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| 1 | <?php |
| 2 | /** |
| 3 | * @ingroup Maintenance |
| 4 | */ |
| 5 | |
| 6 | use MediaWiki\WikiMap\WikiMap; |
| 7 | |
| 8 | if ( getenv( 'MW_INSTALL_PATH' ) ) { |
| 9 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 10 | } else { |
| 11 | $IP = __DIR__ . '/../../..'; |
| 12 | } |
| 13 | |
| 14 | require_once "$IP/maintenance/Maintenance.php"; |
| 15 | |
| 16 | class PopulateFRRevTimestamp extends Maintenance { |
| 17 | |
| 18 | public function __construct() { |
| 19 | parent::__construct(); |
| 20 | $this->addDescription( 'Populates fr_rev_timestamp column in the flaggedrevs table.' ); |
| 21 | $this->addOption( 'startrev', 'The ID of the starting rev', false, true ); |
| 22 | $this->setBatchSize( 1000 ); |
| 23 | $this->requireExtension( 'FlaggedRevs' ); |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * @inheritDoc |
| 28 | */ |
| 29 | public function execute() { |
| 30 | $startRev = $this->getOption( 'startrev' ); |
| 31 | if ( $startRev === 'prev' ) { |
| 32 | $startRev = file_get_contents( $this->lastPosFile() ); |
| 33 | } |
| 34 | if ( $startRev !== null ) { |
| 35 | $startRev = (int)$startRev; |
| 36 | } |
| 37 | $this->populateFRRevTimestamp( $startRev ); |
| 38 | } |
| 39 | |
| 40 | /** |
| 41 | * @param int|null $start Revision ID |
| 42 | */ |
| 43 | private function populateFRRevTimestamp( $start = null ) { |
| 44 | $this->output( "Populating and correcting flaggedrevs columns from $start\n" ); |
| 45 | |
| 46 | $db = $this->getPrimaryDB(); |
| 47 | |
| 48 | if ( $start === null ) { |
| 49 | $start = $db->newSelectQueryBuilder() |
| 50 | ->select( 'MIN(fr_rev_id)' ) |
| 51 | ->from( 'flaggedrevs' ) |
| 52 | ->caller( __METHOD__ ) |
| 53 | ->fetchField(); |
| 54 | } |
| 55 | $end = $db->newSelectQueryBuilder() |
| 56 | ->select( 'MAX(fr_rev_id)' ) |
| 57 | ->from( 'flaggedrevs' ) |
| 58 | ->caller( __METHOD__ ) |
| 59 | ->fetchField(); |
| 60 | if ( $start === null || $end === null ) { |
| 61 | $this->output( "...flaggedrevs table seems to be empty.\n" ); |
| 62 | return; |
| 63 | } |
| 64 | # Do remaining chunk |
| 65 | $end += $this->mBatchSize - 1; |
| 66 | $blockStart = (int)$start; |
| 67 | $blockEnd = (int)$start + $this->mBatchSize - 1; |
| 68 | $count = 0; |
| 69 | $changed = 0; |
| 70 | |
| 71 | while ( $blockEnd <= $end ) { |
| 72 | $this->output( "...doing fr_rev_id from $blockStart to $blockEnd\n" ); |
| 73 | $res = $db->newSelectQueryBuilder() |
| 74 | ->select( [ 'fr_rev_id', 'rev_timestamp', 'ar_timestamp' ] ) |
| 75 | ->from( 'flaggedrevs' ) |
| 76 | ->leftJoin( 'revision', null, 'rev_id = fr_rev_id' ) |
| 77 | ->leftJoin( 'archive', null, 'ar_rev_id = fr_rev_id' ) // non-unique but OK |
| 78 | ->where( [ |
| 79 | $db->expr( 'fr_rev_id', '>=', $blockStart ), |
| 80 | $db->expr( 'fr_rev_id', '<=', $blockEnd ), |
| 81 | 'fr_rev_timestamp' => '', |
| 82 | ] ) |
| 83 | ->caller( __METHOD__ ) |
| 84 | ->fetchResultSet(); |
| 85 | $db->begin( __METHOD__ ); |
| 86 | # Go through and clean up missing items |
| 87 | foreach ( $res as $row ) { |
| 88 | $timestamp = ''; |
| 89 | if ( $row->rev_timestamp ) { |
| 90 | $timestamp = $row->rev_timestamp; |
| 91 | } elseif ( $row->ar_timestamp ) { |
| 92 | $timestamp = $row->ar_timestamp; |
| 93 | } |
| 94 | if ( $timestamp != '' ) { |
| 95 | # Update the row... |
| 96 | $db->newUpdateQueryBuilder() |
| 97 | ->update( 'flaggedrevs' ) |
| 98 | ->set( [ 'fr_rev_timestamp' => $timestamp ] ) |
| 99 | ->where( [ 'fr_rev_id' => $row->fr_rev_id ] ) |
| 100 | ->caller( __METHOD__ ) |
| 101 | ->execute(); |
| 102 | $changed++; |
| 103 | } |
| 104 | $count++; |
| 105 | } |
| 106 | $db->commit( __METHOD__ ); |
| 107 | $blockStart += $this->mBatchSize; |
| 108 | $blockEnd += $this->mBatchSize; |
| 109 | $this->waitForReplication(); |
| 110 | } |
| 111 | file_put_contents( $this->lastPosFile(), $end ); |
| 112 | $this->output( "fr_rev_timestamp columns update complete ..." . |
| 113 | " {$count} rows [{$changed} changed]\n" ); |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * @return string |
| 118 | */ |
| 119 | private function lastPosFile() { |
| 120 | return __DIR__ . "/popRevTimestampLast-" . WikiMap::getCurrentWikiId(); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | $maintClass = PopulateFRRevTimestamp::class; |
| 125 | require_once RUN_MAINTENANCE_IF_MAIN; |