1 files changed, 29 insertions, 0 deletions
diff --git a/activerecord/lib/arel/nodes/comment.rb b/activerecord/lib/arel/nodes/comment.rb
new file mode 100644
index 0000000000..237ff27e7e
--- /dev/null
+++ b/activerecord/lib/arel/nodes/comment.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module Arel # :nodoc: all
+  module Nodes
+    class Comment < Arel::Nodes::Node
+      attr_reader :values
+
+      def initialize(values)
+        super()
+        @values = values
+      end
+
+      def initialize_copy(other)
+        super
+        @values = @values.clone
+      end
+
+      def hash
+        [@values].hash
+      end
+
+      def eql?(other)
+        self.class == other.class &&
+          self.values == other.values
+      end
+      alias :== :eql?
+    end
+  end
+end