change plugins.private_flag to public_flag

db/migrate/20141016020624_add_public_flag_to_plugins.rb

@@ -0,0 +1,8 @@
+class AddPublicFlagToPlugins < ActiveRecord::Migration
+  def change
+    add_column :plugins, :public_flag, :boolean, default: false
+    # set existing public_flag values
+    execute("UPDATE plugins SET public_flag = true WHERE private_flag = false")
+  end
+end
+

db/migrate/20141016143645_remove_private_flag_from_plugins.rb

@@ -0,0 +1,6 @@
+class RemovePrivateFlagFromPlugins < ActiveRecord::Migration
+  def change
+    remove_column :plugins, :private_flag
+  end
+end
+