15 lines
		
	
	
		
			391 B
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			391 B
		
	
	
	
		
			Ruby
		
	
	
	
class CreateNotifications < ActiveRecord::Migration[5.0]
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  def change
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    create_table :notifications do |t|
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      t.integer :account_id
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      t.integer :activity_id
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      t.string :activity_type
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      t.timestamps
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    end
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    add_index :notifications, :account_id
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    add_index :notifications, [:account_id, :activity_id, :activity_type], unique: true, name: 'account_activity'
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  end
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end
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