Inventor

WILLEMS PAUL

DE45 patents

⚠️ This page may combine multiple inventors who share the name “WILLEMS PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WILLEMS PAUL

SAP SE

Dynamic operator pruning based on state dependencies and intermediate results

Optimal ranges for relational query execution plans

Query execution including pause and detach operations after first data fetch

Query planning and execution with source and sink operators

Query plan execution engine

Query execution pipelining with shared states for query operators

Scaled-out query execution engine

Heapsort in a parallel processing framework

Disabling of memory allocators

Transport of non-standardized data between relational database operations

Dynamic operator pruning based on state dependencies and intermediate results

Transport of non-standardized data between relational database operations

Dynamically generated operations in a parallel processing framework

Allocation of worker threads in a parallelization framework with result streaming

On-demand access of database table partitions

Dynamically generated operations in a parallel processing framework

Query execution including pause and detach operations after first data fetch

Robustness metrics for optimization of query execution plans

Release of latches for garbage collection

Robustness metrics for optimization of query execution plans

Multi-fragment index scan

Multi-fragment index scan

Calculated dictionary column readers

Distributed query plan generation

Lateral join

JIT code compilation during runtime based on runtime statistics

Heapsort in a parallel processing framework

Evaluation of duplicated filter predicates

Query execution pipelining with pump operators

Result streaming for distributed query processing

Shared subplan pipelining inference

Handling early exit in a pipelined query execution engine via backward propagation of early exit information

Custom table scan for top k queries

Result streaming by reordering pipelines

Query plan generation and execution based on single value columns

Take over table opening for operators

Reducing activity of the main SQL executor thread

Global index with repartitioning operator

Selective skipping of dictionary scans and/or index lookups during query processing in database systems

Pipeline bypass for certain query plan operators

Adaptive early filtering with intra-pipeline predicate back-propagation

Spill-to-disk in projection operations

Optimal offset pushdown for multipart sorting

BESSEMS DAVID

Fluid handling structure, a lithographic apparatus and a device manufacturing method

ASML NETHERLANDS BV

Fluid handling structure, a lithographic apparatus and a device manufacturing method