20240028568
    Abstract: A data migration method and apparatus, a device, a distributed system and a storage medium are provided. Said method is applied to each data node in a distributed system comprising a plurality of data nodes. Said method comprises: determining, in a current data migration task, a table to be migrated of a current node, and a target data node (S101); and writing incremental data in the table to be migrated into the table to be migrated, and a target data table of the target data node, the incremental data being data obtained by performing, after the data migration task is started, a change operation on data in the table to be migrated (S102).
    Type: Application
    Filed: September 3, 2021
    Publication date: January 25, 2024
    Inventors: Yanxin LUO, Feifei LI, Wei CAO
  • Scaled-out query execution engine
    Patent number: 11429610
    Abstract: A method, a system, and a computer program product for generating a query executable plan. A query requiring access to data stored in a database system is received. Based on the received query, a query execution plan having a plurality of query execution pipelines is generated. Each query execution pipeline in the plurality of query execution pipelines is configured to execute a plurality of operations in a predetermined order associated with each query execution pipeline. The generated query execution plan is fragmented into a plurality of fragments. Each fragment has one or more query execution pipelines in the plurality of query execution pipelines. The received query is executed by executing each fragment in the plurality of fragments.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: August 30, 2022
    Assignee: SAP SE
    Inventors: Xun Cheng, Zhen Tian, Yuncong Qiao, Faming Qu, Paul Willems, Hongyong Lu, Yanxin Luo, Nitesh Maheshwari
  • SCALED-OUT QUERY EXECUTION ENGINE
    Publication number: 20210311946
    Abstract: A method, a system, and a computer program product for generating a query executable plan. A query requiring access to data stored in a database system is received. Based on the received query, a query execution plan having a plurality of query execution pipelines is generated. Each query execution pipeline in the plurality of query execution pipelines is configured to execute a plurality of operations in a predetermined order associated with each query execution pipeline. The generated query execution plan is fragmented into a plurality of fragments. Each fragment has one or more query execution pipelines in the plurality of query execution pipelines. The received query is executed by executing each fragment in the plurality of fragments.
    Type: Application
    Filed: April 1, 2020
    Publication date: October 7, 2021
    Inventors: Xun Cheng, Zhen Tian, Yuncong Qiao, Faming Qu, Paul Willems, Hongyong Lu, Yanxin Luo, Nitesh Maheshwari