Merge Arel into Active Record

1 files changed, 80 insertions, 0 deletions

diff --git a/activerecord/lib/arel/nodes/infix_operation.rb b/activerecord/lib/arel/nodes/infix_operation.rb
new file mode 100644
index 0000000000..4eb7c5356f
--- /dev/null
+++ b/activerecord/lib/arel/nodes/infix_operation.rb
@@ -0,0 +1,80 @@
+# frozen_string_literal: true
+module Arel
+  module Nodes
+
+    class InfixOperation < Binary
+      include Arel::Expressions
+      include Arel::Predications
+      include Arel::OrderPredications
+      include Arel::AliasPredication
+      include Arel::Math
+
+      attr_reader :operator
+
+      def initialize operator, left, right
+        super(left, right)
+        @operator = operator
+      end
+    end
+
+    class Multiplication < InfixOperation
+      def initialize left, right
+        super(:*, left, right)
+      end
+    end
+
+    class Division < InfixOperation
+      def initialize left, right
+        super(:/, left, right)
+      end
+    end
+
+    class Addition < InfixOperation
+      def initialize left, right
+        super(:+, left, right)
+      end
+    end
+
+    class Subtraction < InfixOperation
+      def initialize left, right
+        super(:-, left, right)
+      end
+    end
+
+    class Concat < InfixOperation
+      def initialize left, right
+        super('||', left, right)
+      end
+    end
+
+    class BitwiseAnd < InfixOperation
+      def initialize left, right
+        super(:&, left, right)
+      end
+    end
+
+    class BitwiseOr < InfixOperation
+      def initialize left, right
+        super(:|, left, right)
+      end
+    end
+
+    class BitwiseXor < InfixOperation
+      def initialize left, right
+        super(:^, left, right)
+      end
+    end
+
+    class BitwiseShiftLeft < InfixOperation
+      def initialize left, right
+        super(:<<, left, right)
+      end
+    end
+
+    class BitwiseShiftRight < InfixOperation
+      def initialize left, right
+        super(:>>, left, right)
+      end
+    end
+  end
+end