Function get_user_var_real

phx_percona/percona/sql/rpl_handler.cc:55–68

}

int get_user_var_real(const char *name,
                      double *value, int *null_value)
{
  my_bool null_val;
  user_var_entry *entry= 
    (user_var_entry*) my_hash_search(&current_thd->user_vars,
                                  (uchar*) name, strlen(name));
  if (!entry)
    return 1;
  *value= entry->val_real(&null_val);
  if (null_value)
    *null_value= null_val;
  return 0;
}

int get_user_var_str(const char *name, char *value,
                     size_t len, unsigned int precision, int *null_value)