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# frozen_string_literal: true
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class AddLockVersionToPolls < ActiveRecord::Migration[5.2]
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disable_ddl_transaction!
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def up
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safety_assured do
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add_column(
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:polls,
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:lock_version,
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:integer,
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null: false,
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default: 0
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)
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end
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end
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def down
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remove_column :polls, :lock_version
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end
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end
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