15 lines
		
	
	
	
		
			683 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
		
		
			
		
	
	
			15 lines
		
	
	
	
		
			683 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| 
								 | 
							
								class CreateAccountConversations < ActiveRecord::Migration[5.2]
							 | 
						||
| 
								 | 
							
								  def change
							 | 
						||
| 
								 | 
							
								    create_table :account_conversations do |t|
							 | 
						||
| 
								 | 
							
								      t.belongs_to :account, foreign_key: { on_delete: :cascade }
							 | 
						||
| 
								 | 
							
								      t.belongs_to :conversation, foreign_key: { on_delete: :cascade }
							 | 
						||
| 
								 | 
							
								      t.bigint :participant_account_ids, array: true, null: false, default: []
							 | 
						||
| 
								 | 
							
								      t.bigint :status_ids, array: true, null: false, default: []
							 | 
						||
| 
								 | 
							
								      t.bigint :last_status_id, null: true, default: nil
							 | 
						||
| 
								 | 
							
								      t.integer :lock_version, null: false, default: 0
							 | 
						||
| 
								 | 
							
								    end
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								    add_index :account_conversations, [:account_id, :conversation_id, :participant_account_ids], unique: true, name: 'index_unique_conversations'
							 | 
						||
| 
								 | 
							
								  end
							 | 
						||
| 
								 | 
							
								end
							 |