Ryan Johnson created SPARK-44071:
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Summary: Define UnresolvedNode trait to reduce redundancy
Key: SPARK-44071
URL: https://issues.apache.org/jira/browse/SPARK-44071
Project: Spark
Issue Type: New Feature
Components: Spark Core
Affects Versions: 3.5.0
Reporter: Ryan Johnson
Looking at
[unresolved.scala|https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/unresolved.scala],
spark would benefit from an {{UnresolvedNode}} trait that various
{{UnresolvedFoo}} classes could inherit from:
{code:java}
trait UnresolvedNode extends LogicalPlan {
override def output: Seq[Attribute] = Nil
override lazy val resolved = false
}{code}
Today, the code is duplicated in ~20 locations.
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