Correctly initialise shared recoveryLastRecPtr in recovery.

Previously we used ReadRecPtr rather than EndRecPtr, which was
not a serious error but caused pg_stat_replication to report
incorrect replay_location until at least one WAL record is replayed.

Fujii Masao

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 1ec5b51554aa1a18e24ea1c2fce67d712b46c4f7..49cccaed9c70184aa15d9d580ef7ae421bfdbdb4 100644 (file)
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -6451,7 +6451,7 @@ StartupXLOG(void)
         */
        SpinLockAcquire(&xlogctl->info_lck);
        xlogctl->replayEndRecPtr = ReadRecPtr;
-       xlogctl->recoveryLastRecPtr = ReadRecPtr;
+       xlogctl->recoveryLastRecPtr = EndRecPtr;
        xlogctl->recoveryLastXTime = 0;
        xlogctl->recoveryPause = false;
        SpinLockRelease(&xlogctl->info_lck);