Ensure all replication message info is available and correct via WalRcv

1 files changed, 4 insertions, 1 deletions

diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c
index b0a8b197603..869457003aa 100644
--- a/src/backend/replication/walreceiver.c
+++ b/src/backend/replication/walreceiver.c
@@ -218,7 +218,7 @@ WalReceiverMain(void)
 	startpoint = walrcv->receiveStart;
 
 	/* Initialise to a sanish value */
-	walrcv->lastMsgSendTime = walrcv->lastMsgReceiptTime = GetCurrentTimestamp();
+	walrcv->lastMsgSendTime = walrcv->lastMsgReceiptTime = walrcv->latestWalEndTime = GetCurrentTimestamp();
 
 	SpinLockRelease(&walrcv->mutex);
 
@@ -749,6 +749,9 @@ ProcessWalSndrMessage(XLogRecPtr walEnd, TimestampTz sendTime)
 
 	/* Update shared-memory status */
 	SpinLockAcquire(&walrcv->mutex);
+	if (XLByteLT(walrcv->latestWalEnd, walEnd))
+		walrcv->latestWalEndTime = sendTime;
+	walrcv->latestWalEnd = walEnd;
 	walrcv->lastMsgSendTime = sendTime;
 	walrcv->lastMsgReceiptTime = lastMsgReceiptTime;
 	SpinLockRelease(&walrcv->mutex);