42 return new Min(*
this);
Min & operator=(const Min &rhs)
A base class for unary functions.
Min statistical function.
This is an abstract class that models a query expression.
UnaryFunction & operator=(const UnaryFunction &rhs)
Expression * clone() const
It creates a new copy of this expression.
Min statistical function.
TE_DEFINE_VISITABLE Min(Expression *arg)
Constructor.