}
function getIndexField() {
- return 'rc_user_text';
+ return 'qcc_title';
}
function getQueryInfo() {
$dbr = $this->getDatabase();
- $conds = array( 'rc_user > 0' ); // Users - no anons
- $conds[] = 'rc_log_type IS NULL OR rc_log_type != ' . $dbr->addQuotes( 'newusers' );
- $conds[] = 'rc_timestamp >= ' . $dbr->addQuotes(
- $dbr->timestamp( wfTimestamp( TS_UNIX ) - $this->RCMaxAge * 24 * 3600 ) );
-
+ $conds = array(
+ 'qcc_type' => 'activeusers',
+ 'qcc_namespace' => NS_USER,
+ 'user_name = qcc_title',
+ 'rc_user_text = qcc_title'
+ );
if ( $this->requestedUser != '' ) {
- $conds[] = 'rc_user_text >= ' . $dbr->addQuotes( $this->requestedUser );
+ $conds[] = 'qcc_title >= ' . $dbr->addQuotes( $this->requestedUser );
}
-
if ( !$this->getUser()->isAllowed( 'hideuser' ) ) {
$conds[] = 'NOT EXISTS (' . $dbr->selectSQLText(
- 'ipblocks', '1', array( 'rc_user=ipb_user', 'ipb_deleted' => 1 )
+ 'ipblocks', '1', array( 'ipb_user=user_id', 'ipb_deleted' => 1 )
) . ')';
}
return array(
- 'tables' => array( 'recentchanges' ),
- 'fields' => array(
- 'user_name' => 'rc_user_text', // for Pager inheritance
- 'rc_user_text', // for Pager
- 'user_id' => 'MAX(rc_user)', // Postgres
- 'recentedits' => 'COUNT(*)'
- ),
- 'options' => array(
- 'GROUP BY' => array( 'rc_user_text' ),
- 'USE INDEX' => array( 'recentchanges' => 'rc_user_text' )
- ),
+ 'tables' => array( 'querycachetwo', 'user', 'recentchanges' ),
+ 'fields' => array( 'user_name', 'user_id', 'recentedits' => 'COUNT(*)', 'qcc_title' ),
+ 'options' => array( 'GROUP BY' => array( 'qcc_title' ) ),
'conds' => $conds
);
}
$out->wrapWikiMsg( "<div class='mw-activeusers-intro'>\n$1\n</div>",
array( 'activeusers-intro', $this->getLanguage()->formatNum( $wgActiveUserDays ) ) );
+ // Occasionally merge in new updates
+ $seconds = min( self::mergeActiveUsers( 600 ), $wgActiveUserDays * 86400 );
+ // Mention the level of staleness
+ $out->addWikiMsg( 'cachedspecial-viewing-cached-ttl',
+ $this->getLanguage()->formatDuration( $seconds ) );
+
$up = new ActiveUsersPager( $this->getContext(), null, $par );
# getBody() first to check, if empty
protected function getGroupName() {
return 'users';
}
+
+ /**
+ * @param integer $period Seconds (do updates no more often than this)
+ * @return integer How many seconds old the cache is
+ */
+ public static function mergeActiveUsers( $period ) {
+ global $wgActiveUserDays;
+
+ $dbr = wfGetDB( DB_SLAVE );
+ $cTime = $dbr->selectField( 'querycache_info',
+ 'qci_timestamp',
+ array( 'qci_type' => 'activeusers' )
+ );
+ if ( !wfReadOnly() ) {
+ if ( !$cTime || ( time() - wfTimestamp( TS_UNIX, $cTime ) ) > $period ) {
+ $dbw = wfGetDB( DB_MASTER );
+ if ( $dbw->estimateRowCount( 'recentchanges' ) <= 10000 ) {
+ $window = $wgActiveUserDays * 86400; // small wiki
+ } else {
+ $window = $period * 2;
+ }
+ self::doQueryCacheUpdate( $dbw, $window );
+ }
+ }
+
+ return ( time() -
+ ( $cTime ? wfTimestamp( TS_UNIX, $cTime ) : $wgActiveUserDays * 86400 ) );
+ }
+
+ /**
+ * @param DatabaseBase $dbw Passed in from updateSpecialPages.php
+ * @return void
+ */
+ public static function cacheUpdate( DatabaseBase $dbw ) {
+ global $wgActiveUserDays;
+
+ self::doQueryCacheUpdate( $dbw, $wgActiveUserDays * 86400 );
+ }
+
+ /**
+ * Update the query cache as needed
+ *
+ * @param DatabaseBase $dbw
+ * @param integer $window Maximum time range of new data to scan (in seconds)
+ * @return bool Success
+ */
+ protected static function doQueryCacheUpdate( DatabaseBase $dbw, $window ) {
+ global $wgActiveUserDays;
+
+ $lockKey = wfWikiID() . '-activeusers';
+ if ( !$dbw->lock( $lockKey, __METHOD__, 1 ) ) {
+ return false; // exclusive update (avoids duplicate entries)
+ }
+
+ $now = time();
+ $cTime = $dbw->selectField( 'querycache_info',
+ 'qci_timestamp',
+ array( 'qci_type' => 'activeusers' )
+ );
+ $cTimeUnix = $cTime ? wfTimestamp( TS_UNIX, $cTime ) : 1;
+
+ // Pick the date range to fetch from. This is normally from the last
+ // update to till the present time, but has a limited window for sanity.
