Dv::Sql::basic_boolexp< L, R > Class Template Reference

A class template derived from Dv::Sql::boolexp. More...

#include <select_exp.h>

Inheritance diagram for Dv::Sql::basic_boolexp< L, R >:

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Collaboration diagram for Dv::Sql::basic_boolexp< L, R >:

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List of all members.

Public Member Functions
	basic_boolexp (const L &l, RelOp o, const R &r)
	Constructor.
virtual	~basic_boolexp ()
	Destructor.
std::ostream &	print (std::ostream &os, const Dv::Sql::Db &db) const
	Print this expression on a stream, using escapes for column values.
Public Attributes
const L	l_arg
	Left argument.
const RelOp	op
	Relational operator.
const R	r_arg
	Right argument.

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Detailed Description

template<typename L, typename R>
class Dv::Sql::basic_boolexp< L, R >

A class template derived from Dv::Sql::boolexp.

A basic boolean expression consists of a relational operator with two arguments.

Definition at line 547 of file select_exp.h.

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Constructor & Destructor Documentation

template<typename L , typename R >

Dv::Sql::basic_boolexp< L, R >::basic_boolexp	(	const L &	l,
		RelOp	o,
		const R &	r
	)			[inline]

Constructor.

Parameters:

	l	left argument
	o	relational operator
	r	right argument

template<typename L , typename R >

virtual Dv::Sql::basic_boolexp< L, R >::~basic_boolexp

(

)

[inline, virtual]

Destructor.

Definition at line 566 of file select_exp.h.

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Member Function Documentation

template<typename L , typename R >

std::ostream& Dv::Sql::basic_boolexp< L, R >::print	(	std::ostream &	os,
		const Dv::Sql::Db &	db
	)			const [inline, virtual]

Print this expression on a stream, using escapes for column values.

Parameters:

	os	stream to print to
	db	whose associated stringify functions will be used

Returns:

os

Implements Dv::Sql::boolexp.

Definition at line 574 of file select_exp.h.

References Dv::Sql::basic_boolexp< L, R >::l_arg, Dv::Sql::basic_boolexp< L, R >::op, Dv::Sql::basic_boolexp< L, R >::r_arg, and Dv::Sql::sql_string().

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Member Data Documentation

template<typename L , typename R >

const L Dv::Sql::basic_boolexp< L, R >::l_arg

Left argument.

Definition at line 550 of file select_exp.h.

Referenced by Dv::Sql::basic_boolexp< L, R >::print().

template<typename L , typename R >

const RelOp Dv::Sql::basic_boolexp< L, R >::op

Relational operator.

Definition at line 552 of file select_exp.h.

Referenced by Dv::Sql::basic_boolexp< L, R >::print().

template<typename L , typename R >

const R Dv::Sql::basic_boolexp< L, R >::r_arg

Right argument.

Definition at line 554 of file select_exp.h.

Referenced by Dv::Sql::basic_boolexp< L, R >::print().

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The documentation for this class was generated from the following file:

• select_exp.h