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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?.
2 rows affected
trace |
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[["a", "b"], ["c", "d", "e"]] |
[["e", "f", "g"], ["h", "i"]] |
trace | string_agg |
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[["a", "b"], ["c", "d", "e"]] | a.b c.d.e |
[["e", "f", "g"], ["h", "i"]] | i.h g.e.f |