MediaWiki REL1_32
resolveStubs.php
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1<?php
25if ( !defined( 'MEDIAWIKI' ) ) {
26 $optionsWithArgs = [ 'm' ];
27
28 require_once __DIR__ . '/../commandLine.inc';
29
31}
32
37function resolveStubs() {
38 $fname = 'resolveStubs';
39
41 $maxID = $dbr->selectField( 'text', 'MAX(old_id)', '', $fname );
42 $blockSize = 10000;
43 $numBlocks = intval( $maxID / $blockSize ) + 1;
44
45 for ( $b = 0; $b < $numBlocks; $b++ ) {
47
48 printf( "%5.2f%%\n", $b / $numBlocks * 100 );
49 $start = intval( $maxID / $numBlocks ) * $b + 1;
50 $end = intval( $maxID / $numBlocks ) * ( $b + 1 );
51
52 $res = $dbr->select( 'text', [ 'old_id', 'old_text', 'old_flags' ],
53 "old_id>=$start AND old_id<=$end " .
54 "AND old_flags LIKE '%object%' AND old_flags NOT LIKE '%external%' " .
55 'AND LOWER(CONVERT(LEFT(old_text,22) USING latin1)) = \'o:15:"historyblobstub"\'',
56 $fname );
57 foreach ( $res as $row ) {
58 resolveStub( $row->old_id, $row->old_text, $row->old_flags );
59 }
60 }
61 print "100%\n";
62}
63
70function resolveStub( $id, $stubText, $flags ) {
71 $fname = 'resolveStub';
72
73 $stub = unserialize( $stubText );
74 $flags = explode( ',', $flags );
75
77 $dbw = wfGetDB( DB_MASTER );
78
79 if ( strtolower( get_class( $stub ) ) !== 'historyblobstub' ) {
80 print "Error found object of class " . get_class( $stub ) . ", expecting historyblobstub\n";
81
82 return;
83 }
84
85 # Get the (maybe) external row
86 $externalRow = $dbr->selectRow(
87 'text',
88 [ 'old_text' ],
89 [
90 'old_id' => $stub->mOldId,
91 'old_flags' . $dbr->buildLike( $dbr->anyString(), 'external', $dbr->anyString() )
92 ],
93 $fname
94 );
95
96 if ( !$externalRow ) {
97 # Object wasn't external
98 return;
99 }
100
101 # Preserve the legacy encoding flag, but switch from object to external
102 if ( in_array( 'utf-8', $flags ) ) {
103 $newFlags = 'external,utf-8';
104 } else {
105 $newFlags = 'external';
106 }
107
108 # Update the row
109 # print "oldid=$id\n";
110 $dbw->update( 'text',
111 [ /* SET */
112 'old_flags' => $newFlags,
113 'old_text' => $externalRow->old_text . '/' . $stub->mHash
114 ],
115 [ /* WHERE */
116 'old_id' => $id
117 ], $fname
118 );
119}
unserialize( $serialized)
wfWaitForSlaves( $ifWritesSince=null, $wiki=false, $cluster=false, $timeout=null)
Waits for the replica DBs to catch up to the master position.
wfGetDB( $db, $groups=[], $wiki=false)
Get a Database object.
if(defined( 'MW_SETUP_CALLBACK')) $fname
Customization point after all loading (constants, functions, classes, DefaultSettings,...
Definition Setup.php:121
global $optionsWithArgs
$res
Definition database.txt:21
while(( $__line=Maintenance::readconsole()) !==false) print
Definition eval.php:64
const DB_REPLICA
Definition defines.php:25
const DB_MASTER
Definition defines.php:26
resolveStub( $id, $stubText, $flags)
Resolve a history stub.
if(!defined('MEDIAWIKI')) resolveStubs()
Convert history stubs that point to an external row to direct external pointers.