In psql, if the is no connection object, e.g. due to a server crash,

require all parameters for \c, rather than using the defaults, which
might be wrong.

diff --git a/src/bin/psql/command.c b/src/bin/psql/command.c
index 6ead800aeb1324c1078359dc00813ee8b5116fd7..2cd3ab4cf72d48691a04f2bb9333a58fadd8bfca 100644 (file)
--- a/src/bin/psql/command.c
+++ b/src/bin/psql/command.c
@@ -1512,6 +1512,12 @@ do_connect(char *dbname, char *user, char *host, char *port)
               *n_conn;
    char       *password = NULL;
 
+   if (!o_conn && (!dbname || !user || !host || !port))
+   {
+       fputs(_("All connection parameters must be supplied because no database connection exists\n"), stderr);
+       return false;
+   }
+
    if (!dbname)
        dbname = PQdb(o_conn);
    if (!user)