用户索引

db/migrate/20190730024112_add_index_to_user.rb

@@ -1,7 +0,0 @@
-class AddIndexToUser < ActiveRecord::Migration[5.2]
-  def change
-    # add_index :users, :login, unique: true
-    # add_index :users, :mail, unique: true
-    # add_index :users, :phone, unique: true
-  end
-end

db/migrate/20190805004505_sync_index_to_users.rb

@@ -0,0 +1,7 @@
+class SyncIndexToUsers < ActiveRecord::Migration[5.2]
+  def change
+    add_index :users, :login, unique: true
+    add_index :users, :mail, unique: true
+    add_index :users, :phone, unique: true
+  end
+end