回答編集履歴
1
セミコロン削除
    
        answer	
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         @@ -8,7 +8,7 @@ 
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       8 
8 
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                   A,
         
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       9 
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                   B,
         
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       10 
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                   DB::raw('SUM(C) as D')
         
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       11 
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                ) 
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 11 
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                )
         
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       12 
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               ->groupBy(A, B)
         
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               ->get();
         
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       14 
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