BinaryFunction & operator=(const BinaryFunction &rhs)
Expression * clone() const
It creates a new copy of this expression.
Spatial intersects operator.
This is an abstract class that models a query expression.
ST_Intersection & operator=(const ST_Intersection &rhs)
TE_DEFINE_VISITABLE ST_Intersection(Expression *arg1, Expression *arg2)
Constructor.
Spatial intersection operator.
A base class for binary functions.