QgsVectorJoinInfo Struct Reference

#include <qgsvectorlayer.h>

List of all members.

Public Attributes
int	targetField
	Join field in the target layer.
QString	joinLayerId
	Source layer.
int	joinField
	Join field in the source layer.
bool	memoryCache
	True if the join is cached in virtual memory.
QHash< QString, QgsAttributeMap >	cachedAttributes
	Cache for joined attributes to provide fast lookup (size is 0 if no memory caching)

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Detailed Description

Note:

added in 1.7

Definition at line 57 of file qgsvectorlayer.h.

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Member Data Documentation

QHash< QString, QgsAttributeMap> QgsVectorJoinInfo::cachedAttributes

Cache for joined attributes to provide fast lookup (size is 0 if no memory caching)

Definition at line 68 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::addJoinedFeatureAttributes(), QgsVectorLayer::addJoinedFeatureAttributes(), and QgsVectorLayerJoinBuffer::cacheJoinLayer().

int QgsVectorJoinInfo::joinField

Join field in the source layer.

Definition at line 64 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::addJoinedFeatureAttributes(), QgsVectorLayerJoinBuffer::cacheJoinLayer(), and QgsVectorLayerJoinBuffer::readXml().

QString QgsVectorJoinInfo::joinLayerId

Source layer.

Definition at line 62 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::addJoinedFeatureAttributes(), QgsVectorLayer::addJoinedFeatureAttributes(), QgsVectorLayerJoinBuffer::cacheJoinLayer(), QgsVectorLayer::maximumValue(), QgsVectorLayer::minimumValue(), QgsVectorLayerJoinBuffer::readXml(), QgsVectorLayerJoinBuffer::select(), and QgsVectorLayer::uniqueValues().

bool QgsVectorJoinInfo::memoryCache

True if the join is cached in virtual memory.

Definition at line 66 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::addJoin(), QgsVectorLayerJoinBuffer::cacheJoinLayer(), and QgsVectorLayerJoinBuffer::readXml().

int QgsVectorJoinInfo::targetField

Join field in the target layer.

Definition at line 60 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::readXml(), and QgsVectorLayerJoinBuffer::select().

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The documentation for this struct was generated from the following file:

• src/core/qgsvectorlayer.h