QGIS API Documentation  3.16.0-Hannover (43b64b13f3)
Public Member Functions | Protected Attributes | List of all members
QgsSQLStatement::NodeColumnSorted Class Reference

Column in a ORDER BY. More...

#include <qgssqlstatement.h>

Inheritance diagram for QgsSQLStatement::NodeColumnSorted:
Inheritance graph

Public Member Functions

 NodeColumnSorted (QgsSQLStatement::NodeColumnRef *column, bool asc)
 Constructor. More...
 ~NodeColumnSorted () override
void accept (QgsSQLStatement::Visitor &v) const override
 Support the visitor pattern. More...
bool ascending () const
 Whether the column is sorted in ascending order. More...
QgsSQLStatement::Nodeclone () const override
 Generate a clone of this node. More...
QgsSQLStatement::NodeColumnSortedcloneThis () const
 Clone with same type return. More...
QgsSQLStatement::NodeColumnRefcolumn () const
 The name of the column. More...
QString dump () const override
 Abstract virtual dump method. More...
QgsSQLStatement::NodeType nodeType () const override
 Abstract virtual that returns the type of this node. More...
- Public Member Functions inherited from QgsSQLStatement::Node
virtual ~Node ()=default

Protected Attributes

bool mAsc
NodeColumnRefmColumn = nullptr

Detailed Description

Column in a ORDER BY.

Definition at line 695 of file qgssqlstatement.h.

Constructor & Destructor Documentation

◆ NodeColumnSorted()

QgsSQLStatement::NodeColumnSorted::NodeColumnSorted ( QgsSQLStatement::NodeColumnRef column,
bool  asc 


Definition at line 699 of file qgssqlstatement.h.

◆ ~NodeColumnSorted()

QgsSQLStatement::NodeColumnSorted::~NodeColumnSorted ( )

Definition at line 700 of file qgssqlstatement.h.

Member Function Documentation

◆ accept()

void QgsSQLStatement::NodeColumnSorted::accept ( QgsSQLStatement::Visitor v) const

Support the visitor pattern.

For any implementation this should look like


v.visit( *this );


v.visit( self)
vA visitor that visits this node.

Implements QgsSQLStatement::Node.

Definition at line 711 of file qgssqlstatement.h.

◆ ascending()

bool QgsSQLStatement::NodeColumnSorted::ascending ( ) const

Whether the column is sorted in ascending order.

Definition at line 706 of file qgssqlstatement.h.

◆ clone()

QgsSQLStatement::Node * QgsSQLStatement::NodeColumnSorted::clone ( ) const

Generate a clone of this node.

Make sure that the clone does not contain any information which is generated in prepare and context related. Ownership is transferred to the caller.

a deep copy of this node.

Implements QgsSQLStatement::Node.

Definition at line 736 of file qgssqlstatement.cpp.

◆ cloneThis()

QgsSQLStatement::NodeColumnSorted * QgsSQLStatement::NodeColumnSorted::cloneThis ( ) const

Clone with same type return.

Definition at line 741 of file qgssqlstatement.cpp.

◆ column()

QgsSQLStatement::NodeColumnRef* QgsSQLStatement::NodeColumnSorted::column ( ) const

The name of the column.

Definition at line 703 of file qgssqlstatement.h.

◆ dump()

QString QgsSQLStatement::NodeColumnSorted::dump ( ) const

Abstract virtual dump method.

A statement which represents this node as string

Implements QgsSQLStatement::Node.

Definition at line 727 of file qgssqlstatement.cpp.

◆ nodeType()

QgsSQLStatement::NodeType QgsSQLStatement::NodeColumnSorted::nodeType ( ) const

Abstract virtual that returns the type of this node.

The type of this node

Implements QgsSQLStatement::Node.

Definition at line 708 of file qgssqlstatement.h.

Member Data Documentation

◆ mAsc

bool QgsSQLStatement::NodeColumnSorted::mAsc

Definition at line 718 of file qgssqlstatement.h.

◆ mColumn

NodeColumnRef* QgsSQLStatement::NodeColumnSorted::mColumn = nullptr

Definition at line 717 of file qgssqlstatement.h.

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