sunchao commented on code in PR #42757:
URL: https://github.com/apache/spark/pull/42757#discussion_r1313484147
##########
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/DataSourceV2ScanExecBase.scala:
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@@ -217,3 +210,19 @@ trait DataSourceV2ScanExecBase extends LeafExecNode {
}
}
}
+
+/**
+ * A key-grouped Spark partition, which could consist of multiple input splits
+ *
+ * @param value the partition value shared by all the input splits
+ * @param parts the input splits that are grouped into a single Spark partition
+ */
+private[v2] case class KeyGroupedPartition(value: InternalRow, parts:
Seq[InputPartition])
+
+/**
+ * Information about key-grouped partitions, which contains a list of grouped
partitions as well
+ * as the original input partitions before the grouping.
+ */
+private[v2] case class KeyGroupedPartitionInfo(
Review Comment:
I thought about it but is `Infos` a proper plural noun?
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