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110 |
1 | <?php |
2 | |
3 | require_once __DIR__ . '/Maintenance.php'; |
4 | |
5 | /** |
6 | * Maintenance script that merges the revision_actor_temp table into the |
7 | * revision table. |
8 | * |
9 | * @ingroup Maintenance |
10 | * @since 1.37 |
11 | */ |
12 | class MigrateRevisionActorTemp extends LoggedUpdateMaintenance { |
13 | public function __construct() { |
14 | parent::__construct(); |
15 | $this->addDescription( |
16 | 'Copy the data from the revision_actor_temp into the revision table' |
17 | ); |
18 | $this->addOption( |
19 | 'sleep', |
20 | 'Sleep time (in seconds) between every batch. Default: 0', |
21 | false, |
22 | true |
23 | ); |
24 | $this->addOption( 'start', 'Start after this rev_id', false, true ); |
25 | } |
26 | |
27 | protected function getUpdateKey() { |
28 | return __CLASS__; |
29 | } |
30 | |
31 | protected function doDBUpdates() { |
32 | $batchSize = $this->getBatchSize(); |
33 | |
34 | $dbw = $this->getDB( DB_PRIMARY ); |
35 | if ( !$dbw->fieldExists( 'revision', 'rev_actor', __METHOD__ ) ) { |
36 | $this->output( "Run update.php to create rev_actor.\n" ); |
37 | return false; |
38 | } |
39 | if ( !$dbw->tableExists( 'revision_actor_temp', __METHOD__ ) ) { |
40 | $this->output( "revision_actor_temp does not exist, so nothing to do.\n" ); |
41 | return true; |
42 | } |
43 | |
44 | $this->output( "Merging the revision_actor_temp table into the revision table...\n" ); |
45 | $conds = []; |
46 | $updated = 0; |
47 | $start = (int)$this->getOption( 'start', 0 ); |
48 | if ( $start > 0 ) { |
49 | $conds[] = $dbw->expr( 'rev_id', '>=', $start ); |
50 | } |
51 | while ( true ) { |
52 | $res = $dbw->newSelectQueryBuilder() |
53 | ->select( [ 'rev_id', 'rev_actor', 'revactor_actor' ] ) |
54 | ->from( 'revision' ) |
55 | ->join( 'revision_actor_temp', null, 'rev_id=revactor_rev' ) |
56 | ->where( $conds ) |
57 | ->limit( $batchSize ) |
58 | ->orderBy( 'rev_id' ) |
59 | ->caller( __METHOD__ ) |
60 | ->fetchResultSet(); |
61 | |
62 | $numRows = $res->numRows(); |
63 | |
64 | $last = null; |
65 | foreach ( $res as $row ) { |
66 | $last = $row->rev_id; |
67 | if ( !$row->rev_actor ) { |
68 | $dbw->newUpdateQueryBuilder() |
69 | ->update( 'revision' ) |
70 | ->set( [ 'rev_actor' => $row->revactor_actor ] ) |
71 | ->where( [ 'rev_id' => $row->rev_id ] ) |
72 | ->caller( __METHOD__ )->execute(); |
73 | $updated += $dbw->affectedRows(); |
74 | } elseif ( $row->rev_actor !== $row->revactor_actor ) { |
75 | $this->error( |
76 | "Revision ID $row->rev_id has rev_actor = $row->rev_actor and " |
77 | . "revactor_actor = $row->revactor_actor. Ignoring the latter." |
78 | ); |
79 | } |
80 | } |
81 | |
82 | if ( $numRows < $batchSize ) { |
83 | // We must have reached the end |
84 | break; |
85 | } |
86 | |
87 | // @phan-suppress-next-line PhanTypeSuspiciousStringExpression last is not-null when used |
88 | $this->output( "... rev_id=$last, updated $updated\n" ); |
89 | $conds = [ $dbw->expr( 'rev_id', '>', $last ) ]; |
90 | |
91 | // Sleep between batches for replication to catch up |
92 | $this->waitForReplication(); |
93 | $sleep = (int)$this->getOption( 'sleep', 0 ); |
94 | if ( $sleep > 0 ) { |
95 | sleep( $sleep ); |
96 | } |
97 | } |
98 | |
99 | $this->output( |
100 | "Completed merge of revision_actor into the revision table, " |
101 | . "$updated rows updated.\n" |
102 | ); |
103 | |
104 | return true; |
105 | } |
106 | |
107 | } |
108 | |
109 | $maintClass = MigrateRevisionActorTemp::class; |
110 | require_once RUN_MAINTENANCE_IF_MAIN; |