Method create_result_table

sql/sql_class.cc:4766–4794

bool
select_materialize_with_stats::
create_result_table(THD *thd_arg, List<Item> *column_types,
                    bool is_union_distinct, ulonglong options,
                    const LEX_CSTRING *table_alias, bool bit_fields_as_long,
                    bool create_table,
                    bool keep_row_order,
                    uint hidden)
{
  DBUG_ASSERT(table == 0);
  tmp_table_param.field_count= column_types->elements;
  tmp_table_param.func_count= tmp_table_param.field_count;
  tmp_table_param.bit_fields_as_long= bit_fields_as_long;

  if (! (table= create_tmp_table(thd_arg, &tmp_table_param, *column_types,
                                 (ORDER*) 0, is_union_distinct, 1,
                                 options, HA_POS_ERROR, table_alias,
                                 !create_table, keep_row_order)))
    return TRUE;

  col_stat= table->in_use->alloc<Column_statistics>(table->s->fields);
  if (!col_stat)
    return TRUE;

  reset();
  table->file->extra(HA_EXTRA_WRITE_CACHE);
  table->file->extra(HA_EXTRA_IGNORE_DUP_KEY);
  return FALSE;
}


void select_materialize_with_stats::reset()