rahij commented on a change in pull request #29309:
URL: https://github.com/apache/spark/pull/29309#discussion_r463112760
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/partitioning/HashClusteredDistribution.java
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@@ -0,0 +1,25 @@
+package org.apache.spark.sql.connector.read.partitioning;
+
+import org.apache.spark.annotation.Evolving;
+
+import java.util.OptionalInt;
+
+/**
+ * A concrete implementation of {@link Distribution}.
+ * Represents data where tuples have been clustered according to the hash of
the given columns.
+ *
+ * This is a strictly stronger guarantee than [[ClusteredDistribution]]. Given
a tuple and the
+ * number of partitions, this distribution strictly requires which partition
the tuple should be in.
+ *
+ * @since 3.x.x
Review comment:
I'm not sure what version to put here
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