Expression * clone() const 
It creates a new copy of this expression. 
 
BinaryOp & operator=(const BinaryOp &rhs)
 
It models the inequality operator greater than or equal to (>=). 
 
It models the inequality operator greater than or equal to (>=) - syntatic-suggar. 
 
This is an abstract class that models a query expression. 
 
GreaterThanOrEqualTo & operator=(const GreaterThanOrEqualTo &rhs)
 
A base class for binary operations. 
 
TE_DEFINE_VISITABLE GreaterThanOrEqualTo(Expression *arg1, Expression *arg2)
Constructor.