回答編集履歴
1
追記
answer
CHANGED
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@@ -13,4 +13,59 @@
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13
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orders.voucher_no1 IN(duplicated.voucher_no1, duplicated.voucher_no2)
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```
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と表記できるはずです。もしうまくいって時間が変わらないのであれば、冗長な記述は少し減らせますね。
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16
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と表記できるはずです。もしうまくいって時間が変わらないのであれば、冗長な記述は少し減らせますね。
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案1
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```SQL
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SELECT orders.* FROM orders
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WHERE is_deleted = 0
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AND customer_id = 2
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AND NOT EXISTS(
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SELECT 1 FROM orders duplicated
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WHERE 2 = duplicated.customer_id
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AND duplicated.is_deleted = 0
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AND orders.id != duplicated.id
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AND orders.voucher_no1 IN(duplicated.voucher_no1, duplicated.voucher_no2)
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AND orders.voucher_date - INTERVAL 3 MONTH <= duplicated.voucher_date
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AND duplicated.voucher_date <= orders.voucher_date + INTERVAL 3 MONTH
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)
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AND NOT EXISTS(
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SELECT 1 FROM orders duplicated
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WHERE 2 = duplicated.customer_id
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AND duplicated.is_deleted = 0
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AND orders.id != duplicated.id
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AND orders.voucher_no2 IN(duplicated.voucher_no1, duplicated.voucher_no2)
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AND orders.voucher_date - INTERVAL 3 MONTH <= duplicated.voucher_date
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AND duplicated.voucher_date <= orders.voucher_date + INTERVAL 3 MONTH
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)
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;
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```
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案2
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```SQL
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SELECT orders.* FROM orders
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WHERE is_deleted = 0
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AND customer_id = 2
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AND NOT EXISTS(
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SELECT 1 FROM orders duplicated
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WHERE 2 = duplicated.customer_id
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AND duplicated.is_deleted = 0
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AND orders.id != duplicated.id
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AND duplicated.voucher_no1 IN(orders.voucher_no1, orders.voucher_no2)
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AND orders.voucher_date - INTERVAL 3 MONTH <= duplicated.voucher_date
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AND duplicated.voucher_date <= orders.voucher_date + INTERVAL 3 MONTH
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)
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AND NOT EXISTS(
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SELECT 1 FROM orders duplicated
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WHERE 2 = duplicated.customer_id
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AND duplicated.is_deleted = 0
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AND orders.id != duplicated.id
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AND duplicated.voucher_no2 IN(orders.voucher_no1, orders.voucher_no2)
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AND orders.voucher_date - INTERVAL 3 MONTH <= duplicated.voucher_date
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AND duplicated.voucher_date <= orders.voucher_date + INTERVAL 3 MONTH
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)
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;
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```
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