diff options
Diffstat (limited to 'includes/deferred/ViewCountUpdate.php')
-rw-r--r-- | includes/deferred/ViewCountUpdate.php | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/includes/deferred/ViewCountUpdate.php b/includes/deferred/ViewCountUpdate.php deleted file mode 100644 index 8282295b..00000000 --- a/includes/deferred/ViewCountUpdate.php +++ /dev/null @@ -1,119 +0,0 @@ -<?php -/** - * Update for the 'page_counter' field - * - * 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 - */ - -/** - * Update for the 'page_counter' field, when $wgDisableCounters is false. - * - * Depending on $wgHitcounterUpdateFreq, this will directly increment the - * 'page_counter' field or use the 'hitcounter' table and then collect the data - * from that table to update the 'page_counter' field in a batch operation. - */ -class ViewCountUpdate implements DeferrableUpdate { - /** @var int Page ID to increment the view count */ - protected $id; - - /** - * Constructor - * - * @param int $id Page ID to increment the view count - */ - public function __construct( $id ) { - $this->id = intval( $id ); - } - - /** - * Run the update - */ - public function doUpdate() { - global $wgHitcounterUpdateFreq; - - $dbw = wfGetDB( DB_MASTER ); - - if ( $wgHitcounterUpdateFreq <= 1 || $dbw->getType() == 'sqlite' ) { - $id = $this->id; - $method = __METHOD__; - $dbw->onTransactionIdle( function () use ( $dbw, $id, $method ) { - try { - $dbw->update( 'page', - array( 'page_counter = page_counter + 1' ), - array( 'page_id' => $id ), - $method - ); - } catch ( DBError $e ) { - MWExceptionHandler::logException( $e ); - } - } ); - return; - } - - # Not important enough to warrant an error page in case of failure - try { - // Since `hitcounter` is non-transactional, the contention is minimal - $dbw->insert( 'hitcounter', array( 'hc_id' => $this->id ), __METHOD__ ); - $checkfreq = intval( $wgHitcounterUpdateFreq / 25 + 1 ); - if ( rand() % $checkfreq == 0 && $dbw->lastErrno() == 0 ) { - $this->collect(); - } - } catch ( DBError $e ) { - MWExceptionHandler::logException( $e ); - } - } - - protected function collect() { - global $wgHitcounterUpdateFreq; - - $dbw = wfGetDB( DB_MASTER ); - - $rown = $dbw->selectField( 'hitcounter', 'COUNT(*)', array(), __METHOD__ ); - if ( $rown < $wgHitcounterUpdateFreq ) { - return; - } - - wfProfileIn( __METHOD__ . '-collect' ); - $old_user_abort = ignore_user_abort( true ); - - $dbType = $dbw->getType(); - $tabletype = $dbType == 'mysql' ? "ENGINE=HEAP " : ''; - $hitcounterTable = $dbw->tableName( 'hitcounter' ); - $acchitsTable = $dbw->tableName( 'acchits' ); - $pageTable = $dbw->tableName( 'page' ); - - $dbw->lockTables( array(), array( 'hitcounter' ), __METHOD__, false ); - $dbw->query( "CREATE TEMPORARY TABLE $acchitsTable $tabletype AS " . - "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable " . - 'GROUP BY hc_id', __METHOD__ ); - $dbw->delete( 'hitcounter', '*', __METHOD__ ); - $dbw->unlockTables( __METHOD__ ); - - if ( $dbType == 'mysql' ) { - $dbw->query( "UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n " . - 'WHERE page_id = hc_id', __METHOD__ ); - } else { - $dbw->query( "UPDATE $pageTable SET page_counter=page_counter + hc_n " . - "FROM $acchitsTable WHERE page_id = hc_id", __METHOD__ ); - } - $dbw->query( "DROP TABLE $acchitsTable", __METHOD__ ); - - ignore_user_abort( $old_user_abort ); - wfProfileOut( __METHOD__ . '-collect' ); - } -} |