MediaWiki REL1_33
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 wfWikiID(),
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;
and that you know you can do these things To protect your we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights These restrictions translate to certain responsibilities for you if you distribute copies of the or if you modify it For if you distribute copies of such a whether gratis or for a you must give the recipients all the rights that you have You must make sure that receive or can get the source code And you must show them these terms so they know their rights We protect your rights with two and(2) offer you this license which gives you legal permission to copy
wfWaitForSlaves( $ifWritesSince=null, $wiki=false, $cluster=false, $timeout=null)
Waits for the replica DBs to catch up to the master position.
wfWikiID()
Get an ASCII string identifying this wiki This is used as a prefix in memcached keys.
__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.
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.
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
require_once RUN_MAINTENANCE_IF_MAIN
const DB_REPLICA
Definition defines.php:25
const DB_MASTER
Definition defines.php:26