moved ndb_use_transactions out of opts and to be set default true in THD::init

sql/mysqld.cc

@@ -3950,7 +3950,6 @@ enum options_mysqld
   OPT_INNODB, OPT_ISAM,
   OPT_NDBCLUSTER, OPT_NDB_CONNECTSTRING, OPT_NDB_USE_EXACT_COUNT,
   OPT_NDB_FORCE_SEND, OPT_NDB_AUTOINCREMENT_PREFETCH_SZ,
-  OPT_NDB_USE_TRANSACTIONS,
   OPT_SKIP_SAFEMALLOC,
   OPT_TEMP_POOL, OPT_TX_ISOLATION,
   OPT_SKIP_STACK_TRACE, OPT_SKIP_SYMLINKS,
@@ -4410,11 +4409,6 @@ Disable with --skip-ndbcluster (will save memory).",
    (gptr*) &global_system_variables.ndb_use_exact_count,
    (gptr*) &global_system_variables.ndb_use_exact_count,
    0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
-  {"ndb_use_transactions", OPT_NDB_USE_TRANSACTIONS,
-   "Use transactions in ndb",
-   (gptr*) &global_system_variables.ndb_use_transactions,
-   (gptr*) &global_system_variables.ndb_use_transactions,
-   0, GET_BOOL, OPT_ARG, 1, 0, 0, 0, 0, 0},
 #endif
   {"new", 'n', "Use very new possible 'unsafe' functions.",
    (gptr*) &global_system_variables.new_mode,

sql/sql_class.cc

@@ -280,6 +280,9 @@ void THD::init(void)
 					       variables.date_format);
   variables.datetime_format= date_time_format_copy((THD*) 0,
 						   variables.datetime_format);
+#ifdef HAVE_NDBCLUSTER_DB
+  variables.ndb_use_transactions= 1;
+#endif
   pthread_mutex_unlock(&LOCK_global_system_variables);
   server_status= SERVER_STATUS_AUTOCOMMIT;
   options= thd_startup_options;