Patents by Inventor Axel Christ

Axel Christ 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).

  • Integration of query processing engines in a distributed database system
    Patent number: 10635670
    Abstract: In one respect, there is provided a distributed database system. The distributed database system can include a plurality of hosts configured to store and/or manage data, a first query processing engine comprising a master node and an executor node, and a second query processing engine. The master node can be implemented on one or more programmable processors and configured to perform operations. The operations can include: generating an execution plan for a query on data that is stored at and/or managed by one or more of the plurality of hosts; determining to push down, to the second query processing engine, at least one data processing operations in the execution plan; and dispatching, to the executor node, at least a portion of the execution plan, the portion of the execution plan including the at least one data processing operation that is pushed down to the second query processing engine.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: April 28, 2020
    Assignee: SAP SE
    Inventors: Youssef Hatem, Stephan Kessler, Axel Christ, Christian Mathis
  • INTEGRATION OF QUERY PROCESSING ENGINES IN A DISTRIBUTED DATABASE SYSTEM
    Publication number: 20180089267
    Abstract: In one respect, there is provided a distributed database system. The distributed database system can include a plurality of hosts configured to store and/or manage data, a first query processing engine comprising a master node and an executor node, and a second query processing engine. The master node can be implemented on one or more programmable processors and configured to perform operations. The operations can include: generating an execution plan for a query on data that is stored at and/or managed by one or more of the plurality of hosts; determining to push down, to the second query processing engine, at least one data processing operations in the execution plan; and dispatching, to the executor node, at least a portion of the execution plan, the portion of the execution plan including the at least one data processing operation that is pushed down to the second query processing engine.
    Type: Application
    Filed: September 23, 2016
    Publication date: March 29, 2018
    Inventors: Youssef Hatem, Stephan Kessler, Axel Christ, Christian Mathis