公开(公告)号：US11874835B2

公开(公告)日：2024-01-16

申请号：US17674313

申请日：2022-02-17

Applicant: SAP SE

Inventor： Florian Wolf ,  Lukas Landgraf ,  Alexander Boehm

IPC: G06F16/2453 ,  G06F16/22 ,  G06F11/34

CPC classification number: G06F16/24544 ,  G06F11/3409 ,  G06F16/2255 ,  G06F16/24539

Abstract: A system includes reception of a query execution plan associated with a plurality of query execution pipelines, estimated execution costs and estimated intermediate result cardinalities, determination of one or more precedence relationships of the plurality of query execution pipelines, determination of an execution order of the plurality of query execution pipelines based on the estimated execution costs, the estimated intermediate result cardinalities, and the one or more precedence relationships, and providing of the execution order of the plurality of query execution pipelines and the query execution plan to a query execution engine.