class SubqueryRegistry extends AnyRef
The SubqueryRegistry manages the stack of SubqueryScopes during the resolution of the whole SQL query. Every new SubqueryScope has its own isolated scope.
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- new SubqueryRegistry()
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- def currentScope: SubqueryScope
Get the current SubqueryScope.
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- def popScope(): Unit
- def pushScope(parentOperator: LogicalPlan, autoGeneratedAliasProvider: AutoGeneratedAliasProvider): Unit
Push a new scope to the stack.
Push a new scope to the stack. This is used by the SubqueryExpressionResolver to create a new scope for each SubqueryExpression.
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(Since version 9)