Fix migration to rollback

4 years ago · 0cdc0be78b
1 changed files with 6 additions and 2 deletions
--- a/db/migrate/20220128044651_remove_annomark_id_in_annotations.rb
+++ b/db/migrate/20220128044651_remove_annomark_id_in_annotations.rb
@ -1,5 +1,9 @@
 class RemoveAnnomarkIdInAnnotations < ActiveRecord::Migration[6.1]
-  def change
-    safety_assured { remove_column :annotations, :annomark_id, :integer, null: false }
+  def up
+    safety_assured { remove_column :annotations, :annomark_id, :integer }
+  end
+
+  def down
+    add_column :annotations, :annomark_id, :integer, null: false
  end
 end