MediaWiki 1.11.0

[autoinstallsdev/mediawiki.git] / maintenance / deleteOrphanedRevisions.php

diff --git a/maintenance/deleteOrphanedRevisions.php b/maintenance/deleteOrphanedRevisions.php
new file mode 100644 (file)
index 0000000..0842018
--- /dev/null
+++ b/maintenance/deleteOrphanedRevisions.php
@@ -0,0 +1,53 @@
+<?php
+
+/**
+ * Maintenance script to delete revisions which refer to a nonexisting page
+ * Sometimes manual deletion done in a rush leaves crap in the database
+ *
+ * @addtogroup Maintenance
+ * @author Rob Church <robchur@gmail.com>
+ * @todo More efficient cleanup of text records
+ */
+ 
+$options = array( 'report', 'help' );
+require_once( 'commandLine.inc' );
+require_once( 'deleteOrphanedRevisions.inc.php' );
+echo( "Delete Orphaned Revisions\n" );
+
+if( isset( $options['help'] ) )
+       showUsage();
+
+$report = isset( $options['report'] );
+
+$dbw = wfGetDB( DB_MASTER );
+$dbw->immediateBegin();
+extract( $dbw->tableNames( 'page', 'revision' ) );
+
+# Find all the orphaned revisions
+echo( "Checking for orphaned revisions..." );
+$sql = "SELECT rev_id FROM {$revision} LEFT JOIN {$page} ON rev_page = page_id WHERE page_namespace IS NULL";
+$res = $dbw->query( $sql, 'deleteOrphanedRevisions' );
+
+# Stash 'em all up for deletion (if needed)
+while( $row = $dbw->fetchObject( $res ) )
+       $revisions[] = $row->rev_id;
+$dbw->freeResult( $res );
+$count = count( $revisions );
+echo( "found {$count}.\n" );
+
+# Nothing to do?
+if( $report || $count == 0 ) {
+       $dbw->immediateCommit();
+       exit();
+}
+
+# Delete each revision
+echo( "Deleting..." );
+deleteRevisions( $revisions, $dbw );
+echo( "done.\n" );
+
+# Close the transaction and call the script to purge unused text records
+$dbw->immediateCommit();
+require_once( 'purgeOldText.inc' );
+PurgeRedundantText( true );
+