index_hints_list = $index_hints_list; } function toString(){ $result = parent::toString(); $use_index_hint = ''; $force_index_hint = ''; $ignore_index_hint = ''; foreach($this->index_hints_list as $index_hint){ $index_hint_type = $index_hint->getIndexHintType(); if($index_hint_type == 'USE') $use_index_hint .= $index_hint->getIndexName() . ', '; else if($index_hint_type == 'FORCE') $force_index_hint .= $index_hint->getIndexName() . ', '; else if($index_hint_type == 'IGNORE') $ignore_index_hint .= $index_hint->getIndexName() . ', '; } if($use_index_hint != ''){ $result .= ' USE INDEX (' . substr($use_index_hint, 0, -2) . ') '; } if($force_index_hint != ''){ $result .= ' FORCE INDEX (' . substr($force_index_hint, 0, -2) . ') '; } if($ignore_index_hint != ''){ $result .= ' IGNORE INDEX (' . substr($ignore_index_hint, 0, -2) . ') '; } return $result; } } ?>