/**
* For sql or table datasources, this will iterate over the "external" DB connection
* stored in this class instead of the default $DB. All other cases use the parent default.
* @param object $processor the processor
*/
protected function get_iterator($processor)
{
if ($this->get_source_table() !== null) {
// It's one table, return recordset iterator.
return $this->get_source_db()->get_recordset($this->get_source_table(), backup_structure_dbops::convert_params_to_values($this->procparams, $processor), $this->get_source_table_sortby());
} else {
if ($this->get_source_sql() !== null) {
// It's one sql, return recordset iterator.
return $this->get_source_db()->get_recordset_sql($this->get_source_sql(), backup_structure_dbops::convert_params_to_values($this->procparams, $processor));
}
}
return parent::get_iterator($processor);
}