Refactor `Filter` implementation: avoid `Tables.rowtable`

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (169ad55) 94.43% compared to head (2aca433) 94.46%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #240 +/- ## ========================================== + Coverage 94.43% 94.46% +0.02% ========================================== Files 43 43 Lines 1293 1300 +7 ========================================== + Hits 1221 1228 +7 Misses 72 72 ```

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