cloud-fan commented on code in PR #49442:
URL: https://github.com/apache/spark/pull/49442#discussion_r1913177563
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/parameters.scala:
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@@ -176,15 +162,18 @@ object BindParameters extends ParameterizedQueryProcessor
with QueryErrorsBase {
}
}
- private def bind(p: LogicalPlan)(f: PartialFunction[Expression,
Expression]): LogicalPlan = {
- p.resolveExpressionsWithPruning(_.containsPattern(PARAMETER)) (f orElse {
- case sub: SubqueryExpression => sub.withNewPlan(bind(sub.plan)(f))
- })
+ private def bind(p0: LogicalPlan)(f: PartialFunction[Expression,
Expression]): LogicalPlan = {
+ var stop = false
+ p0.resolveOperatorsDownWithPruning(_.containsPattern(PARAMETER) && !stop) {
+ case p1 =>
+ stop = p1.isInstanceOf[ParameterizedQuery]
Review Comment:
BTW I think this pattern is common enough, maybe the TreeNode transform down
methods should take an extra `stopCondition: T => Boolean` parameter.
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