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Diffstat (limited to 'maintenance/nukeNS.php')
-rw-r--r-- | maintenance/nukeNS.php | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/maintenance/nukeNS.php b/maintenance/nukeNS.php new file mode 100644 index 00000000..8e280b20 --- /dev/null +++ b/maintenance/nukeNS.php @@ -0,0 +1,108 @@ +<?php + +/** + * Remove pages with only 1 revision from the MediaWiki namespace, without + * flooding recent changes, delete logs, etc. + * Irreversible (can't use standard undelete) and does not update link tables + * + * This is mainly useful to run before maintenance/update.php when upgrading + * to 1.9, to prevent flooding recent changes/deletion logs. It's intended + * to be conservative, so it's possible that a few entries will be left for + * deletion by the upgrade script. It's also possible that it hasn't been + * tested thouroughly enough, and will delete something it shouldn't; so + * back up your DB if there's anything in the MediaWiki that is important to + * you. + * + * @addtogroup Maintenance + * @author Steve Sanbeg + * based on nukePage by Rob Church + */ + +require_once( 'commandLine.inc' ); +require_once( 'nukePage.inc' ); + +$ns = NS_MEDIAWIKI; +$delete = false; + +if (isset($options['ns'])) +{ + $ns = $options['ns']; +} + +if (isset( $options['delete'] ) and $options['delete']) +{ + $delete = true; +} + + +NukeNS( $ns, $delete); + +function NukeNS($ns_no, $delete) { + + $dbw = wfGetDB( DB_MASTER ); + $dbw->begin(); + + $tbl_pag = $dbw->tableName( 'page' ); + $tbl_rev = $dbw->tableName( 'revision' ); + $res = $dbw->query( "SELECT page_title FROM $tbl_pag WHERE page_namespace = $ns_no" ); + + $n_deleted = 0; + + while( $row = $dbw->fetchObject( $res ) ) { + //echo "$ns_name:".$row->page_title, "\n"; + $title = Title::newFromText($row->page_title, $ns_no); + $id = $title->getArticleID(); + + // Get corresponding revisions + $res2 = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_page = $id" ); + $revs = array(); + + while( $row2 = $dbw->fetchObject( $res2 ) ) { + $revs[] = $row2->rev_id; + } + $count = count( $revs ); + + //skip anything that looks modified (i.e. multiple revs) + if (($count == 1)) { + #echo $title->getPrefixedText(), "\t", $count, "\n"; + echo "delete: ", $title->getPrefixedText(), "\n"; + + //as much as I hate to cut & paste this, it's a little different, and + //I already have the id & revs + + if( $delete ) { + $dbw->query( "DELETE FROM $tbl_pag WHERE page_id = $id" ); + $dbw->commit(); + // Delete revisions as appropriate + DeleteRevisions( $revs ); + PurgeRedundantText( true ); + $n_deleted ++; + } + } else { + echo "skip: ", $title->getPrefixedText(), "\n"; + } + + + } + $dbw->commit(); + + if ($n_deleted > 0) { + #update statistics - better to decrement existing count, or just count + #the page table? + $pages = $dbw->selectField('site_stats', 'ss_total_pages'); + $pages -= $n_deleted; + $dbw->update( 'site_stats', + array('ss_total_pages' => $pages ), + array( 'ss_row_id' => 1), + __METHOD__ ); + + } + + if (!$delete) { + echo( "To update the database, run the script with the --delete option.\n" ); + } + +} + + +?>
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