From d55f1b852d4fe87f2a4d16ea3f0ce11a7019a352 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Wed, 15 Aug 2012 19:17:26 -0400
Subject: [PATCH] Add C comment about new \c parameter requirement for crashed
 connections.

---
 src/bin/psql/command.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index 2cd3ab4cf7..205bb507fb 100644
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -1514,6 +1514,11 @@ do_connect(char *dbname, char *user, char *host, char *port)
 
 	if (!o_conn && (!dbname || !user || !host || !port))
 	{
+		/*
+		 *	We don't know the supplied connection parameters and don't want
+		 *	to connect to the wrong database by using defaults, so require
+		 *	all parameters to be specified.
+		 */
 		fputs(_("All connection parameters must be supplied because no database connection exists\n"), stderr);
 		return false;
 	}