id, dataset_id, file_name, file_path, logical_path, version, file_type, file_size, check_sum, tags, metadata, status, upload_time, last_access_time, created_at, updated_at SELECT FROM t_dm_dataset_files WHERE id = #{id} SELECT FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} ORDER BY upload_time DESC SELECT FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND status = #{status} ORDER BY upload_time DESC SELECT FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND file_type = #{fileType} ORDER BY upload_time DESC SELECT COUNT(*) FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND (status IS NULL OR status <> 'ARCHIVED') SELECT COUNT(*) FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND (status IS NULL OR status <> 'ARCHIVED') AND (metadata IS NULL OR JSON_EXTRACT(metadata, '$.derived_from_file_id') IS NULL) SELECT COUNT(*) FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND status = 'COMPLETED' SELECT COALESCE(SUM(file_size), 0) FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND (status IS NULL OR status <> 'ARCHIVED') SELECT FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND file_name = #{fileName} AND (status IS NULL OR status <> 'ARCHIVED') ORDER BY version DESC, upload_time DESC LIMIT 1 SELECT FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND logical_path = #{logicalPath} ORDER BY version DESC, upload_time DESC SELECT FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} ORDER BY upload_time DESC SELECT FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND file_type = #{fileType} AND status = #{status} ORDER BY upload_time DESC UPDATE t_dm_dataset_files SET file_path = CONCAT(#{newPrefix}, SUBSTRING(file_path, LENGTH(#{oldPrefix}) + 1)) WHERE dataset_id = #{datasetId} AND file_path LIKE CONCAT(#{oldPrefix}, '%') SELECT DISTINCT JSON_UNQUOTE(JSON_EXTRACT(metadata, '$.derived_from_file_id')) AS source_file_id FROM t_dm_dataset_files WHERE dataset_id = #{datasetId} AND metadata IS NOT NULL AND JSON_EXTRACT(metadata, '$.derived_from_file_id') IS NOT NULL SELECT dataset_id AS datasetId, COUNT(*) AS fileCount FROM t_dm_dataset_files WHERE dataset_id IN #{datasetId} AND (status IS NULL OR status <> 'ARCHIVED') AND (metadata IS NULL OR JSON_EXTRACT(metadata, '$.derived_from_file_id') IS NULL) GROUP BY dataset_id