dongjoon-hyun commented on a change in pull request #27803: [SPARK-31049][SQL]
Support nested adjacent generators, e.g., explode(explode(v))
URL: https://github.com/apache/spark/pull/27803#discussion_r390676615
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -2286,24 +2304,66 @@ class Analyzer(
// Holds the resolved generator, if one exists in the project list.
var resolvedGenerator: Generate = null
+ def createGenerate(g: Generator, outer: Boolean, names: Seq[String],
child: LogicalPlan) = {
Review comment:
Shall we put this outside like `private def trimAlias` because this block
seems to grow too big?
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