From 08aa4418c30cfc18ccc69a0f0f9cb9e17be6c196 Mon Sep 17 00:00:00 2001 From: Pierre Schmitz Date: Mon, 12 Aug 2013 09:28:15 +0200 Subject: Update to MediaWiki 1.21.1 --- includes/search/SearchIBM_DB2.php | 234 -------------------------------------- 1 file changed, 234 deletions(-) delete mode 100644 includes/search/SearchIBM_DB2.php (limited to 'includes/search/SearchIBM_DB2.php') diff --git a/includes/search/SearchIBM_DB2.php b/includes/search/SearchIBM_DB2.php deleted file mode 100644 index 51ed000f..00000000 --- a/includes/search/SearchIBM_DB2.php +++ /dev/null @@ -1,234 +0,0 @@ - - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * http://www.gnu.org/copyleft/gpl.html - * - * @file - * @ingroup Search - */ - -/** - * Search engine hook base class for IBM DB2 - * @ingroup Search - */ -class SearchIBM_DB2 extends SearchEngine { - - /** - * Creates an instance of this class - * @param $db DatabaseIbm_db2: database object - */ - function __construct($db) { - parent::__construct( $db ); - } - - /** - * Perform a full text search query and return a result set. - * - * @param $term String: raw search term - * @return SqlSearchResultSet - */ - function searchText( $term ) { - $resultSet = $this->db->resultObject($this->db->query($this->getQuery($this->filter($term), true))); - return new SqlSearchResultSet($resultSet, $this->searchTerms); - } - - /** - * Perform a title-only search query and return a result set. - * - * @param $term String: taw search term - * @return SqlSearchResultSet - */ - function searchTitle($term) { - $resultSet = $this->db->resultObject($this->db->query($this->getQuery($this->filter($term), false))); - return new SqlSearchResultSet($resultSet, $this->searchTerms); - } - - - /** - * Return a partial WHERE clause to exclude redirects, if so set - * @return String - */ - function queryRedirect() { - if ($this->showRedirects) { - return ''; - } else { - return 'AND page_is_redirect=0'; - } - } - - /** - * Return a partial WHERE clause to limit the search to the given namespaces - * @return String - */ - function queryNamespaces() { - if( is_null($this->namespaces) ) - return ''; - $namespaces = implode(',', $this->namespaces); - if ($namespaces == '') { - $namespaces = '0'; - } - return 'AND page_namespace IN (' . $namespaces . ')'; - } - - /** - * Return a LIMIT clause to limit results on the query. - * @return String - */ - function queryLimit( $sql ) { - return $this->db->limitResult($sql, $this->limit, $this->offset); - } - - /** - * Does not do anything for generic search engine - * subclasses may define this though - * @return String - */ - function queryRanking($filteredTerm, $fulltext) { - // requires Net Search Extender or equivalent - // return ' ORDER BY score(1)'; - return ''; - } - - /** - * Construct the full SQL query to do the search. - * The guts shoulds be constructed in queryMain() - * @param $filteredTerm String - * @param $fulltext Boolean - * @return String - */ - function getQuery( $filteredTerm, $fulltext ) { - return $this->queryLimit($this->queryMain($filteredTerm, $fulltext) . ' ' . - $this->queryRedirect() . ' ' . - $this->queryNamespaces() . ' ' . - $this->queryRanking( $filteredTerm, $fulltext ) . ' '); - } - - - /** - * Picks which field to index on, depending on what type of query. - * @param $fulltext Boolean - * @return String - */ - function getIndexField($fulltext) { - return $fulltext ? 'si_text' : 'si_title'; - } - - /** - * Get the base part of the search query. - * - * @param $filteredTerm String - * @param $fulltext Boolean - * @return String - */ - function queryMain( $filteredTerm, $fulltext ) { - $match = $this->parseQuery($filteredTerm, $fulltext); - $page = $this->db->tableName('page'); - $searchindex = $this->db->tableName('searchindex'); - return 'SELECT page_id, page_namespace, page_title ' . - "FROM $page,$searchindex " . - 'WHERE page_id=si_page AND ' . $match; - } - - /** @todo document - * @return string - */ - function parseQuery($filteredText, $fulltext) { - global $wgContLang; - $lc = SearchEngine::legalSearchChars(); - $this->searchTerms = array(); - - # @todo FIXME: This doesn't handle parenthetical expressions. - $m = array(); - $q = array(); - - if (preg_match_all('/([-+<>~]?)(([' . $lc . ']+)(\*?)|"[^"]*")/', - $filteredText, $m, PREG_SET_ORDER)) { - foreach($m as $terms) { - - // Search terms in all variant forms, only - // apply on wiki with LanguageConverter - $temp_terms = $wgContLang->autoConvertToAllVariants( $terms[2] ); - if( is_array( $temp_terms )) { - $temp_terms = array_unique( array_values( $temp_terms )); - foreach( $temp_terms as $t ) - $q[] = $terms[1] . $wgContLang->normalizeForSearch( $t ); - } - else - $q[] = $terms[1] . $wgContLang->normalizeForSearch( $terms[2] ); - - if (!empty($terms[3])) { - $regexp = preg_quote( $terms[3], '/' ); - if ($terms[4]) - $regexp .= "[0-9A-Za-z_]+"; - } else { - $regexp = preg_quote(str_replace('"', '', $terms[2]), '/'); - } - $this->searchTerms[] = $regexp; - } - } - - $searchon = $this->db->strencode(join(',', $q)); - $field = $this->getIndexField($fulltext); - - // requires Net Search Extender or equivalent - //return " CONTAINS($field, '$searchon') > 0 "; - - return " lcase($field) LIKE lcase('%$searchon%')"; - } - - /** - * Create or update the search index record for the given page. - * Title and text should be pre-processed. - * - * @param $id Integer - * @param $title String - * @param $text String - */ - function update($id, $title, $text) { - $dbw = wfGetDB(DB_MASTER); - $dbw->replace('searchindex', - array('si_page'), - array( - 'si_page' => $id, - 'si_title' => $title, - 'si_text' => $text - ), 'SearchIBM_DB2::update' ); - // ? - //$dbw->query("CALL ctx_ddl.sync_index('si_text_idx')"); - //$dbw->query("CALL ctx_ddl.sync_index('si_title_idx')"); - } - - /** - * Update a search index record's title only. - * Title should be pre-processed. - * - * @param $id Integer - * @param $title String - */ - function updateTitle($id, $title) { - $dbw = wfGetDB(DB_MASTER); - - $dbw->update('searchindex', - array('si_title' => $title), - array('si_page' => $id), - 'SearchIBM_DB2::updateTitle', - array()); - } -} -- cgit v1.2.2