Thread: pgsql: Fix incorrect hash equality operator bug in Memoize
Fix incorrect hash equality operator bug in Memoize In v14, because we don't have a field in RestrictInfo to cache both the left and right type's hash equality operator, we just restrict the scope of Memoize to only when the left and right types of a RestrictInfo are the same. In master we add another field to RestrictInfo and cache both hash equality operators. Reported-by: Jaime Casanova Author: David Rowley Discussion: https://postgr.es/m/20210929185544.GB24346%40ahch-to Backpatch-through: 14 Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/39a3105678a247bbfdc132cd95db5b515b8cd7f6 Modified Files -------------- src/backend/nodes/copyfuncs.c | 3 ++- src/backend/nodes/outfuncs.c | 3 ++- src/backend/optimizer/path/joinpath.c | 31 +++++++++++++++++++++++-------- src/backend/optimizer/plan/initsplan.c | 28 ++++++++++++++++++++-------- src/backend/optimizer/util/restrictinfo.c | 6 ++++-- src/include/nodes/pathnodes.h | 5 +++-- 6 files changed, 54 insertions(+), 22 deletions(-)