087a9f70c5
Doxygen documentation update: * Changed alls @addtogroup to @ingroup. @addtogroup adds the comment to the group description, but doesn't add the file, class, function, ... to the group like @ingroup does. See for example http://svn.wikimedia.org/doc/group__SpecialPage.html where it's impossible to see related files, classes, ... that should belong to that group. * Added @file to file description, it seems that it should be explicitely decalred for file descriptions, otherwise doxygen will think that the comment document the first class, variabled, function, ... that is in that file. * Removed some empty comments * Removed some ?> Added following groups: * ExternalStorage * JobQueue * MaintenanceLanguage One more thing: there are still a lot of warnings when generating the doc.
89 lines
2.4 KiB
PHP
89 lines
2.4 KiB
PHP
<?php
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/**
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* @file
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* @ingroup Maintenance
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*/
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require_once "commandLine.inc";
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if( isset( $options['help'] ) ) {
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die( "Batch-recalculate user_editcount fields from the revision table.
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Options:
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--quick Force the update to be done in a single query.
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--background Force replication-friendly mode; may be inefficient but
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avoids locking tables or lagging slaves with large updates;
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calculates counts on a slave if possible.
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Background mode will be automatically used if the server is MySQL 4.0
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(which does not support subqueries) or if multiple servers are listed
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in \$wgDBservers, usually indicating a replication environment.
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");
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}
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$dbw = wfGetDB( DB_MASTER );
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$user = $dbw->tableName( 'user' );
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$revision = $dbw->tableName( 'revision' );
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$dbver = $dbw->getServerVersion();
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// Autodetect mode...
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$backgroundMode = count( $wgDBservers ) > 1 ||
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($dbw instanceof DatabaseMySql && version_compare( $dbver, '4.1' ) < 0);
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if( isset( $options['background'] ) ) {
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$backgroundMode = true;
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} elseif( isset( $options['quick'] ) ) {
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$backgroundMode = false;
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}
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if( $backgroundMode ) {
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echo "Using replication-friendly background mode...\n";
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$dbr = wfGetDB( DB_SLAVE );
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$chunkSize = 100;
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$lastUser = $dbr->selectField( 'user', 'MAX(user_id)', '', __FUNCTION__ );
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$start = microtime( true );
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$migrated = 0;
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for( $min = 0; $min <= $lastUser; $min += $chunkSize ) {
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$max = $min + $chunkSize;
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$result = $dbr->query(
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"SELECT
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user_id,
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COUNT(rev_user) AS user_editcount
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FROM $user
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LEFT OUTER JOIN $revision ON user_id=rev_user
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WHERE user_id > $min AND user_id <= $max
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GROUP BY user_id",
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__FUNCTION__ );
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while( $row = $dbr->fetchObject( $result ) ) {
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$dbw->update( 'user',
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array( 'user_editcount' => $row->user_editcount ),
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array( 'user_id' => $row->user_id ),
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__FUNCTION__ );
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++$migrated;
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}
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$dbr->freeResult( $result );
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$delta = microtime( true ) - $start;
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$rate = ($delta == 0.0) ? 0.0 : $migrated / $delta;
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printf( "%s %d (%0.1f%%) done in %0.1f secs (%0.3f accounts/sec).\n",
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$wgDBname,
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$migrated,
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min( $max, $lastUser ) / $lastUser * 100.0,
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$delta,
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$rate );
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wfWaitForSlaves( 10 );
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}
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} else {
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// Subselect should work on modern MySQLs etc
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echo "Using single-query mode...\n";
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$sql = "UPDATE $user SET user_editcount=(SELECT COUNT(*) FROM $revision WHERE rev_user=user_id)";
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$dbw->query( $sql );
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}
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echo "Done!\n";
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