<?php
# Copyright (C) 2004 Brion Vibber <brion@pobox.com>, Domas Mituzas <domas.mituzas@gmail.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
+# 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.
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# http://www.gnu.org/copyleft/gpl.html
/**
* @subpackage Search
*/
+/** */
require_once( 'SearchEngine.php' );
+/**
+ * @todo document
+ * @package MediaWiki
+ * @subpackage Search
+ */
class SearchTsearch2 extends SearchEngine {
var $strictMatching = false;
-
+
function SearchTsearch2( &$db ) {
$this->db =& $db;
$this->db->setSchema('tsearch');
+ $this->mRanking = true;
}
-
+
function getIndexField( $fulltext ) {
return $fulltext ? 'si_text' : 'si_title';
}
} else {
wfDebug( "Can't understand search query '{$this->filteredText}'\n" );
}
-
+
$searchon = preg_replace('/(\s+)/','&',$searchon);
$searchon = $this->db->strencode( $searchon );
+ return $searchon;
+ }
+
+ function queryRanking($filteredTerm, $fulltext) {
$field = $this->getIndexField( $fulltext );
- return " $field @@ to_tsquery('$searchon')";
+ $searchon = $this->parseQuery($filteredTerm,$fulltext);
+ if ($this->mRanking)
+ return " ORDER BY rank($field,to_tsquery('$searchon')) DESC";
+ else
+ return "";
}
+
function queryMain( $filteredTerm, $fulltext ) {
$match = $this->parseQuery( $filteredTerm, $fulltext );
+ $field = $this->getIndexField( $fulltext );
$cur = $this->db->tableName( 'cur' );
$searchindex = $this->db->tableName( 'searchindex' );
return 'SELECT cur_id, cur_namespace, cur_title, cur_text ' .
"FROM $cur,$searchindex " .
- 'WHERE cur_id=si_page AND ' . $match;
+ 'WHERE cur_id=si_page AND ' .
+ " $field @@ to_tsquery ('$match') " ;
+ }
+
+ function update( $id, $title, $text ) {
+ $dbw=& wfGetDB(DB_MASTER);
+ $searchindex = $dbw->tableName( 'searchindex' );
+ $sql = "DELETE FROM $searchindex WHERE si_page={$id}";
+ $dbw->query($sql,"SearchTsearch2:update");
+ $sql = "INSERT INTO $searchindex (si_page,si_title,si_text) ".
+ " VALUES ( $id, to_tsvector('".
+ $dbw->strencode($title).
+ "'),to_tsvector('".
+ $dbw->strencode( $text)."')) ";
+ $dbw->query($sql,"SearchTsearch2:update");
}
+
+ function updateTitle($id,$title) {
+ $dbw=& wfGetDB(DB_MASTER);
+ $searchindex = $dbw->tableName( 'searchindex' );
+ $sql = "UPDATE $searchindex SET si_title=to_tsvector('" .
+ $db->strencode( $title ) .
+ "') WHERE si_page={$id}";
+
+ $dbw->query( $sql, "SearchMySQL4::updateTitle" );
+ }
+
}
?>