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Tom Lane bb4aed46a5 Shut down EvalPlanQual machinery when LockRows node reaches the end. ... Previously, we left the EPQ sub-executor alone until ExecEndLockRows. This caused any buffer pins or other resources that it might hold to remain held until ExecutorEnd, which in some code paths means that they are held till the Portal is closed. That can cause user-visible problems, such as blocking VACUUM; and it's unlike the behavior of ordinary table-scanning nodes, which will have released all buffer pins by the time they return an EOF indication. We can make LockRows work more like other plan nodes by calling EvalPlanQualEnd just before returning NULL. We still need to call it in ExecEndLockRows in case the node was not run to completion, but in the normal case the second call does nothing and costs little. Per report from Yura Sokolov. In principle this is a longstanding bug, but in view of the lack of other complaints and the low severity of the consequences, I chose not to back-patch. Discussion: https://postgr.es/m/4aa370cb91ecf2f9885d98b80ad1109c@postgrespro.ru		4 years ago
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access	Fix an asssortment of typos in brin_minmax_multi.c and mcv.c	4 years ago
bootstrap	Rethink definition of pg_attribute.attcompression.	4 years ago
catalog	Fix incorrect permissions on pg_subscription.	4 years ago
commands	Avoid misbehavior when persisting a non-stable cursor.	4 years ago
executor	Shut down EvalPlanQual machinery when LockRows node reaches the end.	4 years ago
foreign	Update copyright for 2021	5 years ago
jit	Initial pgindent and pgperltidy run for v14.	4 years ago
lib	Fix typo in comment	4 years ago
libpq	Fix RADIUS error reporting in hba file parsing	4 years ago
main	Update copyright for 2021	5 years ago
nodes	Add _outTidRangePath()	4 years ago
optimizer	Fix planner's row-mark code for inheritance from a foreign table.	4 years ago
parser	Don't crash on empty statements in SQL-standard function bodies.	4 years ago
partitioning	Initial pgindent and pgperltidy run for v14.	4 years ago
po	Translation updates	4 years ago
port	Initial pgindent and pgperltidy run for v14.	4 years ago
postmaster	Be more verbose when the postmaster unexpectedly quits.	4 years ago
regex	Fix performance issue in new regex match-all detection code.	4 years ago
replication	Add some const decorations	4 years ago
rewrite	Adjust locations which have an incorrect copyright year	4 years ago
snowball	Update snowball	5 years ago
statistics	Fix an asssortment of typos in brin_minmax_multi.c and mcv.c	4 years ago
storage	Fix typo and outdated information in README.barrier	4 years ago
tcop	Restore the portal-level snapshot after procedure COMMIT/ROLLBACK.	4 years ago
tsearch	Fix typos and grammar in comments and docs	4 years ago
utils	Reorder superuser check in pg_log_backend_memory_contexts()	4 years ago
.gitignore	…
Makefile	Use sort_template.h for qsort_tuple() and qsort_ssup().	5 years ago
common.mk	…
nls.mk	Translation updates	4 years ago