QgsSQLStatement::NodeJoin Class Reference

Join definition. More...

#include <qgssqlstatement.h>

Inheritance diagram for QgsSQLStatement::NodeJoin:

Public Member Functions
	NodeJoin (QgsSQLStatement::NodeTableDef *tabledef, const QList< QString > &usingColumns, QgsSQLStatement::JoinType type)
	Constructor with table definition and USING columns.
	NodeJoin (QgsSQLStatement::NodeTableDef *tabledef, QgsSQLStatement::Node *onExpr, QgsSQLStatement::JoinType type)
	Constructor with table definition, ON expression.
	~NodeJoin () override
void	accept (QgsSQLStatement::Visitor &v) const override
	Support the visitor pattern.
QgsSQLStatement::Node *	clone () const override
	Generate a clone of this node.
QgsSQLStatement::NodeJoin *	cloneThis () const
	Clone with same type return.
QString	dump () const override
	Abstract virtual dump method.
QgsSQLStatement::NodeType	nodeType () const override
	Abstract virtual that returns the type of this node.
QgsSQLStatement::Node *	onExpr () const
	On expression. Will be nullptr if usingColumns() is not empty.
QgsSQLStatement::NodeTableDef *	tableDef () const
	Table definition.
QgsSQLStatement::JoinType	type () const
	Join type.
QList< QString >	usingColumns () const
	Columns referenced by USING.
Public Member Functions inherited from QgsSQLStatement::Node
virtual	~Node ()=default

Protected Attributes
Node *	mOnExpr = nullptr
NodeTableDef *	mTableDef = nullptr
JoinType	mType
QList< QString >	mUsingColumns

Detailed Description

Join definition.

Definition at line 668 of file qgssqlstatement.h.

Constructor & Destructor Documentation

NodeJoin() [1/2]

QgsSQLStatement::NodeJoin::NodeJoin ( QgsSQLStatement::NodeTableDef *  tabledef, QgsSQLStatement::Node *  onExpr, QgsSQLStatement::JoinType  type  )

inline

Constructor with table definition, ON expression.

Definition at line 672 of file qgssqlstatement.h.

NodeJoin() [2/2]

QgsSQLStatement::NodeJoin::NodeJoin ( QgsSQLStatement::NodeTableDef *  tabledef, const QList< QString > &  usingColumns, QgsSQLStatement::JoinType  type  )

inline

Constructor with table definition and USING columns.

Definition at line 674 of file qgssqlstatement.h.

~NodeJoin()

QgsSQLStatement::NodeJoin::~NodeJoin ( )

inlineoverride

Definition at line 675 of file qgssqlstatement.h.

Member Function Documentation

accept()

void QgsSQLStatement::NodeJoin::accept ( QgsSQLStatement::Visitor &  v ) const

inlineoverridevirtual

Support the visitor pattern.

For any implementation this should look like

C++:

v.visit( *this );

Python:

v.visit( self)

Parameters

v	A visitor that visits this node.

Implements QgsSQLStatement::Node.

Definition at line 692 of file qgssqlstatement.h.

clone()

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

overridevirtual

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.

Returns

a deep copy of this node.

Implements QgsSQLStatement::Node.

Definition at line 720 of file qgssqlstatement.cpp.

cloneThis()

QgsSQLStatement::NodeJoin * QgsSQLStatement::NodeJoin::cloneThis

(

)

const

Clone with same type return.

Definition at line 725 of file qgssqlstatement.cpp.

dump()

QString QgsSQLStatement::NodeJoin::dump ( ) const

overridevirtual

Abstract virtual dump method.

Returns

A statement which represents this node as string

Implements QgsSQLStatement::Node.

Definition at line 688 of file qgssqlstatement.cpp.

nodeType()

QgsSQLStatement::NodeType QgsSQLStatement::NodeJoin::nodeType ( ) const

inlineoverridevirtual

Abstract virtual that returns the type of this node.

Returns

The type of this node

Implements QgsSQLStatement::Node.

Definition at line 689 of file qgssqlstatement.h.

onExpr()

QgsSQLStatement::Node * QgsSQLStatement::NodeJoin::onExpr ( ) const

inline

On expression. Will be nullptr if usingColumns() is not empty.

Definition at line 681 of file qgssqlstatement.h.

tableDef()

QgsSQLStatement::NodeTableDef * QgsSQLStatement::NodeJoin::tableDef ( ) const

inline

Table definition.

Definition at line 678 of file qgssqlstatement.h.

type()

QgsSQLStatement::JoinType QgsSQLStatement::NodeJoin::type ( ) const

inline

Join type.

Definition at line 687 of file qgssqlstatement.h.

usingColumns()

QList< QString > QgsSQLStatement::NodeJoin::usingColumns ( ) const

inline

Columns referenced by USING.

Definition at line 684 of file qgssqlstatement.h.

Member Data Documentation

mOnExpr

Node* QgsSQLStatement::NodeJoin::mOnExpr = nullptr

protected

Definition at line 699 of file qgssqlstatement.h.

mTableDef

NodeTableDef* QgsSQLStatement::NodeJoin::mTableDef = nullptr

protected

Definition at line 698 of file qgssqlstatement.h.

mType

JoinType QgsSQLStatement::NodeJoin::mType

protected

Definition at line 701 of file qgssqlstatement.h.

mUsingColumns

QList<QString> QgsSQLStatement::NodeJoin::mUsingColumns

protected

Definition at line 700 of file qgssqlstatement.h.

---

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

• /home/fischer/src/qgis-3.38/src/core/qgssqlstatement.h
• /home/fischer/src/qgis-3.38/src/core/qgssqlstatement.cpp