ulysses-you commented on a change in pull request #30974:
URL: https://github.com/apache/spark/pull/30974#discussion_r551100491
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File path: sql/core/src/main/scala/org/apache/spark/sql/Column.scala
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@@ -200,6 +203,7 @@ class Column(val expr: Expression) extends Logging {
// Wait until the struct is resolved. This will generate a nicer looking
alias.
case struct: CreateNamedStruct => UnresolvedAlias(struct)
+ case expr: Expression if existsUnresolvedExpr(expr) =>
UnresolvedAlias(expr)
case expr: Expression => Alias(expr, toPrettySQL(expr))()
Review comment:
Changed it.
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