Merge Arel into Active Record

1 files changed, 27 insertions, 0 deletions

diff --git a/activerecord/lib/arel/nodes/bind_param.rb b/activerecord/lib/arel/nodes/bind_param.rb
new file mode 100644
index 0000000000..efa4f452d4
--- /dev/null
+++ b/activerecord/lib/arel/nodes/bind_param.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+module Arel
+  module Nodes
+    class BindParam < Node
+      attr_accessor :value
+
+      def initialize(value)
+        @value = value
+        super()
+      end
+
+      def hash
+        [self.class, self.value].hash
+      end
+
+      def eql?(other)
+        other.is_a?(BindParam) &&
+          value == other.value
+      end
+      alias :== :eql?
+
+      def nil?
+        value.nil?
+      end
+    end
+  end
+end