Merge Arel into Active Record

1 files changed, 31 insertions, 0 deletions

diff --git a/activerecord/lib/arel/nodes/and.rb b/activerecord/lib/arel/nodes/and.rb
new file mode 100644
index 0000000000..1e2f61cf43
--- /dev/null
+++ b/activerecord/lib/arel/nodes/and.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+module Arel
+  module Nodes
+    class And < Arel::Nodes::Node
+      attr_reader :children
+
+      def initialize children
+        super()
+        @children = children
+      end
+
+      def left
+        children.first
+      end
+
+      def right
+        children[1]
+      end
+
+      def hash
+        children.hash
+      end
+
+      def eql? other
+        self.class == other.class &&
+          self.children == other.children
+      end
+      alias :== :eql?
+    end
+  end
+end