QgsExpression::NodeColumnRef Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeColumnRef:

Collaboration diagram for QgsExpression::NodeColumnRef:

List of all members.

Public Member Functions
	NodeColumnRef (QString name)
virtual void	accept (Visitor &v) const
virtual QString	dump () const
virtual QVariant	eval (QgsExpression *parent, QgsFeature *f)
QString	name () const
virtual bool	needsGeometry () const
virtual NodeType	nodeType () const
virtual bool	prepare (QgsExpression *parent, const QgsFields &fields)
virtual QStringList	referencedColumns () const
Protected Attributes
int	mIndex
QString	mName

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Detailed Description

Definition at line 516 of file qgsexpression.h.

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Constructor & Destructor Documentation

QgsExpression::NodeColumnRef::NodeColumnRef

(

QString

name

)

[inline]

Definition at line 519 of file qgsexpression.h.

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Member Function Documentation

virtual void QgsExpression::NodeColumnRef::accept

(

Visitor &

v

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 530 of file qgsexpression.h.

References QgsExpression::Visitor::visit().

QString QgsExpression::NodeColumnRef::dump

(

)

const [virtual]

Implements QgsExpression::Node.

Definition at line 2266 of file qgsexpression.cpp.

QVariant QgsExpression::NodeColumnRef::eval	(	QgsExpression *	parent,
		QgsFeature *	f
	)		[virtual]

Implements QgsExpression::Node.

Definition at line 2242 of file qgsexpression.cpp.

References QgsFeature::attribute().

QString QgsExpression::NodeColumnRef::name

(

)

const [inline]

Definition at line 521 of file qgsexpression.h.

Referenced by QgsOgcUtils::expressionColumnRefToOgcFilter().

virtual bool QgsExpression::NodeColumnRef::needsGeometry

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 529 of file qgsexpression.h.

virtual NodeType QgsExpression::NodeColumnRef::nodeType

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 523 of file qgsexpression.h.

bool QgsExpression::NodeColumnRef::prepare	(	QgsExpression *	parent,
		const QgsFields &	fields
	)		[virtual]

Implements QgsExpression::Node.

Definition at line 2251 of file qgsexpression.cpp.

References QgsFields::count(), QgsExpression::mEvalErrorString, and tr.

virtual QStringList QgsExpression::NodeColumnRef::referencedColumns

(

)

const [inline, virtual]

Implements QgsExpression::Node.

Definition at line 528 of file qgsexpression.h.

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Member Data Documentation

int QgsExpression::NodeColumnRef::mIndex [protected]

Definition at line 534 of file qgsexpression.h.

QString QgsExpression::NodeColumnRef::mName [protected]

Definition at line 533 of file qgsexpression.h.

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

• src/core/qgsexpression.h
• src/core/qgsexpression.cpp