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Help with an interesting Postgres question: Why isn't an Index Only Scan used on a partition accessed via the parent table?.
6 rows affected
id bday
1 2018-01-02
2 2018-01-04
3 2018-01-06
4 2018-01-08
5 2018-01-10
6 2018-01-12
the_day
2018-01-10
bday
2018-01-10
add_bussines_day
2018-01-10