1 files changed, 15 insertions, 0 deletions
diff --git a/db/migrate/20211118124537_add_foreign_key_to_vulnerability_reads_on_vulnerability.rb b/db/migrate/20211118124537_add_foreign_key_to_vulnerability_reads_on_vulnerability.rb
new file mode 100644
index 00000000000..dd5b0bdc028
--- /dev/null
+++ b/db/migrate/20211118124537_add_foreign_key_to_vulnerability_reads_on_vulnerability.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class AddForeignKeyToVulnerabilityReadsOnVulnerability < Gitlab::Database::Migration[1.0]
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :vulnerability_reads, :vulnerabilities, column: :vulnerability_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :vulnerability_reads, column: :vulnerability_id
+    end
+  end
+end