12 lines
		
	
	
	
		
			306 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
	
		
			306 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| class CreateBlocks < ActiveRecord::Migration[5.0]
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|   def change
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|     create_table :blocks do |t|
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|       t.integer :account_id, null: false
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|       t.integer :target_account_id, null: false
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| 
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|       t.timestamps null: false
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|     end
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| 
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|     add_index :blocks, [:account_id, :target_account_id], unique: true
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|   end
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| end
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