QGIS API Documentation
3.6.0-Noosa (5873452)
|
Reference to a column. More...
#include <qgssqlstatement.h>
Public Member Functions | |
NodeColumnRef (const QString &name, bool star) | |
Constructor with column name only. More... | |
NodeColumnRef (const QString &tableName, const QString &name, bool star) | |
Constructor with table and column name. More... | |
void | accept (QgsSQLStatement::Visitor &v) const override |
Support the visitor pattern. More... | |
QgsSQLStatement::Node * | clone () const override |
Generate a clone of this node. More... | |
QgsSQLStatement::NodeColumnRef * | cloneThis () const |
Clone with same type return. More... | |
bool | distinct () const |
Whether this is prefixed by DISTINCT. More... | |
QString | dump () const override |
Abstract virtual dump method. More... | |
QString | name () const |
The name of the column. More... | |
QgsSQLStatement::NodeType | nodeType () const override |
Abstract virtual that returns the type of this node. More... | |
void | setDistinct (bool distinct=true) |
Sets whether this is prefixed by DISTINCT. More... | |
bool | star () const |
Whether this is the * column. More... | |
QString | tableName () const |
The name of the table. May be empty. More... | |
Public Member Functions inherited from QgsSQLStatement::Node | |
virtual | ~Node ()=default |
Protected Attributes | |
bool | mDistinct |
QString | mName |
bool | mStar |
QString | mTableName |
Reference to a column.
Definition at line 504 of file qgssqlstatement.h.
|
inline |
Constructor with column name only.
Definition at line 508 of file qgssqlstatement.h.
|
inline |
Constructor with table and column name.
Definition at line 510 of file qgssqlstatement.h.
|
inlineoverridevirtual |
Support the visitor pattern.
For any implementation this should look like
C++:
v.visit( *this );
Python:
v.visit( self)
v | A visitor that visits this node. |
Implements QgsSQLStatement::Node.
Definition at line 530 of file qgssqlstatement.h.
|
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 498 of file qgssqlstatement.cpp.
QgsSQLStatement::NodeColumnRef * QgsSQLStatement::NodeColumnRef::cloneThis | ( | ) | const |
Clone with same type return.
Definition at line 503 of file qgssqlstatement.cpp.
|
inline |
Whether this is prefixed by DISTINCT.
Definition at line 525 of file qgssqlstatement.h.
|
overridevirtual |
Abstract virtual dump method.
Implements QgsSQLStatement::Node.
Definition at line 484 of file qgssqlstatement.cpp.
|
inline |
The name of the column.
Definition at line 519 of file qgssqlstatement.h.
|
inlineoverridevirtual |
Abstract virtual that returns the type of this node.
Implements QgsSQLStatement::Node.
Definition at line 527 of file qgssqlstatement.h.
|
inline |
Sets whether this is prefixed by DISTINCT.
Definition at line 513 of file qgssqlstatement.h.
|
inline |
Whether this is the * column.
Definition at line 522 of file qgssqlstatement.h.
|
inline |
The name of the table. May be empty.
Definition at line 516 of file qgssqlstatement.h.
|
protected |
Definition at line 538 of file qgssqlstatement.h.
|
protected |
Definition at line 537 of file qgssqlstatement.h.
|
protected |
Definition at line 539 of file qgssqlstatement.h.
|
protected |
Definition at line 536 of file qgssqlstatement.h.