| From: | Jeff Davis <jdavis(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: Fix LookupTupleHashEntryHash() pipeline-stall issue. |
| Date: | 2020-07-26 23:14:42 |
| Message-ID: | E1jzpqs-00042y-R8@gemulon.postgresql.org |
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| Thread: | |
| Lists: | pgsql-committers |
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
Branch
------
REL_13_STABLE
Details
-------
https://git.postgresql.org/pg/commitdiff/7f5f2249b27a46a4d91d6be5aff188ca67719fa7
Modified Files
--------------
src/backend/executor/execGrouping.c | 29 ++++--
src/backend/executor/nodeAgg.c | 163 +++++++++++++++---------------
src/backend/executor/nodeRecursiveunion.c | 4 +-
src/backend/executor/nodeSetOp.c | 4 +-
src/backend/executor/nodeSubplan.c | 4 +-
src/include/executor/executor.h | 2 +-
6 files changed, 105 insertions(+), 101 deletions(-)
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