<?php
-# SQLite search backend, based upon SearchMysql
-#
-# 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.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-# http://www.gnu.org/copyleft/gpl.html
-
/**
+ * SQLite search backend, based upon SearchMysql
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup Search
*/
* @ingroup Search
*/
class SearchSqlite extends SearchEngine {
- // Cached because SearchUpdate keeps recreating our class
- private static $fulltextSupported = null;
-
/**
* Creates an instance of this class
* @param $db DatabaseSqlite: database object
*/
function __construct( $db ) {
- $this->db = $db;
+ parent::__construct( $db );
}
/**
* @return Boolean
*/
function fulltextSearchSupported() {
- if ( self::$fulltextSupported === null ) {
- self::$fulltextSupported = $this->db->selectField(
- 'updatelog',
- 'ul_key',
- array( 'ul_key' => 'fts3' ),
- __METHOD__ ) !== false;
- }
- return self::$fulltextSupported;
+ return $this->db->checkForEnabledSearch();
}
- /**
- * Parse the user's query and transform it into an SQL fragment which will
+ /**
+ * Parse the user's query and transform it into an SQL fragment which will
* become part of a WHERE clause
*/
function parseQuery( $filteredText, $fulltext ) {
$filteredText, $m, PREG_SET_ORDER ) ) {
foreach( $m as $bits ) {
@list( /* all */, $modifier, $term, $nonQuoted, $wildcard ) = $bits;
-
+
if( $nonQuoted != '' ) {
$term = $nonQuoted;
$quote = '';
} else {
$variants = array( $term );
}
-
+
// The low-level search index does some processing on input to work
// around problems with minimum lengths and encoding in MySQL's
// fulltext engine.
$strippedVariants = array_map(
array( $wgContLang, 'normalizeForSearch' ),
$variants );
-
+
// Some languages such as Chinese force all variants to a canonical
// form when stripping to the low-level search index, so to be sure
// let's check our variants list for unique items after stripping.
$strippedVariants = array_unique( $strippedVariants );
-
+
$searchon .= $modifier;
if( count( $strippedVariants) > 1 )
$searchon .= '(';
}
if( count( $strippedVariants) > 1 )
$searchon .= ')';
-
+
// Match individual terms or quoted phrase in result highlighting...
// Note that variants will be introduced in a later stage for highlighting!
$regexp = $this->regexTerm( $term, $wildcard );
$field = $this->getIndexField( $fulltext );
return " $field MATCH '$searchon' ";
}
-
+
function regexTerm( $string, $wildcard ) {
global $wgContLang;
-
+
$regex = preg_quote( $string, '/' );
if( $wgContLang->hasWordBreaks() ) {
if( $wildcard ) {
function searchTitle( $term ) {
return $this->searchInternal( $term, false );
}
-
+
protected function searchInternal( $term, $fulltext ) {
global $wgCountTotalSearchHits, $wgContLang;
$filteredTerm = $this->filter( $wgContLang->lc( $term ) );
$resultSet = $this->db->query( $this->getQuery( $filteredTerm, $fulltext ) );
-
+
$total = null;
if( $wgCountTotalSearchHits ) {
$totalResult = $this->db->query( $this->getCountQuery( $filteredTerm, $fulltext ) );
}
$totalResult->free();
}
-
+
return new SqliteSearchResultSet( $resultSet, $this->searchTerms, $total );
}
/**
* Returns a query with limit for number of results set.
- * @param $sql String:
+ * @param $sql String:
* @return String
*/
function limitResult( $sql ) {
$this->queryNamespaces()
);
}
-
+
/**
* Picks which field to index on, depending on what type of query.
* @param $fulltext Boolean
$dbw = wfGetDB( DB_MASTER );
$dbw->delete( 'searchindex', array( 'rowid' => $id ), __METHOD__ );
-
+
$dbw->insert( 'searchindex',
array(
'rowid' => $id,
* @ingroup Search
*/
class SqliteSearchResultSet extends SqlSearchResultSet {
- function SqliteSearchResultSet( $resultSet, $terms, $totalHits=null ) {
+ function __construct( $resultSet, $terms, $totalHits=null ) {
parent::__construct( $resultSet, $terms );
$this->mTotalHits = $totalHits;
}
function getTotalHits() {
return $this->mTotalHits;
}
-}
\ No newline at end of file
+}
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