cloud-fan commented on code in PR #36150:
URL: https://github.com/apache/spark/pull/36150#discussion_r919716656
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala:
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@@ -1382,6 +1417,12 @@ class Analyzer(override val catalogManager:
CatalogManager)
case g: Generate if containsStar(g.generator.children) =>
throw
QueryCompilationErrors.invalidStarUsageError("explode/json_tuple/UDTF",
extractStar(g.generator.children))
+ // If the Melt ids contain Stars, expand them.
Review Comment:
yea it's better to do so, so that we can finish the job with one plan
transformation.
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