WIP Interim save

db/migrate/20210628090353_add_polymorphic_relation_to_email_address_verification.rb

@@ -0,0 +1,31 @@
+class AddPolymorphicRelationToEmailAddressVerification < ActiveRecord::Migration[6.1]
+  def change
+    remove_column :email_address_verifications, :email, :string
+    remove_column :email_address_verifications, :success, :boolean
+    remove_column :email_address_verifications, :domain, :string
+
+    change_table 'email_address_verifications' do |t|
+      t.references :email_verifable, polymorphic: true
+      t.jsonb :result
+      t.integer :times_scanned
+    end
+
+    reversible do |change|
+      change.up do
+        EmailAddressVerification.destroy_all
+
+        execute <<-SQL
+          CREATE TYPE email_verification_type AS ENUM ('regex', 'mx', 'smtp');
+        SQL
+
+        add_column :email_address_verifications, :type, :email_verification_type
+      end
+
+      change.down do
+        execute <<-SQL
+          DROP TYPE email_verification_type;
+        SQL
+      end
+    end
+  end
+end