JOIN files ON files.id=dsc_files.file
JOIN files_archive_map ON files.id = files_archive_map.file_id
JOIN component ON files_archive_map.component_id = component.id
JOIN files ON files.id=dsc_files.file
JOIN files_archive_map ON files.id = files_archive_map.file_id
JOIN component ON files_archive_map.component_id = component.id