cloud-fan commented on code in PR #48240:
URL: https://github.com/apache/spark/pull/48240#discussion_r1777212646
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ResolveDataFrameDropColumns.scala:
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@@ -36,7 +36,7 @@ class ResolveDataFrameDropColumns(val catalogManager:
CatalogManager)
// df.drop(col("non-existing-column"))
val dropped = d.dropList.map {
case u: UnresolvedAttribute =>
- resolveExpressionByPlanChildren(u, d.child)
+ resolveExpressionByPlanChildren(u, d)
Review Comment:
This is a good catch! When do we start to have this bug?
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