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Tom Lane 62a16572d5 Fix corner-case errors in brin_doupdate(). ... In some cases the BRIN code releases lock on an index page, and later re-acquires lock and tries to check that the tuple it was working on is still there. That check was a couple bricks shy of a load. It didn't consider that the page might have turned into a "revmap" page. (The samepage code path doesn't call brin_getinsertbuffer(), so it isn't protected by the checks for revmap status there.) It also didn't check whether the tuple offset was now off the end of the linepointer array. Since commit 24992c6db the latter case is pretty common, but at least in principle it could have occurred before that. The net result is that concurrent updates of a BRIN index could fail with errors like "invalid index offnum" or "inconsistent range map". Per report from Tomas Vondra. Back-patch to 9.5, since this code is substantially the same in all versions containing BRIN. Discussion: https://postgr.es/m/10d2b9f9-f427-03b8-8ad9-6af4ecacbee9@2ndquadrant.com		8 years ago
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access	Fix corner-case errors in brin_doupdate().	8 years ago
bootstrap	Exclude flex-generated code from coverage testing	8 years ago
catalog	Fix typo in comment	8 years ago
commands	Revert bogus fixes of HOT-freezing bug	8 years ago
executor	Revert bogus fixes of HOT-freezing bug	8 years ago
foreign	Abstract logic to allow for multiple kinds of child rels.	9 years ago
lib	Allow to avoid NUL-byte management for stringinfos and use in format.c.	8 years ago
libpq	Fix typo	8 years ago
main	Change pg_ctl to detect server-ready by watching status in postmaster.pid.	9 years ago
nodes	Support domains over composite types.	8 years ago
optimizer	Teach planner to account for HAVING quals in aggregation plan nodes.	8 years ago
parser	Dept of second thoughts: keep aliasp_item in sync with tlistitem.	8 years ago
po	Translation updates	8 years ago
port	Change pg_ctl to detect server-ready by watching status in postmaster.pid.	9 years ago
postmaster	Fix autovacuum work item error handling	8 years ago
regex	Mop-up for commit 85feb77aa0.	8 years ago
replication	Exclude flex-generated code from coverage testing	8 years ago
rewrite	Improve implementation of CRE-stack-flattening in map_variable_attnos().	8 years ago
snowball	Initial pgindent run with pg_bsd_indent version 2.0.	9 years ago
statistics	Infer functional dependency past RelabelType	8 years ago
storage	Don't exaggerate the number of temporary blocks read.	8 years ago
tcop	Replace remaining uses of pq_sendint with pq_sendint{8,16,32}.	8 years ago
tsearch	Mop-up for commit 85feb77aa0.	8 years ago
utils	Fix ALTER TABLE code to update domain constraints when needed.	8 years ago
.gitignore	Add .gitignore entries for AIX-specific intermediate build artifacts.	11 years ago
Makefile	Inject $(ICU_LIBS) regardless of platform.	8 years ago
common.mk	Add ICU_CFLAGS to global CPPFLAGS	9 years ago
nls.mk	Translation updates	9 years ago