Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/19683#discussion_r158716569
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -846,12 +846,13 @@ class Analyzer(
// ResolveReferences. Attributes in the output will be resolved by
ResolveGenerate.
case g @ Generate(generator, _, _, _, _, _) if generator.resolved =>
g
- case g @ Generate(generator, join, outer, qualifier, output, child)
=>
+ case g @ Generate(generator, requiredChildOutput, outer, qualifier,
output, child) =>
val newG = resolveExpression(generator, child, throws = true)
if (newG.fastEquals(generator)) {
g
} else {
- Generate(newG.asInstanceOf[Generator], join, outer, qualifier,
output, child)
+ Generate(newG.asInstanceOf[Generator], child.output, outer,
--- End diff --
we should reserve `requiredChildOutput` here.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org
For additional commands, e-mail: reviews-h...@spark.apache.org
