=== modified file 'client/mysqltest.cc'
--- client/mysqltest.cc	2010-03-12 06:06:23 +0000
+++ client/mysqltest.cc	2010-03-23 10:07:06 +0000
@@ -189,6 +189,8 @@
 static int match_re(my_regex_t *, char *);
 static void free_re(void);
 
+static uint opt_protocol=0;
+
 DYNAMIC_ARRAY q_lines;
 
 #include "sslopt-vars.h"
@@ -5108,11 +5110,13 @@
 #ifdef __WIN__
   if (con_pipe)
   {
-    uint protocol= MYSQL_PROTOCOL_PIPE;
-    mysql_options(&con_slot->mysql, MYSQL_OPT_PROTOCOL, &protocol);
+    opt_protocol= MYSQL_PROTOCOL_PIPE;
   }
 #endif
 
+  if (opt_protocol)
+    mysql_options(&con_slot->mysql, MYSQL_OPT_PROTOCOL, (char*) &opt_protocol);
+
 #ifdef HAVE_SMEM
   if (con_shm)
   {
@@ -5826,6 +5830,8 @@
    GET_INT, REQUIRED_ARG, 500, 1, 10000, 0, 0, 0},
   {"password", 'p', "Password to use when connecting to server.",
    0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
+  {"protocol", OPT_MYSQL_PROTOCOL, "The protocol of connection (tcp,socket,pipe,memory).",
+   0, 0, 0, GET_STR,  REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
   {"port", 'P', "Port number to use for connection or 0 for default to, in "
    "order of preference, my.cnf, $MYSQL_TCP_PORT, "
 #if MYSQL_PORT_DEFAULT == 0
@@ -5967,7 +5973,7 @@
 
 
 static my_bool
-get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
+get_one_option(int optid, const struct my_option *opt,
 	       char *argument)
 {
   switch(optid) {
@@ -6059,6 +6065,10 @@
   case 'V':
     print_version();
     exit(0);
+  case OPT_MYSQL_PROTOCOL:
+    opt_protocol= find_type_or_exit(argument, &sql_protocol_typelib,
+                                    opt->name);
+    break;
   case '?':
     usage();
     exit(0);
@@ -7797,6 +7807,9 @@
     mysql_options(&con->mysql, MYSQL_SET_CHARSET_DIR,
                   opt_charsets_dir);
 
+  if (opt_protocol)
+    mysql_options(&con->mysql,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
+
 #ifdef HAVE_OPENSSL
 
   if (opt_use_ssl)