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Commit2d60ce3

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Report any XLogReadRecord() error in XlogReadTwoPhaseData().
Buildfarm members kittiwake and tadarida have witnessed errors at thissite. The site discarded key facts. Back-patch to v10 (all supportedversions).Reviewed by Michael Paquier and Tom Lane.Discussion:https://postgr.es/m/20211107013157.GB790288@rfd.leadboat.com
1 parentde34381 commit2d60ce3

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+15
-5
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1 file changed

+15
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‎src/backend/access/transam/twophase.c

Lines changed: 15 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -1465,11 +1465,21 @@ XlogReadTwoPhaseData(XLogRecPtr lsn, char **buf, int *len)
14651465
ThisTimeLineID=save_currtli;
14661466

14671467
if (record==NULL)
1468-
ereport(ERROR,
1469-
(errcode_for_file_access(),
1470-
errmsg("could not read two-phase state from WAL at %X/%X",
1471-
(uint32) (lsn >>32),
1472-
(uint32)lsn)));
1468+
{
1469+
if (errormsg)
1470+
ereport(ERROR,
1471+
(errcode_for_file_access(),
1472+
errmsg("could not read two-phase state from WAL at %X/%X: %s",
1473+
(uint32) (lsn >>32),
1474+
(uint32)lsn,
1475+
errormsg)));
1476+
else
1477+
ereport(ERROR,
1478+
(errcode_for_file_access(),
1479+
errmsg("could not read two-phase state from WAL at %X/%X",
1480+
(uint32) (lsn >>32),
1481+
(uint32)lsn)));
1482+
}
14731483

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if (XLogRecGetRmid(xlogreader)!=RM_XACT_ID||
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(XLogRecGetInfo(xlogreader)&XLOG_XACT_OPMASK)!=XLOG_XACT_PREPARE)

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