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Commit3354746

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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 parent42f9427 commit3354746

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+12
-4
lines changed

1 file changed

+12
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lines changed

‎src/backend/access/transam/twophase.c

Lines changed: 12 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1397,10 +1397,18 @@ XlogReadTwoPhaseData(XLogRecPtr lsn, char **buf, int *len)
13971397
record=XLogReadRecord(xlogreader,&errormsg);
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13991399
if (record==NULL)
1400-
ereport(ERROR,
1401-
(errcode_for_file_access(),
1402-
errmsg("could not read two-phase state from WAL at %X/%X",
1403-
LSN_FORMAT_ARGS(lsn))));
1400+
{
1401+
if (errormsg)
1402+
ereport(ERROR,
1403+
(errcode_for_file_access(),
1404+
errmsg("could not read two-phase state from WAL at %X/%X: %s",
1405+
LSN_FORMAT_ARGS(lsn),errormsg)));
1406+
else
1407+
ereport(ERROR,
1408+
(errcode_for_file_access(),
1409+
errmsg("could not read two-phase state from WAL at %X/%X",
1410+
LSN_FORMAT_ARGS(lsn))));
1411+
}
14041412

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if (XLogRecGetRmid(xlogreader)!=RM_XACT_ID||
14061414
(XLogRecGetInfo(xlogreader)&XLOG_XACT_OPMASK)!=XLOG_XACT_PREPARE)

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