QgsVectorJoinInfo Struct Reference

#include <qgsvectorlayer.h>

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

Detailed Description

Note

added in 1.7

Definition at line 162 of file qgsvectorlayer.h.

Member Data Documentation

QHash< QString, QgsAttributes> QgsVectorJoinInfo::cachedAttributes

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

Note

not available in python bindings

Definition at line 175 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerFeatureIterator::addJoinedAttributes(), QgsVectorLayerFeatureIterator::FetchJoinInfo::addJoinedAttributesCached(), and QgsVectorLayerJoinBuffer::cacheJoinLayer().

int QgsVectorJoinInfo::joinFieldIndex

Join field index in the source layer.

For backward compatibility with 1.x (x>=7)

Definition at line 180 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::cacheJoinLayer(), QgsVectorLayerFeatureIterator::prepareJoins(), and QgsVectorLayerJoinBuffer::readXml().

QString QgsVectorJoinInfo::joinFieldName

Join field in the source layer.

Definition at line 169 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::cacheJoinLayer(), QgsVectorLayerFeatureIterator::prepareJoins(), and QgsVectorLayerJoinBuffer::readXml().

QString QgsVectorJoinInfo::joinLayerId

Source layer.

Definition at line 167 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerJoinBuffer::cacheJoinLayer(), QgsVectorLayer::maximumValue(), QgsVectorLayer::minimumValue(), QgsVectorLayerFeatureIterator::prepareJoins(), QgsVectorLayerJoinBuffer::readXml(), and QgsVectorLayer::uniqueValues().

bool QgsVectorJoinInfo::memoryCache

True if the join is cached in virtual memory.

Definition at line 171 of file qgsvectorlayer.h.

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

int QgsVectorJoinInfo::targetFieldIndex

Join field index in the target layer.

For backward compatibility with 1.x (x>=7)

Definition at line 178 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerFeatureIterator::prepareJoins(), and QgsVectorLayerJoinBuffer::readXml().

QString QgsVectorJoinInfo::targetFieldName

Join field in the target layer.

Definition at line 165 of file qgsvectorlayer.h.

Referenced by QgsVectorLayerFeatureIterator::prepareJoins(), and QgsVectorLayerJoinBuffer::readXml().

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

• /tmp/buildd/qgis-2.2.0+wheezy1/src/core/qgsvectorlayer.h