MediaWiki REL1_34
initEditCount.php
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1<?php
25require_once __DIR__ . '/Maintenance.php';
26
28
30 public function __construct() {
31 parent::__construct();
32 $this->addOption( 'quick', 'Force the update to be done in a single query' );
33 $this->addOption( 'background', 'Force replication-friendly mode; may be inefficient but
34 avoids locking tables or lagging replica DBs with large updates;
35 calculates counts on a replica DB if possible.
36
37Background mode will be automatically used if multiple servers are listed
38in the load balancer, usually indicating a replication environment.' );
39 $this->addDescription( 'Batch-recalculate user_editcount fields from the revision table' );
40 }
41
42 public function execute() {
43 $dbw = $this->getDB( DB_MASTER );
44
45 // Autodetect mode...
46 if ( $this->hasOption( 'background' ) ) {
47 $backgroundMode = true;
48 } elseif ( $this->hasOption( 'quick' ) ) {
49 $backgroundMode = false;
50 } else {
51 $lb = MediaWikiServices::getInstance()->getDBLoadBalancer();
52 $backgroundMode = $lb->getServerCount() > 1;
53 }
54
55 $actorQuery = ActorMigration::newMigration()->getJoin( 'rev_user' );
56
57 if ( $backgroundMode ) {
58 $this->output( "Using replication-friendly background mode...\n" );
59
60 $dbr = $this->getDB( DB_REPLICA );
61 $chunkSize = 100;
62 $lastUser = $dbr->selectField( 'user', 'MAX(user_id)', '', __METHOD__ );
63
64 $start = microtime( true );
65 $migrated = 0;
66 for ( $min = 0; $min <= $lastUser; $min += $chunkSize ) {
67 $max = $min + $chunkSize;
68
69 $revUser = $actorQuery['fields']['rev_user'];
70 $result = $dbr->select(
71 [ 'user', 'rev' => [ 'revision' ] + $actorQuery['tables'] ],
72 [ 'user_id', 'user_editcount' => "COUNT($revUser)" ],
73 "user_id > $min AND user_id <= $max",
74 __METHOD__,
75 [ 'GROUP BY' => 'user_id' ],
76 [ 'rev' => [ 'LEFT JOIN', "user_id = $revUser" ] ] + $actorQuery['joins']
77 );
78
79 foreach ( $result as $row ) {
80 $dbw->update( 'user',
81 [ 'user_editcount' => $row->user_editcount ],
82 [ 'user_id' => $row->user_id ],
83 __METHOD__ );
84 ++$migrated;
85 }
86
87 $delta = microtime( true ) - $start;
88 $rate = ( $delta == 0.0 ) ? 0.0 : $migrated / $delta;
89 $this->output( sprintf( "%s %d (%0.1f%%) done in %0.1f secs (%0.3f accounts/sec).\n",
90 WikiMap::getCurrentWikiDbDomain()->getId(),
91 $migrated,
92 min( $max, $lastUser ) / $lastUser * 100.0,
93 $delta,
94 $rate ) );
95
97 }
98 } else {
99 $this->output( "Using single-query mode...\n" );
100
101 $user = $dbw->tableName( 'user' );
102 $subquery = $dbw->selectSQLText(
103 [ 'revision' ] + $actorQuery['tables'],
104 [ 'COUNT(*)' ],
105 [ 'user_id = ' . $actorQuery['fields']['rev_user'] ],
106 __METHOD__,
107 [],
108 $actorQuery['joins']
109 );
110 $dbw->query( "UPDATE $user SET user_editcount=($subquery)", __METHOD__ );
111 }
112
113 $this->output( "Done!\n" );
114 }
115}
116
117$maintClass = InitEditCount::class;
118require_once RUN_MAINTENANCE_IF_MAIN;
getDB()
wfWaitForSlaves( $ifWritesSince=null, $wiki=false, $cluster=false, $timeout=null)
Waits for the replica DBs to catch up to the master position.
const RUN_MAINTENANCE_IF_MAIN
__construct()
Default constructor.
execute()
Do the actual work.
Abstract maintenance class for quickly writing and churning out maintenance scripts with minimal effo...
output( $out, $channel=null)
Throw some output to the user.
hasOption( $name)
Checks to see if a particular option exists.
addDescription( $text)
Set the description text.
addOption( $name, $description, $required=false, $withArg=false, $shortName=false, $multiOccurrence=false)
Add a parameter to the script.
MediaWikiServices is the service locator for the application scope of MediaWiki.
$maintClass
const DB_REPLICA
Definition defines.php:25
const DB_MASTER
Definition defines.php:26