1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20220613112031_add_group_or_project_constraint_in_protected_branches.rb b/db/migrate/20220613112031_add_group_or_project_constraint_in_protected_branches.rb
new file mode 100644
index 00000000000..b7f20450480
--- /dev/null
+++ b/db/migrate/20220613112031_add_group_or_project_constraint_in_protected_branches.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddGroupOrProjectConstraintInProtectedBranches < Gitlab::Database::Migration[2.0]
+  disable_ddl_transaction!
+
+  CONSTRAINT_NAME = 'protected_branches_project_id_namespace_id_any_not_null'
+
+  def up
+    constraint = <<~CONSTRAINT
+      (project_id IS NULL) <> (namespace_id IS NULL)
+    CONSTRAINT
+    add_check_constraint :protected_branches, constraint, CONSTRAINT_NAME
+  end
+
+  def down
+    remove_check_constraint :protected_branches, CONSTRAINT_NAME
+  end
+end