QGIS API Documentation  3.21.0-Master (909859188c)
Classes
qgspolymorphicrelation.h File Reference
#include <QList>
#include <QDomNode>
#include <QPair>
#include "qgis_core.h"
#include "qgsfields.h"
#include "qgsreadwritecontext.h"
#include "qgsrelationcontext.h"
#include "qgsrelation.h"
#include "qgis_sip.h"
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Classes

class  QgsPolymorphicRelation
 A polymorphic relation consists of the same properties like a normal relation except for the referenced layer which is calculated based on one or several fields of the referencing layer. More...