THEN 'ALTER TABLE ' + OBJECT_SCHEMA_NAME(pstats.object_id) + '.' + OBJECT_NAME(pstats.object_id) + ' REBUILD PARTITION = ' + CONVERT(VARCHAR(5), pstats.partition ...

INNER JOIN sys.indexes AS i ON t.object_id = i.object_id INNER JOIN sys.partitions AS p ON i.object_id = p.object_id AND i.index_id = p.index_id INNER JOIN sys.partition_schemes AS s ON ...