Commit5829387

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Avoid xid error from age() function when run on Hot Standby

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Lines changed: 4 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -93,7 +93,10 @@ Datum`
`93`	`93`	`xid_age(PG_FUNCTION_ARGS)`
`94`	`94`	`{`
`95`	`95`	`TransactionIdxid=PG_GETARG_TRANSACTIONID(0);`
`96`		`-TransactionIdnow=GetTopTransactionId();`
	`96`	`+TransactionIdnow=GetTopTransactionIdIfAny();`
	`97`	`+`
	`98`	`+if (!TransactionIdIsValid(now))`
	`99`	`+now=ReadNewTransactionId();`
`97`	`100`
`98`	`101`	`/* Permanent XIDs are always infinitely old */`
`99`	`102`	`if (!TransactionIdIsNormal(xid))`

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