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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?.
10 rows affected
vendor exdate product
好吃雞腿 2021-08-01 炸雞腿
好吃雞腿 2021-08-02 炸雞腿
好吃雞腿 2021-08-03 滷雞腿
好吃雞腿 2021-08-04 蜜汁雞腿
好吃雞腿 2021-09-01 蜜汁雞腿
好吃雞腿 2021-09-02 蜜汁雞腿
好吃雞腿 2021-09-03 蜜汁雞腿
黯然排骨 2021-08-01 排骨酥
黯然排骨 2021-08-02 椒鹽排骨
黯然排骨 2021-08-03 紅燒排骨
供應商 月份 產品1 產品2
好吃雞腿 202108 炸雞腿 滷雞腿
好吃雞腿 202109 蜜汁雞腿 還是蜜汁雞腿
黯然排骨 202108 排骨酥 椒鹽排骨