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Fix timestamp in end-of-recovery WAL records.

We used time(null) to set a TimestampTz field, which gave bogus results.Noticed while looking at pg_xlogdump output.Backpatch to 9.3 and above, where the fast promotion was introduced.

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src/backend/access/transam
- xlog.c

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`‎src/backend/access/transam/xlog.c‎`

Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -8076,7 +8076,7 @@ CreateEndOfRecoveryRecord(void)`
`8076`	`8076`	`if (!RecoveryInProgress())`
`8077`	`8077`	`elog(ERROR,"can only be used to end recovery");`
`8078`	`8078`
`8079`		`-xlrec.end_time=time(NULL);`
	`8079`	`+xlrec.end_time=GetCurrentTimestamp();`
`8080`	`8080`
`8081`	`8081`	`WALInsertLockAcquireExclusive();`
`8082`	`8082`	`xlrec.ThisTimeLineID=ThisTimeLineID;`
`@@ -8098,7 +8098,7 @@ CreateEndOfRecoveryRecord(void)`
`8098`	`8098`	`* changes to this point.`
`8099`	`8099`	`*/`
`8100`	`8100`	`LWLockAcquire(ControlFileLock,LW_EXCLUSIVE);`
`8101`		`-ControlFile->time= (pg_time_t)xlrec.end_time;`
	`8101`	`+ControlFile->time= (pg_time_t)time(NULL);`
`8102`	`8102`	`ControlFile->minRecoveryPoint=recptr;`
`8103`	`8103`	`ControlFile->minRecoveryPointTLI=ThisTimeLineID;`
`8104`	`8104`	`UpdateControlFile();`

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Commit5c805d0

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`‎src/backend/access/transam/xlog.c‎`

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