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