Class: LikesMigration
- Inherits:
-
ActiveRecord::Migration
- Object
- ActiveRecord::Migration
- LikesMigration
- Defined in:
- lib/generators/templates/likes_migration.rb
Instance Method Summary collapse
Instance Method Details
#change ⇒ Object
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# File 'lib/generators/templates/likes_migration.rb', line 2 def change create_table :likes do |t| #this table must have xxx_identity, xxx_id, xxx_type 3 columns t.string :likeable_identity, null: false t.references :likeable, :polymorphic => true, :null => false #you maybe need change this column t.references :user t. end #indexes #add_index :likes, [:user_id, :likeable_id, :likeable_type], :unique => true #add_index :likes, :user_id end |