3 * Init the user_editcount database field based on the number of rows in the
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 * http://www.gnu.org/copyleft/gpl.html
22 * @ingroup Maintenance
25 require_once __DIR__
. '/Maintenance.php';
27 class InitEditCount
extends Maintenance
{
28 public function __construct() {
29 parent
::__construct();
30 $this->addOption( 'quick', 'Force the update to be done in a single query' );
31 $this->addOption( 'background', 'Force replication-friendly mode; may be inefficient but
32 avoids locking tables or lagging replica DBs with large updates;
33 calculates counts on a replica DB if possible.
35 Background mode will be automatically used if multiple servers are listed
36 in the load balancer, usually indicating a replication environment.' );
37 $this->addDescription( 'Batch-recalculate user_editcount fields from the revision table' );
40 public function execute() {
41 $dbw = $this->getDB( DB_MASTER
);
42 $user = $dbw->tableName( 'user' );
43 $revision = $dbw->tableName( 'revision' );
45 $dbver = $dbw->getServerVersion();
48 if ( $this->hasOption( 'background' ) ) {
49 $backgroundMode = true;
50 } elseif ( $this->hasOption( 'quick' ) ) {
51 $backgroundMode = false;
53 $backgroundMode = wfGetLB()->getServerCount() > 1;
56 if ( $backgroundMode ) {
57 $this->output( "Using replication-friendly background mode...\n" );
59 $dbr = $this->getDB( DB_REPLICA
);
61 $lastUser = $dbr->selectField( 'user', 'MAX(user_id)', '', __METHOD__
);
63 $start = microtime( true );
65 for ( $min = 0; $min <= $lastUser; $min +
= $chunkSize ) {
66 $max = $min +
$chunkSize;
67 $result = $dbr->query(
70 COUNT(rev_user) AS user_editcount
72 LEFT OUTER JOIN $revision ON user_id=rev_user
73 WHERE user_id > $min AND user_id <= $max
77 foreach ( $result as $row ) {
79 [ 'user_editcount' => $row->user_editcount
],
80 [ 'user_id' => $row->user_id
],
85 $delta = microtime( true ) - $start;
86 $rate = ( $delta == 0.0 ) ?
0.0 : $migrated / $delta;
87 $this->output( sprintf( "%s %d (%0.1f%%) done in %0.1f secs (%0.3f accounts/sec).\n",
90 min( $max, $lastUser ) / $lastUser * 100.0,
97 $this->output( "Using single-query mode...\n" );
98 $sql = "UPDATE $user SET user_editcount=(SELECT COUNT(*) FROM $revision WHERE rev_user=user_id)";
102 $this->output( "Done!\n" );
106 $maintClass = "InitEditCount";
107 require_once RUN_MAINTENANCE_IF_MAIN
;