Function insert_params_with_log

sql/sql_prepare.cc:905–958

*/

static bool insert_params_with_log(Prepared_statement *stmt, uchar *null_array,
                                   uchar *read_pos, uchar *data_end,
                                   String *query)
{
  THD  *thd= stmt->thd;
  Item_param **begin= stmt->param_array;
  Item_param **end= begin + stmt->param_count;
  Copy_query_with_rewrite acc(thd, stmt->query(), stmt->query_length(), query);
  DBUG_ENTER("insert_params_with_log");

  for (Item_param **it= begin; it < end; ++it)
  {
    Item_param *param= *it;
    if (!param->has_long_data_value())
    {
      if (is_param_null(null_array, (uint) (it - begin)))
        param->set_null();
      else
      {
        if (read_pos >= data_end)
          DBUG_RETURN(1);
        param->set_param_func(&read_pos, (uint) (data_end - read_pos));
        if (param->has_no_value())
          DBUG_RETURN(1);

        if (param->limit_clause_param && !param->has_int_value())
        {
          if (param->set_limit_clause_param(param->val_int()))
            DBUG_RETURN(1);
        }
      }
    }
    /*
      A long data stream was supplied for this parameter marker.
      This was done after prepare, prior to providing a placeholder
      type (the types are supplied at execute). Check that the
      supplied type of placeholder can accept a data stream.
    */
    else if (!param->type_handler()->is_param_long_data_type())
      DBUG_RETURN(1);

    if (acc.append(param))
      DBUG_RETURN(1);

    if (param->convert_str_value(thd))
      DBUG_RETURN(1);                           /* out of memory */

    param->sync_clones();
  }
  if (acc.finalize())
    DBUG_RETURN(1);

  DBUG_RETURN(0);
}


static bool insert_params(Prepared_statement *stmt, uchar *null_array,