Class: QgsFeatureFilter

A feature filter provider allowing to set filter expressions on a per-layer basis.

Class Hierarchy

Base classes

QgsFeatureFilterProvider

Abstract interface for use by classes that filter the features or attributes of a layer.

Methods

clone	Returns a clone of the object
filterFeatures	Filter the features of the layer
setFilter	Set a filter for the given layer.

class qgis.server.QgsFeatureFilter

Bases: QgsFeatureFilterProvider

__init__()

Constructor

__init__(a0: QgsFeatureFilter)

Parameters:

a0 (QgsFeatureFilter)

clone(self) → QgsFeatureFilterProvider | None

Returns a clone of the object

Return type:

Optional[QgsFeatureFilterProvider]

Returns:

A clone

filterFeatures(self, layer: QgsVectorLayer | None, filterFeatures: QgsFeatureRequest)

Filter the features of the layer

Parameters:

• layer (Optional[QgsVectorLayer]) – the layer to control

• filterFeatures (QgsFeatureRequest) – the request to fill

setFilter(self, layer: QgsVectorLayer | None, expression: QgsExpression)

Set a filter for the given layer.

Parameters:

• layer (Optional[QgsVectorLayer]) – the layer to filter

• expression (QgsExpression) – the filter expression