Subgroup: Cached

Class: QgsCachedFeatureIterator¶

class qgis.core.QgsCachedFeatureIterator¶

Bases: qgis._core.QgsAbstractFeatureIterator

Delivers features from the cache

Methods

close Close this iterator.

compileStatus Returns the status of expression compilation for filter expression requests.

deref

fetchFeature Implementation for fetching a feature.

filterRectToSourceCrs

geometryToDestinationCrs

isValid Returns if this iterator is valid.

nextFeature fetch next feature, return true on success

nextFeatureFilterExpression

nextFeatureFilterFids We have a local special iterator for FilterFids, no need to run the generic.

prepareSimplification

ref

rewind Rewind to the beginning of the iterator

Attributes

Compiled

NoCompilation

PartiallyCompiled

close(self) → bool¶

Close this iterator. No further features will be available.

Returns:	true if successful

deref()¶

fetchFeature(self, f: QgsFeature) → bool¶

Implementation for fetching a feature.

Parameters:	f – Will write to this feature
Returns:	bool true if the operation was OK

See also

bool()

filterRectToSourceCrs()¶

geometryToDestinationCrs()¶

nextFeatureFilterExpression()¶

nextFeatureFilterFids(self, f: QgsFeature) → bool¶

We have a local special iterator for FilterFids, no need to run the generic.

Parameters:	f – Will write to this feature
Returns:	bool true if the operation was OK

prepareSimplification()¶

ref()¶

rewind(self) → bool¶

Rewind to the beginning of the iterator

Returns:	bool true if the operation was OK