Dv::Sql::unary_value_exp< L > Class Template Reference

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

#include <select_exp.h>

Inheritance diagram for Dv::Sql::unary_value_exp< L >:

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Collaboration diagram for Dv::Sql::unary_value_exp< L >:

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List of all members.

Public Member Functions
	unary_value_exp (const L &l, Function f)
	Constructor.
virtual	~unary_value_exp ()
	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	arg
	argument.
const Function	fun
	Function.

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Detailed Description

template<typename L>
class Dv::Sql::unary_value_exp< L >

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

A basic unary boolean expression consists of a unary operator with an argument.

Definition at line 253 of file select_exp.h.

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Constructor & Destructor Documentation

template<typename L >

Dv::Sql::unary_value_exp< L >::unary_value_exp	(	const L &	l,
		Function	f
	)			[inline]

Constructor.

Parameters:

	l	left argument
	o	relational operator
	r	right argument

template<typename L >

virtual Dv::Sql::unary_value_exp< L >::~unary_value_exp

(

)

[inline, virtual]

Destructor.

Definition at line 269 of file select_exp.h.

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Member Function Documentation

template<typename L >

std::ostream& Dv::Sql::unary_value_exp< L >::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::value_exp.

Definition at line 277 of file select_exp.h.

References Dv::Sql::unary_value_exp< L >::arg, Dv::Sql::unary_value_exp< L >::fun, and Dv::Sql::sql_string().

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Member Data Documentation

template<typename L >

const L Dv::Sql::unary_value_exp< L >::arg

argument.

Definition at line 256 of file select_exp.h.

Referenced by Dv::Sql::unary_value_exp< L >::print().

template<typename L >

const Function Dv::Sql::unary_value_exp< L >::fun

Function.

Definition at line 258 of file select_exp.h.

Referenced by Dv::Sql::unary_value_exp< L >::print().

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

• select_exp.h