From b55743a5df13711b8143cd3f53c8abc3416ee520 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 19 Nov 2012 16:41:58 -0500
Subject: [PATCH] In pg_upgrade, report errno string if file existence check
 returns an error and errno != ENOENT.

---
 contrib/pg_upgrade/relfilenode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/contrib/pg_upgrade/relfilenode.c b/contrib/pg_upgrade/relfilenode.c
index 8f7d569491..7dbaac9692 100644
--- a/contrib/pg_upgrade/relfilenode.c
+++ b/contrib/pg_upgrade/relfilenode.c
@@ -205,8 +205,9 @@ transfer_relfile(pageCnvCtx *pageConverter, FileNameMap *map,
 				if (errno == ENOENT)
 					return;
 				else
-					pg_log(PG_FATAL, "non-existant file error while copying relation \"%s.%s\" (\"%s\" to \"%s\")\n",
-						   map->nspname, map->relname, old_file, new_file);
+					pg_log(PG_FATAL, "error while checking for file existance \"%s.%s\" (\"%s\" to \"%s\"): %s\n",
+						   map->nspname, map->relname, old_file, new_file,
+						   getErrorText(errno));
 			}
 			close(fd);
 		}
-- 
2.40.0