rename table subscribe; make it polymorfic

2 files changed, 13 insertions, 16 deletions

diff --git a/db/migrate/20150313012111_create_subscribes_table.rb b/db/migrate/20150313012111_create_subscribes_table.rb
deleted file mode 100644
index ab0e9a2a5b5..00000000000
--- a/db/migrate/20150313012111_create_subscribes_table.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-class CreateSubscribesTable < ActiveRecord::Migration
-  def change
-    create_table :subscribes do |t|
-      t.integer :user_id
-      t.integer :merge_request_id
-      t.integer :issue_id
-      t.boolean :subscribed
-      
-      t.timestamps
-    end
-
-    add_index :subscribes, :user_id
-    add_index :subscribes, :issue_id
-    add_index :subscribes, :merge_request_id
-  end
-end
diff --git a/db/migrate/20150313012111_create_subscriptions_table.rb b/db/migrate/20150313012111_create_subscriptions_table.rb
new file mode 100644
index 00000000000..78f7aeeaf7c
--- /dev/null
+++ b/db/migrate/20150313012111_create_subscriptions_table.rb
@@ -0,0 +1,13 @@
+class CreateSubscriptionsTable < ActiveRecord::Migration
+  def change
+    create_table :subscriptions do |t|
+      t.integer :user_id
+      t.references :subscribable, polymorphic: true
+      t.boolean :subscribed
+      
+      t.timestamps
+    end
+
+    add_index :subscriptions, [:subscribable_id, :subscribable_type, :user_id], unique: true, name: 'subscriptions_user_id_and_ref_fields'
+  end
+end