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<?php
/**
* Support functions for the deleteOrphanedRevisions maintenance script
*
* @file
* @ingroup Maintenance
* @author Rob Church <robchur@gmail.com>
*/
/**
* Delete one or more revisions from the database
* Do this inside a transaction
*
* @param $id Array of revision id values
* @param $db Database class (needs to be a master)
*/
function deleteRevisions( $id, &$dbw ) {
if( !is_array( $id ) )
$id = array( $id );
$dbw->delete( 'revision', array( 'rev_id' => $id ), 'deleteRevision' );
}
/**
* Spit out script usage information and exit
*/
function showUsage() {
echo( "Finds revisions which refer to nonexisting pages and deletes them from the database\n" );
echo( "USAGE: php deleteOrphanedRevisions.php [--report]\n\n" );
echo( " --report : Prints out a count of affected revisions but doesn't delete them\n\n" );
}