[jira] [Created] (SPARK-33309) Replace origin GROUPING SETS with new expression

["angerszhu (Jira)" <ji...@apache.org>]

angerszhu created SPARK-33309:
---------------------------------

             Summary: Replace origin GROUPING SETS with new expression
                 Key: SPARK-33309
                 URL: https://issues.apache.org/jira/browse/SPARK-33309
             Project: Spark
          Issue Type: Sub-task
          Components: SQL
    Affects Versions: 3.1.0
            Reporter: angerszhu


Replace current GroupingSets just using expression
```
case class GroupingSets(
    selectedGroupByExprs: Seq[Seq[Expression]],
    groupByExprs: Seq[Expression],
    child: LogicalPlan,
    aggregations: Seq[NamedExpression]) extends UnaryNode {

  override def output: Seq[Attribute] = aggregations.map(_.toAttribute)

  // Needs to be unresolved before its translated to Aggregate + Expand because output attributes
  // will change in analysis.
  override lazy val resolved: Boolean = false
}
```



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