Subgroup: Expression

Class: QgsExpressionNodeLiteral

class qgis.core.QgsExpressionNodeLiteral(value: Any)

Bases: qgis._core.QgsExpressionNode

Constructor for QgsExpressionNodeLiteral, with the specified literal value.

QgsExpressionNodeLiteral(QgsExpressionNodeLiteral)

An expression node for literal values.

Methods

clone
dump
evalNode
isStatic
nodeType
prepareNode
referencedColumns
referencedFunctions
referencedVariables
value	The value of the literal.

Signals

Attributes

clone(self) → QgsExpressionNode

dump(self) → str

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

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

nodeType(self) → QgsExpressionNode.NodeType

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

referencedColumns(self) → Set[str]

referencedFunctions(self) → Set[str]

referencedVariables(self) → Set[str]

value(self) → Any

The value of the literal.