--- /dev/null
+<?php
+
+define( 'REPORTING_INTERVAL', 100 );
+
+if ( !defined( 'MEDIAWIKI' ) ) {
+ $optionsWithArgs = array( 'm' );
+
+ require_once( '../commandLine.inc' );
+ require_once( 'includes/ExternalStoreDB.php' );
+
+ resolveStubs();
+}
+
+/**
+ * Convert history stubs that point to an external row to direct
+ * external pointers
+ */
+function resolveStubs() {
+ $fname = 'resolveStubs';
+
+ print "Retrieving stub rows...\n";
+ $dbr =& wfGetDB( DB_SLAVE );
+ $maxID = $dbr->selectField( 'text', 'MAX(old_id)', false, $fname );
+ $stubs = array();
+ $flagsArray = array();
+
+ # Do it in 100 blocks
+ for ( $b = 0; $b < 100; $b++ ) {
+ print "$b%\r";
+ $start = intval($maxID / 100) * $b + 1;
+ $end = intval($maxID / 100) * ($b + 1);
+
+ $res = $dbr->select( 'text', array( 'old_id', 'old_text', 'old_flags' ),
+ "old_id>=$start AND old_id<=$end AND old_flags like '%object%' ".
+ "AND old_text LIKE 'O:15:\"historyblobstub\"%'", $fname );
+ while ( $row = $dbr->fetchObject( $res ) ) {
+ $stubs[$row->old_id] = $row->old_text;
+ $flagsArray[$row->old_id] = $row->old_flags;
+ }
+ $dbr->freeResult( $res );
+ }
+ print "100%\n";
+
+ print "\nConverting " . count( $stubs ) . " rows ...\n";
+
+ # Get master database, no transactions
+ $dbw =& wfGetDB( DB_MASTER );
+ $dbw->clearFlag( DBO_TRX );
+ $dbw->immediateCommit();
+
+ $i = 0;
+ foreach( $stubs as $id => $stub ) {
+ if ( !(++$i % REPORTING_INTERVAL) ) {
+ print "$i\n";
+ wfWaitForSlaves( 5 );
+ }
+
+ $stub = unserialize( $stub );
+ if ( get_class( $stub ) !== 'historyblobstub' ) {
+ print "Error, invalid stub object\n";
+ return;
+ }
+
+ # Get the (maybe) external row
+ $externalRow = $dbr->selectRow( 'text', array( 'old_text' ),
+ array( 'old_id' => $stub->mOldId, "old_flags LIKE '%external%'" ),
+ $fname
+ );
+
+ if ( !$externalRow ) {
+ # Object wasn't external
+ continue;
+ }
+
+ # Preserve the legacy encoding flag, but switch from object to external
+ $flags = explode( ',', $flagsArray[$id] );
+ if ( in_array( 'utf-8', $flags ) ) {
+ $newFlags = 'external,utf-8';
+ } else {
+ $newFlags = 'external';
+ }
+
+ # Update the row
+ $dbw->update( 'text',
+ array( /* SET */
+ 'old_flags' => $newFlags,
+ 'old_text' => $externalRow->old_text . '/' . $stub->mHash
+ ),
+ array( /* WHERE */
+ 'old_id' => $id
+ ), $fname
+ );
+ }
+}
+
+?>