27 #include "../../datatype/SimpleData.h"
This class models a string Literal value.
A class that models a Literal String value.
Literal & operator=(const Literal &rhs)
Expression * clone() const
It creates a new copy of this expression.
SimpleData< std::string, STRING_TYPE > String
TE_DEFINE_VISITABLE LiteralString(const std::string &s)
Constructor.
LiteralString & operator=(const LiteralString &rhs)
This class models a literal value.
This is an abstract class that models a query expression.