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11 lines
296 B
11 lines
296 B
5 years ago
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class ModifyViewedCountForSubjects < ActiveRecord::Migration[5.2]
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def change
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subjects = Subject.where(status: 2).includes(:shixuns)
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subjects.find_each do |subject|
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subject.update_attribute(:visits, subject.visits + subject.shixuns.pluck(:myshixuns_count).sum)
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end
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end
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end
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