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| 1 | <?php |
| 2 | |
| 3 | namespace Flow\Maintenance; |
| 4 | |
| 5 | use Flow\Container; |
| 6 | use Flow\DbFactory; |
| 7 | use LoggedUpdateMaintenance; |
| 8 | use Wikimedia\Rdbms\IDatabase; |
| 9 | |
| 10 | $IP = getenv( 'MW_INSTALL_PATH' ); |
| 11 | if ( $IP === false ) { |
| 12 | $IP = __DIR__ . '/../../..'; |
| 13 | } |
| 14 | |
| 15 | require_once "$IP/maintenance/Maintenance.php"; |
| 16 | |
| 17 | /** |
| 18 | * Update flow_revision.rev_type_id |
| 19 | * |
| 20 | * @ingroup Maintenance |
| 21 | */ |
| 22 | class FlowUpdateRevisionTypeId extends LoggedUpdateMaintenance { |
| 23 | |
| 24 | public function __construct() { |
| 25 | parent::__construct(); |
| 26 | $this->addDescription( "Update flow_revision.rev_type_id" ); |
| 27 | $this->requireExtension( 'Flow' ); |
| 28 | $this->setBatchSize( 300 ); |
| 29 | } |
| 30 | |
| 31 | protected function doDBUpdates() { |
| 32 | $revId = ''; |
| 33 | $batchSize = $this->getBatchSize(); |
| 34 | $count = $this->getBatchSize(); |
| 35 | /** @var DbFactory $dbFactory */ |
| 36 | $dbFactory = Container::get( 'db.factory' ); |
| 37 | $dbr = $dbFactory->getDB( DB_REPLICA ); |
| 38 | $dbw = $dbFactory->getDB( DB_PRIMARY ); |
| 39 | |
| 40 | // If table flow_header_revision does not exist, that means the wiki |
| 41 | // has run the data migration before or the wiki starts from scratch, |
| 42 | // there is no point to run the script against invalid tables |
| 43 | if ( !$dbr->tableExists( 'flow_header_revision', __METHOD__ ) ) { |
| 44 | return true; |
| 45 | } |
| 46 | |
| 47 | while ( $count == $batchSize ) { |
| 48 | $count = 0; |
| 49 | $res = $dbr->select( |
| 50 | [ 'flow_revision', 'flow_tree_revision', 'flow_header_revision' ], |
| 51 | [ 'rev_id', 'rev_type', 'tree_rev_descendant_id', 'header_workflow_id' ], |
| 52 | [ 'rev_id > ' . $dbr->addQuotes( $revId ) ], |
| 53 | __METHOD__, |
| 54 | [ 'ORDER BY' => 'rev_id ASC', 'LIMIT' => $batchSize ], |
| 55 | [ |
| 56 | 'flow_tree_revision' => [ 'LEFT JOIN', 'rev_id=tree_rev_id' ], |
| 57 | 'flow_header_revision' => [ 'LEFT JOIN', 'rev_id=header_rev_id' ] |
| 58 | ] |
| 59 | ); |
| 60 | |
| 61 | foreach ( $res as $row ) { |
| 62 | $count++; |
| 63 | $revId = $row->rev_id; |
| 64 | switch ( $row->rev_type ) { |
| 65 | case 'header': |
| 66 | $this->updateRevision( $dbw, $row->rev_id, $row->header_workflow_id ); |
| 67 | break; |
| 68 | case 'post': |
| 69 | $this->updateRevision( $dbw, $row->rev_id, $row->tree_rev_descendant_id ); |
| 70 | break; |
| 71 | } |
| 72 | } |
| 73 | $dbFactory->waitForReplicas(); |
| 74 | } |
| 75 | |
| 76 | $dbw->dropTable( 'flow_header_revision', __METHOD__ ); |
| 77 | |
| 78 | return true; |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * @param IDatabase $dbw |
| 83 | * @param int $revId |
| 84 | * @param string $revTypeId |
| 85 | */ |
| 86 | private function updateRevision( $dbw, $revId, $revTypeId ) { |
| 87 | if ( $revTypeId === null ) { |
| 88 | // this shouldn't actually be happening, but if it is, ignoring it |
| 89 | // will not make things worse - the revision is lost already |
| 90 | return; |
| 91 | } |
| 92 | |
| 93 | $dbw->newUpdateQueryBuilder() |
| 94 | ->update( 'flow_revision' ) |
| 95 | ->set( [ 'rev_type_id' => $revTypeId ] ) |
| 96 | ->where( [ 'rev_id' => $revId ] ) |
| 97 | ->caller( __METHOD__ ) |
| 98 | ->execute(); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Get the update key name to go in the update log table |
| 103 | * |
| 104 | * @return string |
| 105 | */ |
| 106 | protected function getUpdateKey() { |
| 107 | return 'FlowUpdateRevisionTypeId'; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | $maintClass = FlowUpdateRevisionTypeId::class; |
| 112 | require_once RUN_MAINTENANCE_IF_MAIN; |