aa99b80d7f
* Reduce some duplicated code between MySQL 3 and 4 classes * Generalize some things to better support Lucene search plugin
81 lines
2.3 KiB
PHP
81 lines
2.3 KiB
PHP
<?php
|
|
# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
|
|
# http://www.mediawiki.org/
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License along
|
|
# with this program; if not, write to the Free Software Foundation, Inc.,
|
|
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
# http://www.gnu.org/copyleft/gpl.html
|
|
|
|
/**
|
|
* Search engine hook for MySQL 3.23.x
|
|
* @package MediaWiki
|
|
* @subpackage Search
|
|
*/
|
|
|
|
/** */
|
|
require_once( 'SearchMySQL.php' );
|
|
|
|
/**
|
|
* @package MediaWiki
|
|
* @subpackage Search
|
|
*/
|
|
class SearchMySQL3 extends SearchMySQL {
|
|
function SearchMySQL3( &$db ) {
|
|
$this->db =& $db;
|
|
}
|
|
|
|
function parseQuery( $filteredText, $fulltext ) {
|
|
global $wgDBminWordLen, $wgContLang;
|
|
|
|
$field = $this->getIndexField( $fulltext );
|
|
|
|
# on non mysql4 database: get list of words we don't want to search for
|
|
require_once( 'FulltextStoplist.php' );
|
|
|
|
$lc = SearchEngine::legalSearchChars() . '()';
|
|
$q = preg_replace( "/([()])/", " \\1 ", $filteredText );
|
|
$q = preg_replace( "/\\s+/", " ", $q );
|
|
$w = explode( ' ', trim( $q ) );
|
|
|
|
$last = $cond = '';
|
|
foreach ( $w as $word ) {
|
|
$word = $wgContLang->stripForSearch( $word );
|
|
if ( 'and' == $word || 'or' == $word || 'not' == $word
|
|
|| '(' == $word || ')' == $word ) {
|
|
$cond .= ' ' . strtoupper( $word );
|
|
$last = '';
|
|
} else if ( strlen( $word ) < $wgDBminWordLen ) {
|
|
continue;
|
|
} else if ( FulltextStoplist::inList( $word ) ) {
|
|
continue;
|
|
} else {
|
|
if ( '' != $last ) { $cond .= ' AND'; }
|
|
$cond .= " (MATCH ($field) AGAINST ('" .
|
|
$this->db->strencode( $word ). "'))";
|
|
$last = $word;
|
|
$this->searchTerms[] = "\\b" . preg_quote( $word, '/' ) . "\\b";
|
|
}
|
|
}
|
|
if ( 0 == count( $this->searchTerms ) ) {
|
|
# No searchable terms remaining.
|
|
# We have to return a term for the query or we get an SQL error.
|
|
return "0";
|
|
}
|
|
|
|
return '(' . $cond . ' )';
|
|
}
|
|
|
|
}
|
|
|
|
?>
|