cloud-fan commented on code in PR #49029:
URL: https://github.com/apache/spark/pull/49029#discussion_r1886326668
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala:
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@@ -146,15 +153,42 @@ case class AnalysisContext(
// lookup a temporary function. And export to the view metadata.
referredTempFunctionNames: mutable.Set[String] = mutable.Set.empty,
referredTempVariableNames: Seq[Seq[String]] = Seq.empty,
- outerPlan: Option[LogicalPlan] = None)
+ outerPlan: Option[LogicalPlan] = None,
+
+ /**
+ * This is a bridge state between this fixed-point [[Analyzer]] and a
single-pass [[Resolver]].
+ * It's managed ([[setSinglePassResolverBridgeState]] method) by the
[[HybridAnalyzer]] - the
+ * goal is to preserve it correctly between the fixed-point and
single-pass runs.
+ * [[AnalysisContext.reset]] simply propagates it to prevent it from being
reset in
+ * [[Analyzer.execute]].
+ *
+ * See [[AnalyzerBridgeState]] and [[HybridAnalyzer]] for more info.
+ */
+ private var singlePassResolverBridgeState: Option[AnalyzerBridgeState] =
None) {
Review Comment:
This only matters to the hybrid mode, right? What's the full workflow?
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