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class ModifyPraisesCountForChallenges < ActiveRecord::Migration[5.2]
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def change
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challenges = Challenge.where(nil).unscoped
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challenges.find_each do |c|
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praises_count = c.praise_treads.where(praise_or_tread: 1).count
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c.update_column(:praises_count, praises_count)
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end
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end
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end
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