23 lines
		
	
	
	
		
			709 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
	
		
			709 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| MIGRATION_BASE_CLASS = if ActiveRecord::VERSION::MAJOR >= 5
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|                          ActiveRecord::Migration[5.0]
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|                        else
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|                          ActiveRecord::Migration[4.2]
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|                        end
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| 
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| class RailsSettingsMigration < MIGRATION_BASE_CLASS
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|   def self.up
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|     create_table :settings do |t|
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|       t.string     :var, null: false
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|       t.text       :value
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|       t.references :target, null: false, polymorphic: true, index: { name: 'index_settings_on_target_type_and_target_id' }
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|       t.timestamps null: true
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|     end
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|     add_index :settings, [:target_type, :target_id, :var], unique: true
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|   end
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| 
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|   def self.down
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|     drop_table :settings
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|   end
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| end
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