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7 rows affected
| event_date | person_id | event_flag | rn |
|---|---|---|---|
| 2019-09-10 | A | X | 1 |
| 2019-09-11 | A | X | 1 |
| 2019-09-12 | A | Y | 2 |
| 2019-09-13 | A | X | 3 |
| 2019-09-14 | A | X | 3 |
| 2019-09-15 | A | X | 3 |
| 2019-09-16 | A | Y | 4 |