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This commit is contained in:
Nyall Dawson 2017-03-20 12:26:22 +10:00
parent 0ed1414885
commit 4b041d6f9e
1 changed files with 8 additions and 4 deletions
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12
src/core/qgsvectordataprovider.h
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@ -260,14 +260,16 @@ class CORE_EXPORT QgsVectorDataProvider : public QgsDataProvider
virtual bool truncate();
/**
* Adds new attributes
* @param attributes list of new attributes
* @return true in case of success and false in case of failure
* Adds new \a attributes to the provider. Returns true in case of success and false in case of failure.
* If attributes are added using this method then QgsVectorLayer::updateFields() must be called
* manually to ensure that the layer's field are correctly reported.
*/
virtual bool addAttributes( const QList<QgsField> &attributes );
/**
* Deletes existing attributes
* Deletes existing \a attributes from the provider.
* If attributes are deleted using this method then QgsVectorLayer::updateFields() must be called
* manually to ensure that the layer's field are correctly reported.
* @param attributes a set containing indices of attributes
* @return true in case of success and false in case of failure
*/
@ -275,6 +277,8 @@ class CORE_EXPORT QgsVectorDataProvider : public QgsDataProvider
/**
* Renames existing attributes.
* If attributes are renamed using this method then QgsVectorLayer::updateFields() must be called
* manually to ensure that the layer's field are correctly reported.
* @param renamedAttributes map of attribute index to new attribute name
* @return true in case of success and false in case of failure
* @note added in QGIS 2.16