+ // If the window is limited, multiple runs are need to fully populate it.
+ $sTimestamp = max( $cTimeUnix, $now - $wgActiveUserDays * 86400 );
+ $eTimestamp = min( $sTimestamp + $window, $now );
+
+ // Get all the users active since the last update
+ $res = $dbw->select(
+ array( 'recentchanges' ),
+ array( 'rc_user_text', 'lastedittime' => 'MAX(rc_timestamp)' ),
+ array(
+ 'rc_user > 0', // actual accounts
+ 'rc_log_type IS NULL OR rc_log_type != ' . $dbw->addQuotes( 'newusers' ),
+ 'rc_timestamp >= ' . $dbw->addQuotes( $dbw->timestamp( $sTimestamp ) ),
+ 'rc_timestamp <= ' . $dbw->addQuotes( $dbw->timestamp( $eTimestamp ) )
+ ),
+ __METHOD__,
+ array(
+ 'GROUP BY' => array( 'rc_user_text' ),
+ 'ORDER BY' => 'NULL' // avoid filesort
+ )
+ );
+ $names = array();
+ foreach ( $res as $row ) {
+ $names[$row->rc_user_text] = $row->lastedittime;
+ }
+
+ // Rotate out users that have not edited in too long (according to old data set)
+ $dbw->delete( 'querycachetwo',
+ array(
+ 'qcc_type' => 'activeusers',
+ 'qcc_value < ' . $dbw->addQuotes( $now - $wgActiveUserDays * 86400 ) // TS_UNIX
+ ),
+ __METHOD__
+ );
+
+ // Find which of the recently active users are already accounted for
+ if ( count( $names ) ) {
+ $res = $dbw->select( 'querycachetwo',
+ array( 'user_name' => 'qcc_title' ),
+ array(
+ 'qcc_type' => 'activeusers',
+ 'qcc_namespace' => NS_USER,
+ 'qcc_title' => array_keys( $names ) ),
+ __METHOD__
+ );
+ foreach ( $res as $row ) {
+ unset( $names[$row->user_name] );
+ }
+ }
+
+ // Insert the users that need to be added to the list (which their last edit time
+ if ( count( $names ) ) {
+ $newRows = array();
+ foreach ( $names as $name => $lastEditTime ) {
+ $newRows[] = array(
+ 'qcc_type' => 'activeusers',
+ 'qcc_namespace' => NS_USER,
+ 'qcc_title' => $name,
+ 'qcc_value' => wfTimestamp( TS_UNIX, $lastEditTime ),
+ 'qcc_namespacetwo' => 0, // unused
+ 'qcc_titletwo' => '' // unused
+ );
+ }
+ foreach ( array_chunk( $newRows, 500 ) as $rowBatch ) {
+ $dbw->insert( 'querycachetwo', $rowBatch, __METHOD__ );
+ wfWaitForSlaves();
+ }
+ }
+
+ // Touch the data freshness timestamp
+ $dbw->replace( 'querycache_info',
+ array( 'qci_type' ),
+ array( 'qci_type' => 'activeusers',
+ 'qci_timestamp' => $dbw->timestamp( $eTimestamp ) ), // not always $now
+ __METHOD__
+ );
+
+ $dbw->unlock( $lockKey, __METHOD__ );
+
+ return true;
+ }
}
dépôts / lhc / web / wiklou.git / blobdiff