In pg_upgrade, report errno string if file existence check returns an

error and errno != ENOENT.

diff --git a/contrib/pg_upgrade/relfilenode.c b/contrib/pg_upgrade/relfilenode.c
index 8f7d569491b1d6c0d76a8f15a6d0b259e86acc46..7dbaac96922509338ea3bf736c0d95efb7587836 100644 (file)
--- 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);
        }