Since Rails 5.1 missing migration version results in following error: ``` StandardError: Directly inheriting from ActiveRecord::Migration is not supported. Please specify the Rails release the migration was written for: ``` This PR fixes all migration files.
		
			
				
	
	
		
			13 lines
		
	
	
		
			270 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			270 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| class CreateMentions < ActiveRecord::Migration[4.2]
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|   def change
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|     create_table :mentions do |t|
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|       t.integer :account_id
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|       t.integer :status_id
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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 :mentions, [:account_id, :status_id], unique: true
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|   end
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| end
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