QGIS API Documentation  2.8.2-Wien
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Groups Pages
Public Member Functions | Protected Attributes | List of all members
QgsExpression::NodeColumnRef Class Reference

#include <qgsexpression.h>

Inheritance diagram for QgsExpression::NodeColumnRef:
Inheritance graph
[legend]

Public Member Functions

 NodeColumnRef (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 578 of file qgsexpression.h.

Constructor & Destructor Documentation

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

Definition at line 581 of file qgsexpression.h.

Member Function Documentation

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

Implements QgsExpression::Node.

Definition at line 593 of file qgsexpression.h.

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

Implements QgsExpression::Node.

Definition at line 2733 of file qgsexpression.cpp.

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

Implements QgsExpression::Node.

Definition at line 2706 of file qgsexpression.cpp.

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

Definition at line 583 of file qgsexpression.h.

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

Implements QgsExpression::Node.

Definition at line 591 of file qgsexpression.h.

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

Implements QgsExpression::Node.

Definition at line 585 of file qgsexpression.h.

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

Implements QgsExpression::Node.

Definition at line 2718 of file qgsexpression.cpp.

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

Implements QgsExpression::Node.

Definition at line 590 of file qgsexpression.h.

Member Data Documentation

int QgsExpression::NodeColumnRef::mIndex
protected

Definition at line 597 of file qgsexpression.h.

QString QgsExpression::NodeColumnRef::mName
protected

Definition at line 596 of file qgsexpression.h.


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