class ExpressionResolutionContext extends AnyRef
The ExpressionResolutionContext is a state that is propagated between the nodes of the expression tree during the bottom-up expression resolution process. This way we pass the results of ExpressionResolver.resolve call, which are not the resolved child itself, from children to parents.
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- new ExpressionResolutionContext(hasAggregateExpressionsInASubtree: Boolean = false, hasAttributeInASubtree: Boolean = false, hasLateralColumnAlias: Boolean = false)
- hasAggregateExpressionsInASubtree
A flag that highlights that a specific node corresponding to ExpressionResolutionContext has aggregate expressions in its subtree.
- hasAttributeInASubtree
A flag that highlights that a specific node corresponding to ExpressionResolutionContext has attributes in its subtree.
- hasLateralColumnAlias
A flag that highlights that a specific node corresponding to ExpressionResolutionContext has LCA in its subtree.
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- var hasAggregateExpressionsInASubtree: Boolean
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- def merge(other: ExpressionResolutionContext): Unit
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(Since version 9)