and { eq { hop { filter_eq { all_rows ; lost ; 15 } ; lost } ; hop { filter_eq { all_rows ; lost ; 15 } ; lost } } ; and { eq { hop { filter_eq { all_rows ; lost ; 15 } ; lost } ; 15 } ; eq { hop { filter_eq { all_rows ; lost ; 15 } ; lost } ; 15 } } } = true
select the rows whose lost record fuzzily matches to 15 . take the lost record of this row . select the rows whose lost record fuzzily matches to 15 . take the lost record of this row . the first record is equal to the second record . the lost record of the first row is 15 . the lost record of the second row is 15 .