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class ChangeIdValueRange < ActiveRecord::Migration[4.2]
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def self.up
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change_column :logs, :id, :bigint
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change_column :reports, :id, :bigint
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change_column :fact_values, :id, :bigint
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end
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def self.down
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change_column :logs, :id, :int
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change_column :reports, :id, :int
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change_column :fact_values, :id, :int
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end
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end
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