| Index: branches/wmf/1.18wmf1/extensions/CheckUser/maintenance/purgeOldData.php |
| — | — | @@ -0,0 +1,69 @@ |
| | 2 | +<?php |
| | 3 | +if ( getenv( 'MW_INSTALL_PATH' ) ) { |
| | 4 | + $IP = getenv( 'MW_INSTALL_PATH' ); |
| | 5 | +} else { |
| | 6 | + $IP = dirname(__FILE__).'/../../..'; |
| | 7 | +} |
| | 8 | +require_once( "$IP/maintenance/Maintenance.php" ); |
| | 9 | + |
| | 10 | +class PurgeOldIPAddressData extends Maintenance { |
| | 11 | + public function __construct() { |
| | 12 | + parent::__construct(); |
| | 13 | + $this->mDescription = "Purge expired rows in CheckUser and RecentChanges"; |
| | 14 | + $this->setBatchSize( 200 ); |
| | 15 | + } |
| | 16 | + |
| | 17 | + public function execute() { |
| | 18 | + global $wgCUDMaxAge, $wgRCMaxAge, $wgPutIPinRC; |
| | 19 | + |
| | 20 | + $this->output( "Purging data from cu_changes..." ); |
| | 21 | + $count = $this->prune( 'cu_changes', 'cuc_timestamp', $wgCUDMaxAge ); |
| | 22 | + $this->output( $count . " rows.\n" ); |
| | 23 | + |
| | 24 | + if ( $wgPutIPinRC ) { |
| | 25 | + $this->output( "Purging data from recentchanges..." ); |
| | 26 | + $count = $this->prune( 'recentchanges', 'rc_timestamp', $wgRCMaxAge ); |
| | 27 | + $this->output( $count . " rows.\n" ); |
| | 28 | + } |
| | 29 | + |
| | 30 | + $this->output( "Done.\n" ); |
| | 31 | + } |
| | 32 | + |
| | 33 | + protected function prune( $table, $ts_column, $maxAge ) { |
| | 34 | + $dbw = wfGetDB( DB_MASTER ); |
| | 35 | + |
| | 36 | + $expiredCond = "$ts_column < " . $dbw->addQuotes( $dbw->timestamp( time() - $maxAge ) ); |
| | 37 | + |
| | 38 | + $count = 0; |
| | 39 | + while ( true ) { |
| | 40 | + // Get the first $this->mBatchSize (or less) items |
| | 41 | + $res = $dbw->select( $table, $ts_column, |
| | 42 | + $expiredCond, |
| | 43 | + __METHOD__, |
| | 44 | + array( 'ORDER BY' => "$ts_column ASC", 'LIMIT' => $this->mBatchSize ) |
| | 45 | + ); |
| | 46 | + if ( !$res->numRows() ) { |
| | 47 | + break; // all cleared |
| | 48 | + } |
| | 49 | + // Record the start and end timestamp for the set |
| | 50 | + $blockStart = $res->fetchObject()->$ts_column; |
| | 51 | + $res->seek( $res->numRows() - 1 ); |
| | 52 | + $blockEnd = $res->fetchObject()->$ts_column; |
| | 53 | + $res->free(); |
| | 54 | + |
| | 55 | + // Do the actual delete... |
| | 56 | + $dbw->begin(); |
| | 57 | + $dbw->delete( $table, |
| | 58 | + array( "$ts_column BETWEEN $blockStart AND $blockEnd" ), __METHOD__ ); |
| | 59 | + $count += $dbw->affectedRows(); |
| | 60 | + $dbw->commit(); |
| | 61 | + |
| | 62 | + wfWaitForSlaves(); |
| | 63 | + } |
| | 64 | + |
| | 65 | + return $count; |
| | 66 | + } |
| | 67 | +} |
| | 68 | + |
| | 69 | +$maintClass = "PurgeOldIPAddressData"; |
| | 70 | +require_once( RUN_MAINTENANCE_IF_MAIN ); |
| Property changes on: branches/wmf/1.18wmf1/extensions/CheckUser/maintenance/purgeOldData.php |
| ___________________________________________________________________ |
| Added: svn:eol-style |
| 1 | 71 | + native |
| Property changes on: branches/wmf/1.18wmf1/extensions/CheckUser/maintenance |
| ___________________________________________________________________ |
| Added: bugtraq:number |
| 2 | 72 | + true |
| Index: branches/wmf/1.18wmf1/extensions/CheckUser/CheckUser.hooks.php |
| — | — | @@ -60,11 +60,8 @@ |
| 61 | 61 | |
| 62 | 62 | # Every 100th edit, prune the checkuser changes table. |
| 63 | 63 | if ( 0 == mt_rand( 0, 99 ) ) { |
| 64 | | - # Periodically flush old entries from the recentchanges table. |
| 65 | | - $cutoff = $dbw->timestamp( time() - $wgCUDMaxAge ); |
| 66 | | - $recentchanges = $dbw->tableName( 'cu_changes' ); |
| 67 | | - $sql = "DELETE FROM $recentchanges WHERE cuc_timestamp < '{$cutoff}'"; |
| 68 | | - $dbw->query( $sql, __METHOD__ ); |
| | 64 | + $encCutoff = $dbw->addQuotes( $dbw->timestamp( time() - $wgCUDMaxAge ) ); |
| | 65 | + $dbw->delete( 'cu_changes', array( "cuc_timestamp < $encCutoff" ), __METHOD__ ); |
| 69 | 66 | } |
| 70 | 67 | |
| 71 | 68 | return true; |