回答編集履歴
1
追記
test
CHANGED
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@@ -3,3 +3,9 @@
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3
3
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4
4
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5
5
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SaleDetail.sum(:mony)
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6
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+
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7
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+
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8
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+
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9
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+
SaleDetail.joins(:sale).where("sales.created_at": Time.zone.now.all_day).sum(:mony)
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10
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+
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11
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+
Sale.joins(:sale_details).where(created_at: Time.zone.now.all_day).sum("sale_details.mony")
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