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| 1 | <?php |
| 2 | /** |
| 3 | * Upgrade script to populate the rc_source field |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 18 | * http://www.gnu.org/copyleft/gpl.html |
| 19 | * |
| 20 | * @file |
| 21 | * @ingroup Maintenance |
| 22 | */ |
| 23 | |
| 24 | require_once __DIR__ . '/Maintenance.php'; |
| 25 | |
| 26 | use Wikimedia\Rdbms\IDatabase; |
| 27 | |
| 28 | /** |
| 29 | * Maintenance script to populate the rc_source field. |
| 30 | * |
| 31 | * @ingroup Maintenance |
| 32 | * @since 1.22 |
| 33 | */ |
| 34 | class PopulateRecentChangesSource extends LoggedUpdateMaintenance { |
| 35 | public function __construct() { |
| 36 | parent::__construct(); |
| 37 | $this->addDescription( |
| 38 | 'Populates rc_source field of the recentchanges table with the data in rc_type.' ); |
| 39 | $this->setBatchSize( 100 ); |
| 40 | } |
| 41 | |
| 42 | protected function doDBUpdates() { |
| 43 | $dbw = $this->getDB( DB_PRIMARY ); |
| 44 | $batchSize = $this->getBatchSize(); |
| 45 | if ( !$dbw->fieldExists( 'recentchanges', 'rc_source', __METHOD__ ) ) { |
| 46 | $this->error( 'rc_source field in recentchanges table does not exist.' ); |
| 47 | } |
| 48 | |
| 49 | $start = $dbw->newSelectQueryBuilder() |
| 50 | ->select( 'MIN(rc_id)' ) |
| 51 | ->from( 'recentchanges' ) |
| 52 | ->caller( __METHOD__ )->fetchField(); |
| 53 | if ( !$start ) { |
| 54 | $this->output( "Nothing to do.\n" ); |
| 55 | |
| 56 | return true; |
| 57 | } |
| 58 | $end = $dbw->newSelectQueryBuilder() |
| 59 | ->select( 'MAX(rc_id)' ) |
| 60 | ->from( 'recentchanges' ) |
| 61 | ->caller( __METHOD__ )->fetchField(); |
| 62 | $end += $batchSize - 1; |
| 63 | $blockStart = $start; |
| 64 | $blockEnd = $start + $batchSize - 1; |
| 65 | |
| 66 | $updatedValues = $this->buildUpdateCondition( $dbw ); |
| 67 | |
| 68 | while ( $blockEnd <= $end ) { |
| 69 | $dbw->newUpdateQueryBuilder() |
| 70 | ->update( 'recentchanges' ) |
| 71 | ->set( [ $updatedValues ] ) |
| 72 | ->where( [ |
| 73 | 'rc_source' => '', |
| 74 | $dbw->expr( 'rc_id', '>=', (int)$blockStart ), |
| 75 | $dbw->expr( 'rc_id', '<=', (int)$blockEnd ), |
| 76 | ] ) |
| 77 | ->caller( __METHOD__ ) |
| 78 | ->execute(); |
| 79 | |
| 80 | $this->output( "." ); |
| 81 | $this->waitForReplication(); |
| 82 | |
| 83 | $blockStart += $batchSize; |
| 84 | $blockEnd += $batchSize; |
| 85 | } |
| 86 | |
| 87 | $this->output( "\nDone.\n" ); |
| 88 | } |
| 89 | |
| 90 | protected function getUpdateKey() { |
| 91 | return __CLASS__; |
| 92 | } |
| 93 | |
| 94 | protected function buildUpdateCondition( IDatabase $dbw ) { |
| 95 | $rcNew = $dbw->addQuotes( RC_NEW ); |
| 96 | $rcSrcNew = $dbw->addQuotes( RecentChange::SRC_NEW ); |
| 97 | $rcEdit = $dbw->addQuotes( RC_EDIT ); |
| 98 | $rcSrcEdit = $dbw->addQuotes( RecentChange::SRC_EDIT ); |
| 99 | $rcLog = $dbw->addQuotes( RC_LOG ); |
| 100 | $rcSrcLog = $dbw->addQuotes( RecentChange::SRC_LOG ); |
| 101 | $rcExternal = $dbw->addQuotes( RC_EXTERNAL ); |
| 102 | $rcSrcExternal = $dbw->addQuotes( RecentChange::SRC_EXTERNAL ); |
| 103 | |
| 104 | return "rc_source = CASE |
| 105 | WHEN rc_type = $rcNew THEN $rcSrcNew |
| 106 | WHEN rc_type = $rcEdit THEN $rcSrcEdit |
| 107 | WHEN rc_type = $rcLog THEN $rcSrcLog |
| 108 | WHEN rc_type = $rcExternal THEN $rcSrcExternal |
| 109 | ELSE '' |
| 110 | END"; |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | $maintClass = PopulateRecentChangesSource::class; |
| 115 | require_once RUN_MAINTENANCE_IF_MAIN; |