cloud-fan commented on code in PR #49027:
URL: https://github.com/apache/spark/pull/49027#discussion_r1908129745
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/interface.scala:
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@@ -310,6 +310,17 @@ case class BucketSpec(
}
}
+/**
+ * The clustering spec holds the information of clustering keys and sorting
keys.
+ *
+ * @param clusteringKeys The clustering expressions
+ * @param sortKeys The sort orders
+ */
+case class ClusteringSpec(clusteringKeys: Seq[Expression], sortKeys:
Seq[SortOrder]) {
Review Comment:
nit: This is not catalog related, can we put it near `case class Clustering`?
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