Class: QgsExpressionNodeIndexOperator¶
-
class
qgis.core.
QgsExpressionNodeIndexOperator
(container: QgsExpressionNode, index: QgsExpressionNode)¶ Bases:
QgsExpressionNode
Constructor for QgsExpressionNodeIndexOperator.
QgsExpressionNodeIndexOperator(
QgsExpressionNodeIndexOperator
)A indexing expression operator, which allows use of square brackets [] to reference map and array items.
New in version 3.6.
- Parameters
container (QgsExpressionNode) –
index –
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clone
(self) → QgsExpressionNode¶ - Return type
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container
(self) → QgsExpressionNode¶ Returns the container node, representing an array or map value.
See also
- Return type
-
dump
(self) → str¶ - Return type
str
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evalNode
(self, parent: QgsExpression, context: QgsExpressionContext) → Any¶ - Parameters
parent (QgsExpression) –
context (QgsExpressionContext) –
- Return type
Any
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index
(self) → QgsExpressionNode¶ Returns the index node, representing an array element index or map key.
See also
- Return type
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isStatic
(self, parent: QgsExpression, context: QgsExpressionContext) → bool¶ - Parameters
parent (QgsExpression) –
context (QgsExpressionContext) –
- Return type
bool
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needsGeometry
(self) → bool¶ - Return type
bool
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nodeType
(self) → QgsExpressionNode.NodeType¶ - Return type
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prepareNode
(self, parent: QgsExpression, context: QgsExpressionContext) → bool¶ - Parameters
parent (QgsExpression) –
context (QgsExpressionContext) –
- Return type
bool
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referencedColumns
(self) → Set[str]¶ - Return type
Set[str]
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referencedFunctions
(self) → Set[str]¶ - Return type
Set[str]
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referencedVariables
(self) → Set[str]¶ - Return type
Set[str]