class Item_master_gtid_wait :public Item_int_func

{

  longlong val_int();

  void fix_length_and_dec() { max_length=10+1+10+1+20+1; maybe_null=0;}

};

longlong Item_master_gtid_wait::val_int()

{

  if (args[0]->null_value)

  {

    null_value= 1;

    return 0;

  }

  String *gtid_pos = args[0]->val_str(&value);

}