Added 'processed_blocks' and 'total_bocks' fields to track the progress of...

Added 'processed_blocks' and 'total_bocks' fields to track the progress of jobs involving retrieve operations.

Signed-off-by: Cristiano Urban <cristiano.urban@inaf.it>

06-uws.sql

@@ -11,6 +11,8 @@ CREATE TABLE job (
     end_time timestamp,
     creation_time timestamp default CURRENT_TIMESTAMP,
     job_info jsonb,
+    processed_blocks int default null,
+    total_blocks int default null,
     results jsonb,
     error_message varchar,
     error_type ErrorType,