<?php
/**
+ * Init the user_editcount database field based on the number of rows in the
+ * revision table.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
* @file
* @ingroup Maintenance
*/
-require_once "commandLine.inc";
+require_once __DIR__ . '/Maintenance.php';
-if( isset( $options['help'] ) ) {
- die( "Batch-recalculate user_editcount fields from the revision table.
-Options:
- --quick Force the update to be done in a single query.
- --background Force replication-friendly mode; may be inefficient but
- avoids locking tables or lagging slaves with large updates;
- calculates counts on a slave if possible.
+class InitEditCount extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->addOption( 'quick', 'Force the update to be done in a single query' );
+ $this->addOption( 'background', 'Force replication-friendly mode; may be inefficient but
+ avoids locking tables or lagging replica DBs with large updates;
+ calculates counts on a replica DB if possible.
-Background mode will be automatically used if the server is MySQL 4.0
-(which does not support subqueries) or if multiple servers are listed
-in \$wgDBservers, usually indicating a replication environment.
+Background mode will be automatically used if multiple servers are listed
+in the load balancer, usually indicating a replication environment.' );
+ $this->addDescription( 'Batch-recalculate user_editcount fields from the revision table' );
+ }
-");
-}
-$dbw = wfGetDB( DB_MASTER );
-$user = $dbw->tableName( 'user' );
-$revision = $dbw->tableName( 'revision' );
+ public function execute() {
+ $dbw = $this->getDB( DB_MASTER );
+ $user = $dbw->tableName( 'user' );
+ $revision = $dbw->tableName( 'revision' );
-$dbver = $dbw->getServerVersion();
+ // Autodetect mode...
+ if ( $this->hasOption( 'background' ) ) {
+ $backgroundMode = true;
+ } elseif ( $this->hasOption( 'quick' ) ) {
+ $backgroundMode = false;
+ } else {
+ $backgroundMode = wfGetLB()->getServerCount() > 1;
+ }
-// Autodetect mode...
-$backgroundMode = count( $wgDBservers ) > 1 ||
- ($dbw instanceof DatabaseMySql && version_compare( $dbver, '4.1' ) < 0);
+ if ( $backgroundMode ) {
+ $this->output( "Using replication-friendly background mode...\n" );
-if( isset( $options['background'] ) ) {
- $backgroundMode = true;
-} elseif( isset( $options['quick'] ) ) {
- $backgroundMode = false;
-}
+ $dbr = $this->getDB( DB_REPLICA );
+ $chunkSize = 100;
+ $lastUser = $dbr->selectField( 'user', 'MAX(user_id)', '', __METHOD__ );
+
+ $start = microtime( true );
+ $migrated = 0;
+ for ( $min = 0; $min <= $lastUser; $min += $chunkSize ) {
+ $max = $min + $chunkSize;
+ $result = $dbr->query(
+ "SELECT
+ user_id,
+ COUNT(rev_user) AS user_editcount
+ FROM $user
+ LEFT OUTER JOIN $revision ON user_id=rev_user
+ WHERE user_id > $min AND user_id <= $max
+ GROUP BY user_id",
+ __METHOD__ );
-if( $backgroundMode ) {
- echo "Using replication-friendly background mode...\n";
-
- $dbr = wfGetDB( DB_SLAVE );
- $chunkSize = 100;
- $lastUser = $dbr->selectField( 'user', 'MAX(user_id)', '', __FUNCTION__ );
-
- $start = microtime( true );
- $migrated = 0;
- for( $min = 0; $min <= $lastUser; $min += $chunkSize ) {
- $max = $min + $chunkSize;
- $result = $dbr->query(
- "SELECT
- user_id,
- COUNT(rev_user) AS user_editcount
- FROM $user
- LEFT OUTER JOIN $revision ON user_id=rev_user
- WHERE user_id > $min AND user_id <= $max
- GROUP BY user_id",
- __FUNCTION__ );
-
- while( $row = $dbr->fetchObject( $result ) ) {
- $dbw->update( 'user',
- array( 'user_editcount' => $row->user_editcount ),
- array( 'user_id' => $row->user_id ),
- __FUNCTION__ );
- ++$migrated;
+ foreach ( $result as $row ) {
+ $dbw->update( 'user',
+ [ 'user_editcount' => $row->user_editcount ],
+ [ 'user_id' => $row->user_id ],
+ __METHOD__ );
+ ++$migrated;
+ }
+
+ $delta = microtime( true ) - $start;
+ $rate = ( $delta == 0.0 ) ? 0.0 : $migrated / $delta;
+ $this->output( sprintf( "%s %d (%0.1f%%) done in %0.1f secs (%0.3f accounts/sec).\n",
+ wfWikiID(),
+ $migrated,
+ min( $max, $lastUser ) / $lastUser * 100.0,
+ $delta,
+ $rate ) );
+
+ wfWaitForSlaves();
+ }
+ } else {
+ $this->output( "Using single-query mode...\n" );
+ $sql = "UPDATE $user SET user_editcount=(SELECT COUNT(*) FROM $revision WHERE rev_user=user_id)";
+ $dbw->query( $sql );
}
- $dbr->freeResult( $result );
-
- $delta = microtime( true ) - $start;
- $rate = ($delta == 0.0) ? 0.0 : $migrated / $delta;
- printf( "%s %d (%0.1f%%) done in %0.1f secs (%0.3f accounts/sec).\n",
- $wgDBname,
- $migrated,
- min( $max, $lastUser ) / $lastUser * 100.0,
- $delta,
- $rate );
-
- wfWaitForSlaves( 10 );
+
+ $this->output( "Done!\n" );
}
-} else {
- // Subselect should work on modern MySQLs etc
- echo "Using single-query mode...\n";
- $sql = "UPDATE $user SET user_editcount=(SELECT COUNT(*) FROM $revision WHERE rev_user=user_id)";
- $dbw->query( $sql );
}
-echo "Done!\n";
-
-
+$maintClass = "InitEditCount";
+require_once RUN_MAINTENANCE_IF_MAIN;
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff