te::da::SelectExpression Class Reference

A Select can be used as a source of information in another query. More...

#include <SelectExpression.h>

Inheritance diagram for te::da::SelectExpression:

Public Types
typedef void	ReturnType
typedef QueryVisitor	VisitorType

Public Member Functions
virtual ReturnType	accept (VisitorType &guest) const =0
	It call the visit method from the guest object. More...
Expression *	clone () const
	It creates a new copy of this Expression. More...
Select *	getSelect () const
	It returns the associated select expression. More...
SelectExpression &	operator= (const SelectExpression &rhs)
TE_DEFINE_VISITABLE	SelectExpression (Select *s)
	Constructor. More...
	SelectExpression (const Select &s)
	Constructor. More...
	SelectExpression (const SelectExpression &rhs)
	Copy constructor. More...
void	setSelect (Select *s)
	It sets the real SelectExpression associated to this object. More...
	~SelectExpression ()
	Destructor. More...

Private Attributes
std::unique_ptr< Select >	m_select
	The associated SelectExpression. More...

Detailed Description

A Select can be used as a source of information in another query.

See also

FromItem, DataSetName, DataSetType, DataSet, FromFunctionCall, Join

Definition at line 49 of file SelectExpression.h.

Member Typedef Documentation

typedef void te::common::BaseVisitable< QueryVisitor , void >::ReturnType

inherited

Definition at line 58 of file BaseVisitable.h.

typedef QueryVisitor te::common::BaseVisitable< QueryVisitor , void >::VisitorType

inherited

Definition at line 57 of file BaseVisitable.h.

Constructor & Destructor Documentation

te::da::SelectExpression::SelectExpression

(

Select *

s

)

Constructor.

Parameters

s	The real Select to be associated to this object.

Note

The SelectExpression will take the ownership of the Select.

Definition at line 30 of file SelectExpression.cpp.

Referenced by clone().

te::da::SelectExpression::SelectExpression

(

const Select &

s

)

Constructor.

Parameters

s	The real Select to be associated to this object.

Definition at line 35 of file SelectExpression.cpp.

te::da::SelectExpression::SelectExpression

(

const SelectExpression &

rhs

)

Copy constructor.

Definition at line 40 of file SelectExpression.cpp.

References m_select.

te::da::SelectExpression::~SelectExpression ( )

inline

Destructor.

Definition at line 75 of file SelectExpression.h.

Member Function Documentation

virtual ReturnType te::common::BaseVisitable< QueryVisitor , void >::accept ( VisitorType &  guest ) const

pure virtualinherited

It call the visit method from the guest object.

Parameters

guest

The guest or visitor.

Returns

Any valid value define by the template type R.

te::da::Expression * te::da::SelectExpression::clone ( ) const

virtual

It creates a new copy of this Expression.

Implements te::da::Expression.

Definition at line 54 of file SelectExpression.cpp.

References SelectExpression().

te::da::Select * te::da::SelectExpression::getSelect

(

)

const

It returns the associated select expression.

Returns

The associated select expression.

Definition at line 59 of file SelectExpression.cpp.

References m_select.

Referenced by te::da::SQLVisitor::visit().

te::da::SelectExpression & te::da::SelectExpression::operator=

(

const SelectExpression &

rhs

)

Assignment operator.

Definition at line 46 of file SelectExpression.cpp.

References m_select.

void te::da::SelectExpression::setSelect

(

Select *

s

)

It sets the real SelectExpression associated to this object.

Parameters

s	The Select to be associated to the Expression object.

Note

The SelectExpression will take the ownership of the Select.

Definition at line 64 of file SelectExpression.cpp.

References m_select.

Member Data Documentation

std::unique_ptr<Select> te::da::SelectExpression::m_select

private

The associated SelectExpression.

Definition at line 101 of file SelectExpression.h.

Referenced by getSelect(), operator=(), SelectExpression(), and setSelect().

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

• SelectExpression.h
• SelectExpression.cpp