operations.hpp File Reference

select<T>, intersect<T>, union_<T>, except<T> More...

#include "litesql/datasource.hpp"

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Functions
template<class T >
litesql::DataSource< T >	litesql::select (const litesql::Database &db, const litesql::Expr &e=litesql::Expr())
	returns DataSource for accessing objects of type T
template<class T >
litesql::DataSource< T >	litesql::intersect (const litesql::DataSource< T > &ds1, const litesql::DataSource< T > &ds2)
	returns DataSource for accessing intersection of two sets of objects of type T
template<class T >
litesql::DataSource< T >	litesql::union_ (const litesql::DataSource< T > &ds1, const litesql::DataSource< T > &ds2)
	returns DataSource for accessing union of two sets of objects of type T
template<class T >
litesql::DataSource< T >	litesql::except (const litesql::DataSource< T > &ds1, const litesql::DataSource< T > &ds2)
	returns DataSource for accessing objects of type T that are in first DataSource but not in second. More...

Detailed Description

select<T>, intersect<T>, union_<T>, except<T>

Function Documentation

except()

template<class T >

litesql::DataSource<T> litesql::except	(	const litesql::DataSource< T > &	ds1,
		const litesql::DataSource< T > &	ds2
	)

returns DataSource for accessing objects of type T that are in first DataSource but not in second.

References litesql::except(), litesql::DataSource< T >::getDatabase(), and litesql::DataSource< T >::idQuery().

Referenced by litesql::except().