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David Rowley f94edb06ab Flush Memoize cache when non-key parameters change 
It's possible that a subplan below a Memoize node contains a parameter
from above the Memoize node.  If this parameter changes then cache entries
may become out-dated due to the new parameter value.

Previously Memoize was mistakenly not aware of this.  We fix this here by
flushing the cache whenever a parameter that's not part of the cache
key changes.

Bug: #17213
Reported by: Elvis Pranskevichus
Author: David Rowley
Discussion: https://postgr.es/m/17213-988ed34b225a2862@postgresql.org
Backpatch-through: 14, where Memoize was added
2021-11-24 14:57:07 +13:00
..
backend Flush Memoize cache when non-key parameters change 2021-11-24 14:57:07 +13:00
bin Adjust pg_dump's priority ordering for casts. 2021-11-22 17:16:29 -05:00
common Fix buffer overrun in unicode string normalization with empty input 2021-11-11 15:01:45 +09:00
fe_utils Fix incautious handling of possibly-miscoded strings in client code. 2021-06-07 14:15:25 -04:00
include Flush Memoize cache when non-key parameters change 2021-11-24 14:57:07 +13:00
interfaces libpq: reject extraneous data after SSL or GSS encryption handshake. 2021-11-08 11:14:56 -05:00
makefiles Add NO_INSTALL option to pgxs 2021-05-27 13:58:29 +02:00
pl Translation updates 2021-11-08 10:06:30 +01:00
port AIX: Fix missing libpq symbols by respecting SHLIB_EXPORTS. 2021-09-06 11:28:02 -07:00
template Further tweaking of PG_SYSROOT heuristics for macOS. 2021-01-20 12:07:23 -05:00
test Flush Memoize cache when non-key parameters change 2021-11-24 14:57:07 +13:00
timezone Update time zone data files to tzdata release 2021e. 2021-10-29 11:38:32 -04:00
tools Avoid race in RelationBuildDesc() affecting CREATE INDEX CONCURRENTLY. 2021-10-23 18:36:42 -07:00
tutorial doc: Prefer explicit JOIN syntax over old implicit syntax in tutorial 2021-04-08 10:51:26 +02:00
.gitignore
DEVELOPERS
Makefile Remove the option to build thread_test.c outside configure. 2020-10-21 12:08:48 -04:00
Makefile.global.in Add module build directory to the PATH for TAP tests 2021-10-22 09:50:16 -04:00
Makefile.shlib AIX: Fix missing libpq symbols by respecting SHLIB_EXPORTS. 2021-09-06 11:28:02 -07:00
nls-global.mk Add errhint_plural() function and make use of it 2021-03-31 09:16:25 +02:00