質問編集履歴
1
コードを一部修正しました
test
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File without changes
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test
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@@ -12,7 +12,7 @@
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`Lesson.where(lesson_day: Date.new(2020, 4, 1)..Date.new(2021, 3, 31)).group("extract(month from lesson_day)").order("extract_month_from_lesson_day
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`Lesson.where(lesson_day: Date.new(2020, 4, 1)..Date.new(2021, 3, 31)).group("extract(month from lesson_day)").order("extract_month_from_lesson_day").count`
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