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1 | <?php |
2 | /** |
3 | * Corrects wrong values in the `page_latest` field in the database. |
4 | * |
5 | * Copyright © 2005 Brooke Vibber <bvibber@wikimedia.org> |
6 | * https://www.mediawiki.org/ |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by |
10 | * the Free Software Foundation; either version 2 of the License, or |
11 | * (at your option) any later version. |
12 | * |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU General Public License along |
19 | * with this program; if not, write to the Free Software Foundation, Inc., |
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
21 | * http://www.gnu.org/copyleft/gpl.html |
22 | * |
23 | * @file |
24 | * @ingroup Maintenance |
25 | */ |
26 | |
27 | use MediaWiki\Title\Title; |
28 | |
29 | require_once __DIR__ . '/Maintenance.php'; |
30 | |
31 | /** |
32 | * Maintenance script to correct wrong values in the `page_latest` field |
33 | * in the database. |
34 | * |
35 | * @ingroup Maintenance |
36 | */ |
37 | class AttachLatest extends Maintenance { |
38 | public function __construct() { |
39 | parent::__construct(); |
40 | $this->addOption( "fix", "Actually fix the entries, will dry run otherwise" ); |
41 | $this->addOption( "regenerate-all", |
42 | "Regenerate the page_latest field for all records in table page" ); |
43 | $this->addDescription( 'Fix page_latest entries in the page table' ); |
44 | } |
45 | |
46 | public function execute() { |
47 | $this->output( "Looking for pages with page_latest set to 0...\n" ); |
48 | $dbw = $this->getPrimaryDB(); |
49 | $conds = [ 'page_latest' => 0 ]; |
50 | if ( $this->hasOption( 'regenerate-all' ) ) { |
51 | $conds = ''; |
52 | } |
53 | $result = $dbw->newSelectQueryBuilder() |
54 | ->select( [ 'page_id', 'page_namespace', 'page_title' ] ) |
55 | ->from( 'page' ) |
56 | ->where( $conds ) |
57 | ->caller( __METHOD__ ) |
58 | ->fetchResultSet(); |
59 | |
60 | $services = $this->getServiceContainer(); |
61 | $dbDomain = $services->getDBLoadBalancerFactory()->getLocalDomainID(); |
62 | $wikiPageFactory = $services->getWikiPageFactory(); |
63 | $revisionLookup = $services->getRevisionLookup(); |
64 | |
65 | $n = 0; |
66 | foreach ( $result as $row ) { |
67 | $pageId = intval( $row->page_id ); |
68 | $title = Title::makeTitle( $row->page_namespace, $row->page_title ); |
69 | $name = $title->getPrefixedText(); |
70 | $latestTime = $dbw->newSelectQueryBuilder() |
71 | ->select( 'MAX(rev_timestamp)' ) |
72 | ->from( 'revision' ) |
73 | ->where( [ 'rev_page' => $pageId ] ) |
74 | ->caller( __METHOD__ ) |
75 | ->fetchField(); |
76 | if ( !$latestTime ) { |
77 | $this->output( "$dbDomain $pageId [[$name]] can't find latest rev time?!\n" ); |
78 | continue; |
79 | } |
80 | |
81 | $revRecord = $revisionLookup->getRevisionByTimestamp( $title, $latestTime, IDBAccessObject::READ_LATEST ); |
82 | if ( $revRecord === null ) { |
83 | $this->output( |
84 | "$dbDomain $pageId [[$name]] latest time $latestTime, can't find revision id\n" |
85 | ); |
86 | continue; |
87 | } |
88 | |
89 | $id = $revRecord->getId(); |
90 | $this->output( "$dbDomain $pageId [[$name]] latest time $latestTime, rev id $id\n" ); |
91 | if ( $this->hasOption( 'fix' ) ) { |
92 | $page = $wikiPageFactory->newFromTitle( $title ); |
93 | $page->updateRevisionOn( $dbw, $revRecord ); |
94 | $this->waitForReplication(); |
95 | } |
96 | $n++; |
97 | } |
98 | $this->output( "Done! Processed $n pages.\n" ); |
99 | if ( !$this->hasOption( 'fix' ) ) { |
100 | $this->output( "This was a dry run; rerun with --fix to update page_latest.\n" ); |
101 | } |
102 | } |
103 | } |
104 | |
105 | $maintClass = AttachLatest::class; |
106 | require_once RUN_MAINTENANCE_IF_MAIN; |