[processing] Select by expression/attribute can run on geometryless layers

Author: nyalldawson

python/plugins/processing/algs/qgis/SelectByAttribute.py

@@ -27,6 +27,7 @@
 
 from qgis.PyQt.QtCore import QVariant
 from qgis.core import (QgsExpression,
+                       QgsProcessing,
                        QgsProcessingException,
                        QgsProcessingAlgorithm,
                        QgsProcessingParameterVectorLayer,
@@ -89,7 +90,7 @@ def initAlgorithm(self, config=None):
                                self.tr('does not contain')
                                ]
 
-        self.addParameter(QgsProcessingParameterVectorLayer(self.INPUT, self.tr('Input layer')))
+        self.addParameter(QgsProcessingParameterVectorLayer(self.INPUT, self.tr('Input layer'), types=[QgsProcessing.TypeVector]))
 
         self.addParameter(QgsProcessingParameterField(self.FIELD,
                                                       self.tr('Selection attribute'), parentLayerParameterName=self.INPUT))

python/plugins/processing/algs/qgis/SelectByExpression.py

@@ -25,6 +25,7 @@
 __revision__ = '$Format:%H$'
 
 from qgis.core import (QgsExpression,
+                       QgsProcessing,
                        QgsVectorLayer,
                        QgsProcessingAlgorithm,
                        QgsProcessingException,
@@ -60,7 +61,7 @@ def initAlgorithm(self, config=None):
                         self.tr('removing from current selection'),
                         self.tr('selecting within current selection')]
 
-        self.addParameter(QgsProcessingParameterVectorLayer(self.INPUT, self.tr('Input layer')))
+        self.addParameter(QgsProcessingParameterVectorLayer(self.INPUT, self.tr('Input layer'), types=[QgsProcessing.TypeVector]))
 
         self.addParameter(QgsProcessingParameterExpression(self.EXPRESSION,
                                                            self.tr('Expression'), parentLayerParameterName=self.INPUT))