QGIS API Documentation  3.4.15-Madeira (e83d02e274)
Classes
qgsaggregatecalculator.h File Reference
#include "qgis_core.h"
#include "qgsstatisticalsummary.h"
#include "qgsdatetimestatisticalsummary.h"
#include "qgsstringstatisticalsummary.h"
#include <QVariant>
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Classes

struct  QgsAggregateCalculator::AggregateInfo
 Structured information about the available aggregates. More...
 
struct  QgsAggregateCalculator::AggregateParameters
 A bundle of parameters controlling aggregate calculation. More...
 
class  QgsAggregateCalculator
 Utility class for calculating aggregates for a field (or expression) over the features from a vector layer. More...