greater { hop { filter_eq { all_rows ; date ; october 15 } ; time } ; hop { filter_eq { all_rows ; date ; october 12 } ; time } } = true
select the rows whose date record fuzzily matches to october 15 . take the time record of this row . select the rows whose date record fuzzily matches to october 12 . take the time record of this row . the first record is greater than the second record .