Horton

Fix LookupTupleHashEntryHash() pipeline-stall issue.

Jeff Davis <jdavis@postgresql.org>

View on postgr.es
Commit: 200f6100a9f9fc71273aeb6aceac4430f3437195
Author: Jeff Davis <jdavis@postgresql.org>
Date: 2020-07-26T22:09:46Z
Releases: 14.0 
Fix LookupTupleHashEntryHash() pipeline-stall issue.

Refactor hash lookups in nodeAgg.c to improve performance.

Author: Andres Freund and Jeff Davis
Discussion: https://postgr.es/m/20200612213715.op4ye4q7gktqvpuo%40alap3.anarazel.de
Backpatch-through: 13

Files

PathChange+/−
src/backend/executor/execGrouping.c modified +19 −10
src/backend/executor/nodeAgg.c modified +79 −84
src/backend/executor/nodeRecursiveunion.c modified +2 −2
src/backend/executor/nodeSetOp.c modified +2 −2
src/backend/executor/nodeSubplan.c modified +2 −2
src/include/executor/executor.h modified +1 −1

Discussion