From 05ec71eea265622e1a311c9de3d3b186924e736a Mon Sep 17 00:00:00 2001
From: Fujii Masao <fujii@postgresql.org>
Date: Tue, 15 Sep 2015 23:38:01 +0900
Subject: [PATCH] Fix comment regarding the meaning of infinity for timeline
 history entry

Michael Paquier
---
 src/include/access/timeline.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/include/access/timeline.h b/src/include/access/timeline.h
index 2b62a56aa0e..01437c04bc0 100644
--- a/src/include/access/timeline.h
+++ b/src/include/access/timeline.h
@@ -26,7 +26,8 @@ typedef struct
 {
 	TimeLineID	tli;
 	XLogRecPtr	begin;			/* inclusive */
-	XLogRecPtr	end;			/* exclusive, 0 means infinity */
+	XLogRecPtr	end;			/* exclusive, InvalidXLogRecPtr means
+								 * infinity */
 } TimeLineHistoryEntry;
 
 extern List *readTimeLineHistory(TimeLineID targetTLI);