27 #include "../../datatype/SimpleData.h" 
Literal & operator=(const Literal &rhs)
 
Expression * clone() const 
It creates a new copy of this expression. 
 
SimpleData< boost::int64_t, INT64_TYPE > Int64
 
This is an abstract class that models a query expression. 
 
LiteralInt64 & operator=(const LiteralInt64 &rhs)
 
This class models a literal value. 
 
A class that models a Literal for a integer value. 
 
TE_DEFINE_VISITABLE LiteralInt64(boost::int64_t i)
Constructor.