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25 lines
848 B
Ruby
25 lines
848 B
Ruby
# frozen_string_literal: true
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class MigrateSettings < ActiveRecord::Migration[4.2]
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def up
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change_table(:settings, bulk: true) do |t|
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t.remove_index [:target_type, :target_id, :var]
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t.rename :target_id, :thing_id
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t.rename :target_type, :thing_type
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t.change :thing_id, :integer, null: true, default: nil
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t.change :thing_type, :string, null: true, default: nil
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t.index [:thing_type, :thing_id, :var], unique: true
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end
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end
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def down
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change_table(:settings, bulk: true) do |t|
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t.remove_index [:thing_type, :thing_id, :var]
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t.rename :thing_id, :target_id
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t.rename :thing_type, :target_type
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t.column :target_id, :integer, null: false
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t.column :target_type, :string, null: false, default: ''
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t.index [:target_type, :target_id, :var], unique: true
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end
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end
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end
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