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Also, adjust an out-of-date comment.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
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REL_13_STABLE
Details
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https://git.postgresql.org/pg/commitdiff/93106d71a18afdda2b9bf6e6b8e6c7f9cea2d0ef
Modified Files
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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(-)
