Merge dev3-63.(none):/home/zhl/mysql/mysql-5.0/bug26675

into  dev3-63.(none):/home/zhl/mysql/mysql-5.1/bug26675


sql/ha_ndbcluster.h:
  remove extern opot_ndb_constrbuf[] in 5.1
sql/set_var.cc:
  add opt_ndb_constrbuf variable

sql/set_var.cc

@@ -95,6 +95,7 @@ extern ulong srv_flush_log_at_trx_commit;
 
 /* WITH_NDBCLUSTER_STORAGE_ENGINE */
 extern ulong ndb_cache_check_time;
+extern char opt_ndb_constrbuf[];
 extern ulong ndb_extra_logging;
 #ifdef HAVE_NDB_BINLOG
 extern ulong ndb_report_thresh_binlog_epoch_slip;
@@ -547,6 +548,8 @@ sys_var_thd_bool
 sys_ndb_use_transactions("ndb_use_transactions", &SV::ndb_use_transactions);
 sys_var_long_ptr
 sys_ndb_cache_check_time("ndb_cache_check_time", &ndb_cache_check_time);
+sys_var_const_str
+sys_ndb_connectstring("ndb_connectstring", opt_ndb_constrbuf);
 sys_var_thd_bool
 sys_ndb_index_stat_enable("ndb_index_stat_enable",
                           &SV::ndb_index_stat_enable);
@@ -924,6 +927,7 @@ SHOW_VAR init_vars[]= {
   {sys_ndb_autoincrement_prefetch_sz.name,
    (char*) &sys_ndb_autoincrement_prefetch_sz,                      SHOW_SYS},
   {sys_ndb_cache_check_time.name,(char*) &sys_ndb_cache_check_time, SHOW_SYS},
+  {sys_ndb_connectstring.name,(char*) &sys_ndb_connectstring,       SHOW_SYS},
   {sys_ndb_extra_logging.name,(char*) &sys_ndb_extra_logging,       SHOW_SYS},
   {sys_ndb_force_send.name,   (char*) &sys_ndb_force_send,          SHOW_SYS},
   {sys_ndb_index_stat_cache_entries.name, (char*) &sys_ndb_index_stat_cache_entries, SHOW_SYS},