class Arel::Nodes::SqlLiteral

def +(other)
  raise ArgumentError, "Expected Arel node" unless Arel.arel_node?(other)
  Fragments.new([self, other])
end

def encode_with(coder)
  coder.scalar = self.to_s
end

def fetch_attribute(&)
end

def initialize(string, retryable: false)
  @retryable = retryable
  super(string)
end