Subgroup: Expression

Class: QgsExpressionNodeColumnRef

class qgis.core.QgsExpressionNodeColumnRef(name: str)

Bases: qgis._core.QgsExpressionNode

QgsExpressionNodeColumnRef(QgsExpressionNodeColumnRef)

Methods

clone
dump
eval	Evaluate this node with the given context and parent.
evalNode
isStatic
name	The name of the column.
needsGeometry
nodeType
prepare	Prepare this node for evaluation.
prepareNode
referencedColumns
referencedVariables

Attributes

ntBinaryOperator
ntColumnRef
ntCondition
ntFunction
ntInOperator
ntLiteral
ntUnaryOperator

clone(self) → QgsExpressionNode

dump(self) → str

evalNode(self, parent: QgsExpression, context: QgsExpressionContext) → Any

isStatic(self, parent: QgsExpression, context: QgsExpressionContext) → bool

name(self) → str

The name of the column.

needsGeometry(self) → bool

nodeType(self) → QgsExpressionNode.NodeType

prepareNode(self, parent: QgsExpression, context: QgsExpressionContext) → bool

referencedColumns(self) → Set[str]

referencedVariables(self) → Set[str]