4 * @ingroup Maintenance ExternalStorage
7 define( 'REPORTING_INTERVAL', 100 );
9 if ( !defined( 'MEDIAWIKI' ) ) {
10 $optionsWithArgs = array( 'm' );
12 require_once( dirname(__FILE__
) . '/../commandLine.inc' );
18 * Convert history stubs that point to an external row to direct
21 function resolveStubs() {
22 $fname = 'resolveStubs';
24 $dbr = wfGetDB( DB_SLAVE
);
25 $maxID = $dbr->selectField( 'text', 'MAX(old_id)', false, $fname );
27 $numBlocks = intval( $maxID / $blockSize ) +
1;
29 for ( $b = 0; $b < $numBlocks; $b++
) {
32 printf( "%5.2f%%\n", $b / $numBlocks * 100 );
33 $start = intval($maxID / $numBlocks) * $b +
1;
34 $end = intval($maxID / $numBlocks) * ($b +
1);
36 $res = $dbr->select( 'text', array( 'old_id', 'old_text', 'old_flags' ),
37 "old_id>=$start AND old_id<=$end " .
38 # Using a more restrictive flag set for now, until I do some more analysis -- TS
39 #"AND old_flags LIKE '%object%' AND old_flags NOT LIKE '%external%' ".
41 "AND old_flags='object' " .
42 "AND LOWER(LEFT(old_text,22)) = 'O:15:\"historyblobstub\"'", $fname );
43 while ( $row = $dbr->fetchObject( $res ) ) {
44 resolveStub( $row->old_id
, $row->old_text
, $row->old_flags
);
46 $dbr->freeResult( $res );
54 * Resolve a history stub
56 function resolveStub( $id, $stubText, $flags ) {
57 $fname = 'resolveStub';
59 $stub = unserialize( $stubText );
60 $flags = explode( ',', $flags );
62 $dbr = wfGetDB( DB_SLAVE
);
63 $dbw = wfGetDB( DB_MASTER
);
65 if ( strtolower( get_class( $stub ) ) !== 'historyblobstub' ) {
66 print "Error found object of class " . get_class( $stub ) . ", expecting historyblobstub\n";
70 # Get the (maybe) external row
71 $externalRow = $dbr->selectRow( 'text', array( 'old_text' ),
72 array( 'old_id' => $stub->mOldId
, "old_flags LIKE '%external%'" ),
76 if ( !$externalRow ) {
77 # Object wasn't external
81 # Preserve the legacy encoding flag, but switch from object to external
82 if ( in_array( 'utf-8', $flags ) ) {
83 $newFlags = 'external,utf-8';
85 $newFlags = 'external';
92 'old_flags' => $newFlags,
93 'old_text' => $externalRow->old_text
. '/' . $stub->mHash