Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/17241#discussion_r105453191
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -595,6 +594,11 @@ class Analyzer(
case view @ View(desc, _, child) if !child.resolved =>
// Resolve all the UnresolvedRelations and Views in the child.
val newChild =
AnalysisContext.withAnalysisContext(desc.viewDefaultDatabase) {
+ if (AnalysisContext.get.nestedViewLevel >
conf.maxNestedViewDepth) {
+ view.failAnalysis(s"The nested level of view
${view.desc.identifier} has exceeded " +
+ s"${conf.maxNestedViewDepth}, terminate the view resolution
to avoid further " +
--- End diff --
the two sentences need to be separated by a period, not comma.
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