From 303bb22ee13fb3292d246571480004065e3daf0e Mon Sep 17 00:00:00 2001
From: Ian Barwick <ian@2ndquadrant.com>
Date: Mon, 20 Jun 2016 12:23:34 +0900
Subject: [PATCH] Note potential replication lag check improvement

---
 repmgrd.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/repmgrd.c b/repmgrd.c
index a6437cb1..a72c6c35 100644
--- a/repmgrd.c
+++ b/repmgrd.c
@@ -1040,7 +1040,12 @@ standby_monitor(void)
 					"Replayed WAL newer than received WAL - is this standby connected to its upstream?\n");
 	}
 
-	/* Get master xlog info */
+	/*
+	 * Get master xlog position
+	 *
+	 * TODO: investigate whether pg_current_xlog_insert_location() would be a better
+	 * choice; see: https://github.com/2ndQuadrant/repmgr/issues/189
+	 */
 	sqlquery_snprintf(sqlquery, "SELECT pg_catalog.pg_current_xlog_location()");
 
 	res = PQexec(master_conn, sqlquery);