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d4791ac35c
postgresql/src
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Tom Lane d4791ac35c Avoid possible crash while finishing up a heap rewrite. 
end_heap_rewrite was not careful to ensure that the target relation
is open at the smgr level before performing its final smgrimmedsync.
In ordinary cases this is no problem, because it would have been
opened earlier during the rewrite.  However a crash can be reproduced
by re-clustering an empty table with CLOBBER_CACHE_ALWAYS enabled.

Although that exact scenario does not crash in v13, I think that's
a chance result of unrelated planner changes, and the problem is
likely still reachable with other test cases.  The true proximate
cause of this failure is commit c6b92041d, which replaced a call to
heap_sync (which was careful about opening smgr) with a direct call
to smgrimmedsync.  Hence, back-patch to v13.

Amul Sul, per report from Neha Sharma; cosmetic changes
and test case by me.

Discussion: https://postgr.es/m/CANiYTQsU7yMFpQYnv=BrcRVqK_3U3mtAzAsJCaqtzsDHfsUbdQ@mail.gmail.com
2021-03-23 11:24:16 -04:00
..
backend Avoid possible crash while finishing up a heap rewrite. 2021-03-23 11:24:16 -04:00
bin pg_waldump: Fix bug in per-record statistics. 2021-03-23 09:54:38 +09:00
common Second thoughts on TOAST decompression. 2020-11-02 11:25:18 -05:00
fe_utils Remove incorrect %s in string 2020-11-09 10:38:43 +01:00
include Use correct spelling of statistics kind 2021-03-23 05:00:19 +01:00
interfaces Re-simplify management of inStart in pqParseInput3's subroutines. 2021-03-11 14:43:45 -05:00
makefiles Remove libpq.rc, use win32ver.rc for libpq 2020-01-15 15:06:12 +01:00
pl Translation updates 2021-02-08 17:41:32 +01:00
port pg_attribute_no_sanitize_alignment() macro 2021-02-13 17:49:08 -05:00
template Further tweaking of PG_SYSROOT heuristics for macOS. 2021-01-20 12:07:31 -05:00
test Avoid possible crash while finishing up a heap rewrite. 2021-03-23 11:24:16 -04:00
timezone Update time zone data files to tzdata release 2021a. 2021-01-24 16:29:47 -05:00
tools backpatch "jit: Add support for LLVM 12." 2020-12-07 18:32:32 -08:00
tutorial tutorial: land height is "elevation", not "altitude" 2021-03-10 20:25:18 -05:00
.gitignore
DEVELOPERS
Makefile Fix partial-build problems introduced by having more generated headers. 2018-04-09 16:42:10 -04:00
Makefile.global.in Update Unicode data to Unicode 13.0.0 and CLDR 37 2020-04-24 09:52:59 +02:00
Makefile.shlib Add PostgreSQL home page to --help output 2020-02-28 13:12:21 +01:00
nls-global.mk NLS: Fix backend gettext triggers 2019-09-23 09:04:20 +02:00