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Report any XLogReadRecord() error in XlogReadTwoPhaseData().

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Buildfarm members kittiwake and tadarida have witnessed errors at this
site.  The site discarded key facts.  Back-patch to v10 (all supported
versions).

Reviewed by Michael Paquier and Tom Lane.

Discussion: https://postgr.es/m/20211107013157.GB790288@rfd.leadboat.com
This commit is contained in:
Noah Misch 2021-11-11 17:10:18 -08:00
parent 56c5a069e0
commit cae393f0f9
1 changed files with 15 additions and 5 deletions
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20
src/backend/access/transam/twophase.c
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@ -1454,11 +1454,21 @@ XlogReadTwoPhaseData(XLogRecPtr lsn, char **buf, int *len)
ThisTimeLineID = save_currtli;
if (record == NULL)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read two-phase state from WAL at %X/%X",
(uint32) (lsn >> 32),
(uint32) lsn)));
{
if (errormsg)
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read two-phase state from WAL at %X/%X: %s",
(uint32) (lsn >> 32),
(uint32) lsn,
errormsg)));
else
ereport(ERROR,
(errcode_for_file_access(),
errmsg("could not read two-phase state from WAL at %X/%X",
(uint32) (lsn >> 32),
(uint32) lsn)));
}
if (XLogRecGetRmid(xlogreader) != RM_XACT_ID ||
(XLogRecGetInfo(xlogreader) & XLOG_XACT_OPMASK) != XLOG_XACT_PREPARE)