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Commitd4e9d69

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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 parent13c8adf commitd4e9d69

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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
@@ -1414,11 +1414,21 @@ XlogReadTwoPhaseData(XLogRecPtr lsn, char **buf, int *len)
14141414
ThisTimeLineID=save_currtli;
14151415

14161416
if (record==NULL)
1417-
ereport(ERROR,
1418-
(errcode_for_file_access(),
1419-
errmsg("could not read two-phase state from WAL at %X/%X",
1420-
(uint32) (lsn >>32),
1421-
(uint32)lsn)));
1417+
{
1418+
if (errormsg)
1419+
ereport(ERROR,
1420+
(errcode_for_file_access(),
1421+
errmsg("could not read two-phase state from WAL at %X/%X: %s",
1422+
(uint32) (lsn >>32),
1423+
(uint32)lsn,
1424+
errormsg)));
1425+
else
1426+
ereport(ERROR,
1427+
(errcode_for_file_access(),
1428+
errmsg("could not read two-phase state from WAL at %X/%X",
1429+
(uint32) (lsn >>32),
1430+
(uint32)lsn)));
1431+
}
14221432

14231433
if (XLogRecGetRmid(xlogreader)!=RM_XACT_ID||
14241434
(XLogRecGetInfo(xlogreader)&XLOG_XACT_OPMASK)!=XLOG_XACT_PREPARE)

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