Class: HasRelationshipMigration

Inherits:
ActiveRecord::Migration
  • Object
show all
Defined in:
lib/generators/has_relationship/migration/templates/active_record/migration.rb

Class Method Summary collapse

Class Method Details

.down ⇒ Object 



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# File 'lib/generators/has_relationship/migration/templates/active_record/migration.rb', line 20

def self.down
  drop_table :relationships
end

.up ⇒ Object 



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# File 'lib/generators/has_relationship/migration/templates/active_record/migration.rb', line 2

def self.up        
  create_table :relationships do |t|
    t.column :relation1_id, :integer
    t.column :relation1_type, :string
    
    t.column :relation2_id, :integer
    t.column :relation2_type, :string
    
    t.column :relationship, :string
    
    t.column :created_at, :datetime
  end
  
  add_index :relationships, [:relation1_id, :relation1_type]
  add_index :relationships, [:relation2_id, :relation2_type]
  add_index :relationships, [:relationship]
end