Function field_ref

cpp/src/arrow/compute/expression.cc:74–76

Expression literal(Datum lit) { return Expression(std::move(lit)); }

Expression field_ref(FieldRef ref) {
  return Expression(Expression::Parameter{std::move(ref), TypeHolder{}, {-1}});
}

Expression call(std::string function, std::vector<Expression> arguments,
                std::shared_ptr<compute::FunctionOptions> options) {