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Alexander Korotkov e23d44016d Fix WAL format incompatibility introduced by backpatching of 52ac6cd2d0 
52ac6cd2d0 added new field to ginxlogDeletePage and was backpatched to 9.4.
That led to problems when patched postgres instance applies WAL records
generated by non-patched one.  WAL records generated by non-patched instance
don't contain new field, which patched one is expecting to see.

Thankfully, we can distinguish patched and non-patched WAL records by their data
size.  If we see that WAL record is generated by non-patched instance, we skip
processing of new field.  This commit comes with some assertions.  In
particular, if it appears that on some platform struct data size didn't change
then static assertion will trigger.

Reported-by: Simon Riggs
Discussion: https://postgr.es/m/CANP8%2Bj%2BK4whxf7ET7%2BgO%2BG-baC3-WxqqH%3DnV4X2CgfEPA3Yu3g%40mail.gmail.com
Author: Alexander Korotkov
Reviewed-by: Simon Riggs, Alvaro Herrera
Backpatch-through: 9.4
2019-03-24 15:41:32 +03:00
..
amapi.h Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
amvalidate.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
attnum.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
brin.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
brin_internal.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
brin_page.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
brin_pageops.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
brin_revmap.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
brin_tuple.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
brin_xlog.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
bufmask.h For wal_consistency_checking, mask page checksum as well as page LSN. 2017-09-22 14:33:18 -04:00
clog.h Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
commit_ts.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
genam.h Phase 3 of pgindent updates. 2017-06-21 15:35:54 -04:00
generic_xlog.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
gin.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
gin_private.h Rename rbtree.c functions to use "rbt" prefix not "rb" prefix. 2018-11-06 13:25:24 -05:00
ginblock.h Prevent GIN deleted pages from being reclaimed too early 2018-12-13 06:41:04 +03:00
ginxlog.h Fix WAL format incompatibility introduced by backpatching of 52ac6cd2d0 2019-03-24 15:41:32 +03:00
gist.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
gist_private.h Check for conflicting queries during replay of gistvacuumpage() 2018-12-21 02:33:48 +03:00
gistscan.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
gistxlog.h Split index xlog headers from other private index headers. 2017-02-14 15:37:59 -05:00
hash.h Fix the overrun in hash index metapage for smaller block sizes. 2018-09-06 10:19:51 +05:30
hash_xlog.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
heapam.h Fix logical decoding error when system table w/ toast is repeatedly rewritten. 2018-10-10 13:53:02 -07:00
heapam_xlog.h Perform a lot more sanity checks when freezing tuples. 2017-12-14 18:20:48 -08:00
hio.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
htup.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
htup_details.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
itup.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
multixact.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
nbtree.h Allow btree comparison functions to return INT_MIN. 2018-10-05 16:01:29 -04:00
nbtxlog.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
parallel.h Report an ERROR if a parallel worker fails to start properly. 2018-01-23 11:13:42 -05:00
printsimple.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
printtup.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
reloptions.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
relscan.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rewriteheap.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rmgr.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
rmgrlist.h hash: Support WAL consistency checking. 2017-03-14 14:58:56 -04:00
sdir.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
skey.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
slru.h Remove outdated comment 2017-06-30 14:43:05 -04:00
spgist.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
spgist_private.h Prevent query-lifespan memory leakage of SP-GiST traversal values. 2018-03-19 23:59:17 -04:00
spgxlog.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
stratnum.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
subtrans.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
sysattr.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
timeline.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
transam.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
tsmapi.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
tupconvert.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
tupdesc.h Backpatch introduction of TupleDescAttr(tupdesc, i). 2017-08-22 07:46:05 -07:00
tupmacs.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
tuptoaster.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
twophase.h Mark assorted variables PGDLLIMPORT. 2017-12-05 09:24:05 -05:00
twophase_rmgr.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
valid.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
visibilitymap.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
xact.h Restrict the use of temporary namespace in two-phase transactions 2019-01-18 09:21:58 +09:00
xlog.h Make checkpoint requests more robust. 2019-03-19 12:49:27 -04:00
xlog_internal.h Fix comment. 2017-08-01 08:00:11 +09:00
xlogdefs.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
xloginsert.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
xlogreader.h Fix scenario where streaming standby gets stuck at a continuation record. 2018-05-05 01:35:09 +03:00
xlogrecord.h Phase 2 of pgindent updates. 2017-06-21 15:19:25 -04:00
xlogutils.h Post-PG 10 beta1 pgindent run 2017-05-17 16:31:56 -04:00