Use GetRedoStartLsn() instead of walproposer epoch start LSN for on-demand WAL download

2026-05-02 22:00:38 +00:00 · 2024-10-03 18:27:28 +03:00
1 changed files with 1 additions and 7 deletions
--- a/pgxn/neon/walsender_hooks.c
+++ b/pgxn/neon/walsender_hooks.c
@@ -191,13 +191,7 @@ NeonOnDemandXLogReaderRoutines(XLogReaderRoutine *xlr)

 	if (!wal_reader)
 	{
-		XLogRecPtr	epochStartLsn = pg_atomic_read_u64(&GetWalpropShmemState()->propEpochStartLsn);
-
-		if (epochStartLsn == 0)
-		{
-			elog(ERROR, "Unable to start walsender when propEpochStartLsn is 0!");
-		}
-		wal_reader = NeonWALReaderAllocate(wal_segment_size, epochStartLsn, "[walsender] ");
+		wal_reader = NeonWALReaderAllocate(wal_segment_size, GetRedoStartLsn(), "[walsender] ");
 	}
 	xlr->page_read = NeonWALPageRead;
 	xlr->segment_open = NeonWALReadSegmentOpen;