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Tom Lane 7b4fcabb2f Avoid problems with OID wraparound during WAL replay. ... Fix a longstanding thinko in replay of NEXTOID and checkpoint records: we tried to advance nextOid only if it was behind the value in the WAL record, but the comparison would draw the wrong conclusion if OID wraparound had occurred since the previous value. Better to just unconditionally assign the new value, since OID assignment shouldn't be happening during replay anyway. The consequences of a failure to update nextOid would be pretty minimal, since we have long had the code set up to obtain another OID and try again if the generated value is already in use. But in the worst case there could be significant performance glitches while such loops iterate through many already-used OIDs before finding a free one. The odds of a wraparound happening during WAL replay would be small in a crash-recovery scenario, and the length of any ensuing OID-assignment stall quite limited anyway. But neither of these statements hold true for a replication slave that follows a WAL stream for a long period; its behavior upon going live could be almost unboundedly bad. Hence it seems worth back-patching this fix into all supported branches. Already fixed in HEAD in commit c6d76d7c82.		14 years ago
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backend	Avoid problems with OID wraparound during WAL replay.	14 years ago
bin	Fix pg_restore's direct-to-database mode for INSERT-style table data.	14 years ago
include	Use __sync_lock_test_and_set() for spinlocks on ARM, if available.	14 years ago
interfaces	In ecpg removed old leftover check for given connection name.	14 years ago
makefiles	Fix assorted issues with build and install paths containing spaces.	15 years ago
pl	Translation updates	14 years ago
port	Stamp 8.4.10.	14 years ago
template	Tweak configure to attempt to add -qnoansialias to CFLAGS whenever running	17 years ago
test	Make executor's SELECT INTO code save and restore original tuple receiver.	14 years ago
timezone	Update time zone data files to tzdata release 2011n.	14 years ago
tools	Backpatch "Use the preferred version of xsubpp."	14 years ago
tutorial	Remove copyright mention of Andrew Yu, per author's permission.	16 years ago
.gitignore	Convert cvsignore to gitignore, and add .gitignore for build targets.	15 years ago
DEVELOPERS	Replace a couple of references to files that no longer exist in the source	17 years ago
Makefile	Add the possibility to specify an explicit validator function for foreign-data	17 years ago
Makefile.global.in	Back-patch creation of tar.bz2 tarball during "make dist".	15 years ago
Makefile.shlib	Fix assorted issues with build and install paths containing spaces.	15 years ago
bcc32.mak	…
nls-global.mk	Do not msgmerge against /dev/null; merge against the pot file itself	17 years ago
win32.mak	…