1 files changed, 20 insertions, 0 deletions
diff --git a/db/post_migrate/20220726182310_add_user_fk_to_vulnerability_state_transitions.rb b/db/post_migrate/20220726182310_add_user_fk_to_vulnerability_state_transitions.rb
new file mode 100644
index 00000000000..ad0bf6141b2
--- /dev/null
+++ b/db/post_migrate/20220726182310_add_user_fk_to_vulnerability_state_transitions.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class AddUserFkToVulnerabilityStateTransitions < Gitlab::Database::Migration[2.0]
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_vulnerability_state_transitions_on_author_id'
+
+  def up
+    add_concurrent_index :vulnerability_state_transitions, :author_id, name: INDEX_NAME
+    add_concurrent_foreign_key :vulnerability_state_transitions, :users, column: :author_id, on_delete: :nullify
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :vulnerability_state_transitions, column: :author_id
+    end
+
+    remove_concurrent_index_by_name :vulnerability_state_transitions, INDEX_NAME
+  end
+end