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(parent: 42afeae) | patch
Fix oversized memory allocation in Parallel Hash Join
authorAlexander Korotkov <akorotkov@postgresql.org>
Sun, 7 Jan 2024 07:03:55 +0000 (09:03 +0200)
committerAlexander Korotkov <akorotkov@postgresql.org>
Sun, 7 Jan 2024 07:11:00 +0000 (09:11 +0200)
commit60de25c6efc8e5283094c74824f46f71ae483a8f
treebfc6fd5528375181c44cdb4ba8ee68bcac28b953tree
parent42afeae7b6db06c04ee5de7226b6b86e41b11da2commit | diff
Fix oversized memory allocation in Parallel Hash Join

During the calculations of the maximum for the number of buckets, take into
account that later we round that to the next power of 2.

Reported-by: Karen Talarico
Bug: #16925
Discussion: https://postgr.es/m/16925-ec96d83529d0d629%40postgresql.org
Author: Thomas Munro, Andrei Lepikhov, Alexander Korotkov
Reviewed-by: Alena Rybakina
Backpatch-through: 12
src/backend/executor/nodeHash.c diff | blob | blame | history
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