Support `limit(n)` and `offset(n)` nodes in dot output

activerecord/lib/arel/visitors/dot.rb

@@ -222,7 +222,7 @@ module Arel # :nodoc: all
           edge("value") { visit o.value }
         end
 
-        def visit_ActiveRecord_Relation_QueryAttribute(o)
+        def visit_ActiveModel_Attribute(o)
           edge("value_before_type_cast") { visit o.value_before_type_cast }
         end
 

activerecord/test/cases/arel/visitors/dot_test.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 require_relative "../helper"
+require "active_model/attribute"
 
 module Arel
   module Visitors
@@ -78,6 +79,12 @@ module Arel
         collector = Collectors::PlainString.new
         assert_match '[label="<f0>Arel::Nodes::BindParam"]', @visitor.accept(node, collector).value
       end
+
+      def test_ActiveModel_Attribute
+        node = ActiveModel::Attribute.with_cast_value("LIMIT", 1, nil)
+        collector = Collectors::PlainString.new
+        assert_match '[label="<f0>ActiveModel::Attribute::WithCastValue"]', @visitor.accept(node, collector).value
+      end
     end
   end
 end