MediaWiki REL1_33
nukePage.php
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1<?php
26require_once __DIR__ . '/Maintenance.php';
27
33class NukePage extends Maintenance {
34 public function __construct() {
35 parent::__construct();
36 $this->addDescription( 'Remove a page record from the database' );
37 $this->addOption( 'delete', "Actually delete the page" );
38 $this->addArg( 'title', 'Title to delete' );
39 }
40
41 public function execute() {
42 $name = $this->getArg( 0 );
43 $delete = $this->hasOption( 'delete' );
44
45 $dbw = $this->getDB( DB_MASTER );
46 $this->beginTransaction( $dbw, __METHOD__ );
47
48 $tbl_pag = $dbw->tableName( 'page' );
49 $tbl_rec = $dbw->tableName( 'recentchanges' );
50 $tbl_rev = $dbw->tableName( 'revision' );
51
52 # Get page ID
53 $this->output( "Searching for \"$name\"..." );
54 $title = Title::newFromText( $name );
55 if ( $title ) {
56 $id = $title->getArticleID();
57 $real = $title->getPrefixedText();
58 $isGoodArticle = $title->isContentPage();
59 $this->output( "found \"$real\" with ID $id.\n" );
60
61 # Get corresponding revisions
62 $this->output( "Searching for revisions..." );
63 $res = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_page = $id" );
64 $revs = [];
65 foreach ( $res as $row ) {
66 $revs[] = $row->rev_id;
67 }
68 $count = count( $revs );
69 $this->output( "found $count.\n" );
70
71 # Delete the page record and associated recent changes entries
72 if ( $delete ) {
73 $this->output( "Deleting page record..." );
74 $dbw->query( "DELETE FROM $tbl_pag WHERE page_id = $id" );
75 $this->output( "done.\n" );
76 $this->output( "Cleaning up recent changes..." );
77 $dbw->query( "DELETE FROM $tbl_rec WHERE rc_cur_id = $id" );
78 $this->output( "done.\n" );
79 }
80
81 $this->commitTransaction( $dbw, __METHOD__ );
82
83 # Delete revisions as appropriate
84 if ( $delete && $count ) {
85 $this->output( "Deleting revisions..." );
86 $this->deleteRevisions( $revs );
87 $this->output( "done.\n" );
88 $this->purgeRedundantText( true );
89 }
90
91 # Update stats as appropriate
92 if ( $delete ) {
93 $this->output( "Updating site stats..." );
94 $ga = $isGoodArticle ? -1 : 0; // if it was good, decrement that too
95 $stats = new SiteStatsUpdate( 0, -$count, $ga, -1 );
96 $stats->doUpdate();
97 $this->output( "done.\n" );
98 }
99 } else {
100 $this->output( "not found in database.\n" );
101 $this->commitTransaction( $dbw, __METHOD__ );
102 }
103 }
104
105 public function deleteRevisions( $ids ) {
106 $dbw = $this->getDB( DB_MASTER );
107 $this->beginTransaction( $dbw, __METHOD__ );
108
109 $tbl_rev = $dbw->tableName( 'revision' );
110
111 $set = implode( ', ', $ids );
112 $dbw->query( "DELETE FROM $tbl_rev WHERE rev_id IN ( $set )" );
113
114 $this->commitTransaction( $dbw, __METHOD__ );
115 }
116}
117
118$maintClass = NukePage::class;
119require_once RUN_MAINTENANCE_IF_MAIN;
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
addArg( $arg, $description, $required=true)
Add some args that are needed.
beginTransaction(IDatabase $dbw, $fname)
Begin a transcation on a DB.
commitTransaction(IDatabase $dbw, $fname)
Commit the transcation on a DB handle and wait for replica DBs to catch up.
output( $out, $channel=null)
Throw some output to the user.
getDB( $db, $groups=[], $wiki=false)
Returns a database to be used by current maintenance script.
hasOption( $name)
Checks to see if a particular option exists.
purgeRedundantText( $delete=true)
Support function for cleaning up redundant text records.
getArg( $argId=0, $default=null)
Get an argument.
addDescription( $text)
Set the description text.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
Maintenance script that erases a page record from the database.
Definition nukePage.php:33
deleteRevisions( $ids)
Definition nukePage.php:105
__construct()
Default constructor.
Definition nukePage.php:34
execute()
Do the actual work.
Definition nukePage.php:41
Class for handling updates to the site_stats table.
$res
Definition database.txt:21
require_once RUN_MAINTENANCE_IF_MAIN
$maintClass
Definition nukePage.php:118
const DB_MASTER
Definition defines.php:26