QGIS API Documentation  2.9.0-Master
Public Member Functions | Protected Attributes | List of all members
QgsExpression::NodeColumnRef Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeColumnRef:
Inheritance graph
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Public Member Functions

 NodeColumnRef (const QString &name)
 
virtual void accept (Visitor &v) const override
 
virtual QString dump () const override
 
virtual QVariant eval (QgsExpression *parent, const QgsFeature *f) override
 
QString name () const
 
virtual bool needsGeometry () const override
 
virtual NodeType nodeType () const override
 
virtual bool prepare (QgsExpression *parent, const QgsFields &fields) override
 
virtual QStringList referencedColumns () const override
 
- Public Member Functions inherited from QgsExpression::Node
virtual ~Node ()
 

Protected Attributes

int mIndex
 
QString mName
 

Detailed Description

Definition at line 593 of file qgsexpression.h.

Constructor & Destructor Documentation

QgsExpression::NodeColumnRef::NodeColumnRef ( const QString &  name)
inline

Definition at line 596 of file qgsexpression.h.

Member Function Documentation

virtual void QgsExpression::NodeColumnRef::accept ( Visitor v) const
inlineoverridevirtual

Implements QgsExpression::Node.

Definition at line 608 of file qgsexpression.h.

QString QgsExpression::NodeColumnRef::dump ( ) const
overridevirtual

Implements QgsExpression::Node.

Definition at line 2749 of file qgsexpression.cpp.

QVariant QgsExpression::NodeColumnRef::eval ( QgsExpression parent,
const QgsFeature f 
)
overridevirtual

Implements QgsExpression::Node.

Definition at line 2722 of file qgsexpression.cpp.

QString QgsExpression::NodeColumnRef::name ( ) const
inline

Definition at line 598 of file qgsexpression.h.

virtual bool QgsExpression::NodeColumnRef::needsGeometry ( ) const
inlineoverridevirtual

Implements QgsExpression::Node.

Definition at line 606 of file qgsexpression.h.

virtual NodeType QgsExpression::NodeColumnRef::nodeType ( ) const
inlineoverridevirtual

Implements QgsExpression::Node.

Definition at line 600 of file qgsexpression.h.

bool QgsExpression::NodeColumnRef::prepare ( QgsExpression parent,
const QgsFields fields 
)
overridevirtual

Implements QgsExpression::Node.

Definition at line 2734 of file qgsexpression.cpp.

virtual QStringList QgsExpression::NodeColumnRef::referencedColumns ( ) const
inlineoverridevirtual

Implements QgsExpression::Node.

Definition at line 605 of file qgsexpression.h.

Member Data Documentation

int QgsExpression::NodeColumnRef::mIndex
protected

Definition at line 612 of file qgsexpression.h.

QString QgsExpression::NodeColumnRef::mName
protected

Definition at line 611 of file qgsexpression.h.


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