Class: QgsFeatureIterator¶
- class qgis.core.QgsFeatureIterator¶
Bases:
sip.wrapper
Wrapper for iterator of features from vector data provider or vector layer
QgsFeatureIterator() Construct invalid iterator
QgsFeatureIterator(iter:
QgsAbstractFeatureIterator
) Construct a valid iteratorQgsFeatureIterator(fi:
QgsFeatureIterator
) Copy constructor copies the iterator, increases ref.countMethods
- rtype
bool
Indicator if there was an error when sending the compiled query to the server.
Returns the status of expression compilation for filter expression requests.
find out whether the iterator is still valid or closed already
Will return if this iterator is valid.
- param f
- rtype
bool
- close(self) bool ¶
- Return type
bool
- compileFailed(self) bool ¶
Indicator if there was an error when sending the compiled query to the server. This indicates that there is something wrong with the expression compiler.
New in version 3.2.
- Return type
bool
- compileStatus(self) QgsAbstractFeatureIterator.CompileStatus ¶
Returns the status of expression compilation for filter expression requests.
New in version 2.16.
- Return type
- isClosed(self) bool ¶
find out whether the iterator is still valid or closed already
- Return type
bool
- isValid(self) bool ¶
Will return if this iterator is valid. An invalid iterator was probably introduced by a failed attempt to acquire a connection or is a default constructed iterator.
See also
New in version 3.0.
- Return type
bool
- nextFeature(self, f: QgsFeature) bool ¶
- Parameters
f (QgsFeature) –
- Return type
bool
- rewind(self) bool ¶
- Return type
bool