Fix memory leak in Memoize code

David Rowley <drowley@postgresql.org>

Commit: 31b2b2d72d9c50be415c6340ebf4ad83a472590c
Author: David Rowley <drowley@postgresql.org>
Date: 2023-10-05T07:31:25Z
Releases: 16.1
Fix memory leak in Memoize code

Ensure we switch to the per-tuple memory context to prevent any memory
leaks of detoasted Datums in MemoizeHash_hash() and MemoizeHash_equal().

Reported-by: Orlov Aleksej
Author: Orlov Aleksej, David Rowley
Discussion: https://postgr.es/m/83281eed63c74e4f940317186372abfd%40cft.ru
Backpatch-through: 14, where Memoize was added

Files

PathChange+/−
src/backend/executor/nodeMemoize.c modified +22 −3

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