1 files changed, 20 insertions, 0 deletions
diff --git a/db/migrate/20200819192143_add_emails_user_id_foreign_key.rb b/db/migrate/20200819192143_add_emails_user_id_foreign_key.rb
new file mode 100644
index 00000000000..7f00aa6341b
--- /dev/null
+++ b/db/migrate/20200819192143_add_emails_user_id_foreign_key.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class AddEmailsUserIdForeignKey < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  CONSTRAINT_NAME = 'fk_emails_user_id'
+
+  def up
+    with_lock_retries do
+      add_foreign_key :emails, :users, on_delete: :cascade, validate: false, name: CONSTRAINT_NAME
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key_if_exists :emails, column: :user_id, name: CONSTRAINT_NAME
+    end
+  end
+end