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【Rails】ActiveRecordで、月ごと年ごとの合計

More than 5 years have passed since last update.

Rails、ActiveRecordでの書き方。
月別の合計を出す機会があったので、色々調べてみて、
一番簡潔そうなのがこれでした。

sales_controller.rb
@sales = Sale.group("MONTH(date)").sum(:column)

groupでまとめて、sumしてます。
ちなみに、MONTHをYEARに変えれば年ごとになります。

もっと良いのがあれば教えてください。

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