| From: | Jeff Davis <jdavis(at)postgresql(dot)org> |
|---|---|
| To: | pgsql-committers(at)lists(dot)postgresql(dot)org |
| Subject: | pgsql: logtape.c: do not preallocate for tapes when sorting |
| Date: | 2020-09-12 00:20:25 |
| Message-ID: | E1kGtHF-0006oX-TX@gemulon.postgresql.org |
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| Lists: | pgsql-committers |
logtape.c: do not preallocate for tapes when sorting
The preallocation logic is only useful for HashAgg, so disable it when
sorting.
Also, adjust an out-of-date comment.
Reviewed-by: Peter Geoghegan
Discussion: https://postgr.es/m/CAH2-Wzn_o7tE2+hRVvwSFghRb75AJ5g-nqGzDUqLYMexjOAe=g@mail.gmail.com
Backpatch-through: 13
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/07589649639410032df281e98469db88a0b86271
Modified Files
--------------
src/backend/executor/nodeAgg.c | 2 +-
src/backend/utils/sort/logtape.c | 38 +++++++++++++++++++++++++-------------
src/backend/utils/sort/tuplesort.c | 7 ++++---
src/include/utils/logtape.h | 3 ++-
4 files changed, 32 insertions(+), 18 deletions(-)
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