QGIS API Documentation 3.40.0-Bratislava (b56115d8743)
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Join definition. More...
#include <qgssqlstatement.h>
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 |
Join definition.
Definition at line 665 of file qgssqlstatement.h.
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inline |
Constructor with table definition, ON expression.
Definition at line 669 of file qgssqlstatement.h.
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inline |
Constructor with table definition and USING columns.
Definition at line 671 of file qgssqlstatement.h.
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inlineoverride |
Definition at line 672 of file qgssqlstatement.h.
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inlineoverridevirtual |
Support the visitor pattern.
For any implementation this should look like
v | A visitor that visits this node. |
Implements QgsSQLStatement::Node.
Definition at line 689 of file qgssqlstatement.h.
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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.
Implements QgsSQLStatement::Node.
Definition at line 720 of file qgssqlstatement.cpp.
QgsSQLStatement::NodeJoin * QgsSQLStatement::NodeJoin::cloneThis | ( | ) | const |
Clone with same type return.
Definition at line 725 of file qgssqlstatement.cpp.
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overridevirtual |
Abstract virtual dump method.
Implements QgsSQLStatement::Node.
Definition at line 688 of file qgssqlstatement.cpp.
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inlineoverridevirtual |
Abstract virtual that returns the type of this node.
Implements QgsSQLStatement::Node.
Definition at line 686 of file qgssqlstatement.h.
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inline |
On expression. Will be nullptr
if usingColumns() is not empty.
Definition at line 678 of file qgssqlstatement.h.
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inline |
Table definition.
Definition at line 675 of file qgssqlstatement.h.
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inline |
Join type.
Definition at line 684 of file qgssqlstatement.h.
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inline |
Columns referenced by USING.
Definition at line 681 of file qgssqlstatement.h.
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protected |
Definition at line 696 of file qgssqlstatement.h.
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protected |
Definition at line 695 of file qgssqlstatement.h.
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protected |
Definition at line 698 of file qgssqlstatement.h.
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protected |
Definition at line 697 of file qgssqlstatement.h.