Commit3a8bfdd

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Accept abort transaction at prepare stage

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+18

-12

lines changed

+18

-12

lines changed

Lines changed: 17 additions & 11 deletions

Original file line number	Diff line number	Diff line change
`@@ -776,17 +776,23 @@ static void MtmTransReceiver(Datum arg)`
`776`	`776`	`}`
`777`	`777`	`break;`
`778`	`778`	`caseMSG_PREPARED:`
`779`		`-Assert(ts->status==TRANSACTION_STATUS_IN_PROGRESS);`
`780`		`-Assert(ts->nVotes<Mtm->nLiveNodes);`
`781`		`-if (msg->csn>ts->csn) {`
`782`		`-ts->csn=msg->csn;`
`783`		`-MtmSyncClock(ts->csn);`
`784`		`-}`
`785`		`-if (++ts->nVotes==Mtm->nLiveNodes) {`
`786`		`-ts->csn=MtmAssignCSN();`
`787`		`-ts->status=TRANSACTION_STATUS_UNKNOWN;`
`788`		`-MtmWakeUpBackend(ts);`
`789`		`-}`
	`779`	`+if (ts->status!=TRANSACTION_STATUS_ABORTED) {`
	`780`	`+Assert(ts->status==TRANSACTION_STATUS_IN_PROGRESS);`
	`781`	`+Assert(ts->nVotes<Mtm->nLiveNodes);`
	`782`	`+if (msg->csn>ts->csn) {`
	`783`	`+ts->csn=msg->csn;`
	`784`	`+MtmSyncClock(ts->csn);`
	`785`	`+}`
	`786`	`+if (++ts->nVotes==Mtm->nLiveNodes) {`
	`787`	`+ts->csn=MtmAssignCSN();`
	`788`	`+ts->status=TRANSACTION_STATUS_UNKNOWN;`
	`789`	`+MtmWakeUpBackend(ts);`
	`790`	`+}`
	`791`	`+}else {`
	`792`	`+if (++ts->nVotes==Mtm->nLiveNodes) {`
	`793`	`+MtmWakeUpBackend(ts);`
	`794`	`+}`
	`795`	`+}`
`790`	`796`	`break;`
`791`	`797`	`default:`
`792`	`798`	`Assert(false);`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -795,7 +795,7 @@ MtmPostPrepareTransaction(MtmCurrentTrans* x)`
`795`	`795`	`MtmResetTransaction(x);`
`796`	`796`	`}else {`
`797`	`797`	`time_ttransTimeout=Max(Mtm2PCMinTimeout, (ts->csn-ts->snapshot)Mtm2PCPrepareRatio/100000);/ usec->msec and percents */`
`798`		`-time_ttimeout=transTimeout<MtmHeartbeatRecvTimeout ?transTimeout :MtmHeartbeatRecvTimeout;`
	`798`	`+time_ttimeout=Min(transTimeout,MtmHeartbeatRecvTimeout);`
`799`	`799`	`timestamp_tdeadline=MtmGetSystemTime()+MSEC_TO_USEC(transTimeout);`
`800`	`800`	`intresult=0;`
`801`	`801`	`intnConfigChanges=Mtm->nConfigChanges;`

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