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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?.
1 rows affected
2 rows affected
task_id assignee date_from date_to
tsk1 me 2000-01-01 2017-04-06
tsk1 you 2017-04-06 2017-04-08
tsk1 him 2017-04-08 2018-01-03