...
if 'from' & 'to' are absent - the ods_data for 'src_end_utc' >= now() are fetched (the same as described above)
if 'from' & 'to' are both present - fetch ods_data that was entered into the database between those times
...
...
if 'from' & 'to' are absent - the ods_data for 'src_end_utc' >= now() are fetched (the same as described above)
if 'from' & 'to' are both present - fetch ods_data that was entered into the database between those times
...