MediaWiki REL1_39
populateIpChanges.php
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1<?php
27require_once __DIR__ . '/Maintenance.php';
28
30use Wikimedia\IPUtils;
31
40 public function __construct() {
41 parent::__construct();
42
43 $this->addDescription( <<<TEXT
44This script will find all rows in the revision table where the user is an IP,
45and copy relevant fields to the ip_changes table. This backfilled data will
46then be available when querying for IP ranges at Special:Contributions.
47TEXT
48 );
49 $this->addOption( 'rev-id', 'The rev_id to start copying from. Default: 0', false, true );
50 $this->addOption(
51 'max-rev-id',
52 'The rev_id to stop at. Default: result of MAX(rev_id)',
53 false,
54 true
55 );
56 $this->addOption(
57 'throttle',
58 'Wait this many milliseconds after copying each batch of revisions. Default: 0',
59 false,
60 true
61 );
62 $this->addOption( 'force', 'Run regardless of whether the database says it\'s been run already' );
63 }
64
65 public function doDBUpdates() {
66 $dbw = $this->getDB( DB_PRIMARY );
67
68 if ( !$dbw->tableExists( 'ip_changes', __METHOD__ ) ) {
69 $this->fatalError( 'ip_changes table does not exist' );
70 }
71
72 $lbFactory = MediaWikiServices::getInstance()->getDBLoadBalancerFactory();
73 $dbr = $this->getDB( DB_REPLICA, [ 'vslow' ] );
74 $throttle = intval( $this->getOption( 'throttle', 0 ) );
75 $maxRevId = intval( $this->getOption( 'max-rev-id', 0 ) );
76 $start = $this->getOption( 'rev-id', 0 );
77 $end = $maxRevId > 0
78 ? $maxRevId
79 : $dbw->selectField( 'revision', 'MAX(rev_id)', '', __METHOD__ );
80
81 if ( empty( $end ) ) {
82 $this->output( "No revisions found, aborting.\n" );
83 return true;
84 }
85
86 $blockStart = $start;
87 $attempted = 0;
88 $inserted = 0;
89
90 $this->output( "Copying IP revisions to ip_changes, from rev_id $start to rev_id $end\n" );
91
92 $actorMigration = ActorMigration::newMigration();
93 $actorQuery = $actorMigration->getJoin( 'rev_user' );
94 $revUserIsAnon = $actorMigration->isAnon( $actorQuery['fields']['rev_user'] );
95
96 while ( $blockStart <= $end ) {
97 $blockEnd = min( $blockStart + $this->getBatchSize(), $end );
98 $rows = $dbr->select(
99 [ 'revision' ] + $actorQuery['tables'],
100 [ 'rev_id', 'rev_timestamp', 'rev_user_text' => $actorQuery['fields']['rev_user_text'] ],
101 [ "rev_id BETWEEN " . (int)$blockStart . " AND " . (int)$blockEnd, $revUserIsAnon ],
102 __METHOD__,
103 [],
104 $actorQuery['joins']
105 );
106
107 $numRows = $rows->numRows();
108
109 if ( !$rows || $numRows === 0 ) {
110 $blockStart = $blockEnd + 1;
111 continue;
112 }
113
114 $this->output( "...checking $numRows revisions for IP edits that need copying, " .
115 "between rev_ids $blockStart and $blockEnd\n" );
116
117 $insertRows = [];
118 foreach ( $rows as $row ) {
119 // Make sure this is really an IP, e.g. not maintenance user or imported revision.
120 if ( IPUtils::isValid( $row->rev_user_text ) ) {
121 $insertRows[] = [
122 'ipc_rev_id' => $row->rev_id,
123 'ipc_rev_timestamp' => $row->rev_timestamp,
124 'ipc_hex' => IPUtils::toHex( $row->rev_user_text ),
125 ];
126
127 $attempted++;
128 }
129 }
130
131 if ( $insertRows ) {
132 $dbw->insert( 'ip_changes', $insertRows, __METHOD__, [ 'IGNORE' ] );
133
134 $inserted += $dbw->affectedRows();
135 }
136
137 $lbFactory->waitForReplication();
138 usleep( $throttle * 1000 );
139
140 $blockStart = $blockEnd + 1;
141 }
142
143 $this->output( "Attempted to insert $attempted IP revisions, $inserted actually done.\n" );
144
145 return true;
146 }
147
148 protected function getUpdateKey() {
149 return 'populate ip_changes';
150 }
151}
152
153$maintClass = PopulateIpChanges::class;
154require_once RUN_MAINTENANCE_IF_MAIN;
getDB()
Class for scripts that perform database maintenance and want to log the update in updatelog so we can...
output( $out, $channel=null)
Throw some output to the user.
getBatchSize()
Returns batch size.
addDescription( $text)
Set the description text.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
getOption( $name, $default=null)
Get an option, or return the default.
fatalError( $msg, $exitCode=1)
Output a message and terminate the current script.
Service locator for MediaWiki core services.
Maintenance script that will find all rows in the revision table where rev_user = 0 (user is an IP),...
__construct()
Default constructor.
doDBUpdates()
Do the actual work.
getUpdateKey()
Get the update key name to go in the update log table.
const DB_REPLICA
Definition defines.php:26
const DB_PRIMARY
Definition defines.php:28