| QGIS API Documentation 3.28.0-Firenze (ed3ad0430f)
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#include "qgis_core.h"#include "qgsstatisticalsummary.h"#include "qgsdatetimestatisticalsummary.h"#include "qgsstringstatisticalsummary.h"#include "qgsfeaturerequest.h"#include <QVariant>#include "qgsfeatureid.h"

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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... | |