X-Git-Url: http://git.cyclocoop.org/?a=blobdiff_plain;f=maintenance%2FdeleteOldRevisions.php;h=2cb347fcb928a3a1137f61dfde6a7e3d30a6ed20;hb=d636fac2d8416fa8dcd5610bd2c932ab6bc147e1;hp=404f135394df581ff5ab30cc22f84b60f639bf36;hpb=c771fc9c96aacb44b86ade5ecca68334c5d8213f;p=lhc%2Fweb%2Fwiklou.git

diff --git a/maintenance/deleteOldRevisions.php b/maintenance/deleteOldRevisions.php
index 404f135394..2cb347fcb9 100644
--- a/maintenance/deleteOldRevisions.php
+++ b/maintenance/deleteOldRevisions.php
@@ -3,27 +3,100 @@
 /**
  * Delete old (non-current) revisions from the database
  *
- * @addtogroup Maintenance
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @ingroup Maintenance
  * @author Rob Church <robchur@gmail.com>
  */
 
-$options = array( 'delete', 'help' );
-require_once( 'commandLine.inc' );
-require_once( 'deleteOldRevisions.inc' );
+require_once( dirname( __FILE__ ) . '/Maintenance.php' );
 
-echo( "Delete Old Revisions\n\n" );
+class DeleteOldRevisions extends Maintenance {
+	public function __construct() {
+		parent::__construct();
+		$this->mDescription = "Delete old (non-current) revisions from the database";
+		$this->addOption( 'delete', 'Actually perform the deletion' );
+		$this->addOption( 'page_id', 'List of page ids to work on', false );
+	}
 
-if( @$options['help'] ) {
-	ShowUsage();
-} else {
-	DeleteOldRevisions( @$options['delete'] );
-}
+	public function execute() {
+		$this->output( "Delete old revisions\n\n" );
+		$this->doDelete( $this->hasOption( 'delete' ), $this->mArgs );
+	}
+
+	function doDelete( $delete = false, $args = array() ) {
+
+		# Data should come off the master, wrapped in a transaction
+		$dbw = wfGetDB( DB_MASTER );
+		$dbw->begin();
+
+		$tbl_pag = $dbw->tableName( 'page' );
+		$tbl_rev = $dbw->tableName( 'revision' );
 
-function ShowUsage() {
-	echo( "Deletes non-current revisions from the database.\n\n" );
-	echo( "Usage: php deleteOldRevisions.php [--delete|--help]\n\n" );
-	echo( "delete : Performs the deletion\n" );
-	echo( "  help : Show this usage information\n" );
+		$pageIdClause = '';
+		$revPageClause = '';
+
+		# If a list of page_ids was provided, limit results to that set of page_ids
+		if ( sizeof( $args ) > 0 ) {
+			$pageIdList = implode( ',', $args );
+			$pageIdClause = " WHERE page_id IN ({$pageIdList})";
+			$revPageClause = " AND rev_page IN ({$pageIdList})";
+			$this->output( "Limiting to {$tbl_pag}.page_id IN ({$pageIdList})\n" );
+		}
+
+		# Get "active" revisions from the page table
+		$this->output( "Searching for active revisions..." );
+		$res = $dbw->query( "SELECT page_latest FROM $tbl_pag{$pageIdClause}" );
+		$cur = array();
+		foreach ( $res as $row ) {
+			$cur[] = $row->page_latest;
+		}
+		$this->output( "done.\n" );
+
+		# Get all revisions that aren't in this set
+		$old = array();
+		$this->output( "Searching for inactive revisions..." );
+		$set = implode( ', ', $cur );
+		$res = $dbw->query( "SELECT rev_id FROM $tbl_rev WHERE rev_id NOT IN ( $set ){$revPageClause}" );
+		foreach ( $res as $row ) {
+			$old[] = $row->rev_id;
+		}
+		$this->output( "done.\n" );
+
+		# Inform the user of what we're going to do
+		$count = count( $old );
+		$this->output( "$count old revisions found.\n" );
+
+		# Delete as appropriate
+		if ( $delete && $count ) {
+			$this->output( "Deleting..." );
+			$set = implode( ', ', $old );
+			$dbw->query( "DELETE FROM $tbl_rev WHERE rev_id IN ( $set )" );
+			$this->output( "done.\n" );
+		}
+
+		# This bit's done
+		# Purge redundant text records
+		$dbw->commit();
+		if ( $delete ) {
+			$this->purgeRedundantText( true );
+		}
+	}
 }
 
-?>
\ No newline at end of file
+$maintClass = "DeleteOldRevisions";
+require_once( RUN_MAINTENANCE_IF_MAIN );
+