Merge Arel into Active Record

1 files changed, 44 insertions, 0 deletions

diff --git a/activerecord/lib/arel/math.rb b/activerecord/lib/arel/math.rb
new file mode 100644
index 0000000000..9e6549b58f
--- /dev/null
+++ b/activerecord/lib/arel/math.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+module Arel
+  module Math
+    def *(other)
+      Arel::Nodes::Multiplication.new(self, other)
+    end
+
+    def +(other)
+      Arel::Nodes::Grouping.new(Arel::Nodes::Addition.new(self, other))
+    end
+
+    def -(other)
+      Arel::Nodes::Grouping.new(Arel::Nodes::Subtraction.new(self, other))
+    end
+
+    def /(other)
+      Arel::Nodes::Division.new(self, other)
+    end
+
+    def &(other)
+      Arel::Nodes::Grouping.new(Arel::Nodes::BitwiseAnd.new(self, other))
+    end
+
+    def |(other)
+      Arel::Nodes::Grouping.new(Arel::Nodes::BitwiseOr.new(self, other))
+    end
+
+    def ^(other)
+      Arel::Nodes::Grouping.new(Arel::Nodes::BitwiseXor.new(self, other))
+    end
+
+    def <<(other)
+      Arel::Nodes::Grouping.new(Arel::Nodes::BitwiseShiftLeft.new(self, other))
+    end
+
+    def >>(other)
+      Arel::Nodes::Grouping.new(Arel::Nodes::BitwiseShiftRight.new(self, other))
+    end
+
+    def ~@
+      Arel::Nodes::BitwiseNot.new(self)
+    end
+  end
+end