Subgroup: Expression

Class: QgsExpressionNodeLiteral

class qgis.core.QgsExpressionNodeLiteral(value: Any)

Bases: qgis._core.QgsExpressionNode

QgsExpressionNodeLiteral(QgsExpressionNodeLiteral)

Methods

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

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

needsGeometry(self) → bool

nodeType(self) → QgsExpressionNode.NodeType

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

referencedColumns(self) → Set[str]

referencedVariables(self) → Set[str]

value(self) → Any

The value of the literal.