30   : m_alias(rhs.m_alias)
 
An abstract class that models a source of data in a query. 
 
std::string m_alias
An alias for the output name. 
 
An abstract class that models a source of data in a query. 
 
TE_DEFINE_VISITABLE FromItem(const std::string &alias)
Constructor. 
 
void setAlias(const std::string &alias)
It sets the alias for a from source item. 
 
FromItem & operator=(const FromItem &rhs)
 
const std::string & getAlias() const 
It returns the alias associated to the source item.