cloud-fan commented on a change in pull request #35657:
URL: https://github.com/apache/spark/pull/35657#discussion_r826693036
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File path:
sql/catalyst/src/main/java/org/apache/spark/sql/connector/read/partitioning/HashPartitioning.java
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@@ -18,27 +18,37 @@
package org.apache.spark.sql.connector.read.partitioning;
import org.apache.spark.annotation.Evolving;
-import org.apache.spark.sql.connector.read.PartitionReader;
+import org.apache.spark.sql.connector.expressions.Expression;
/**
- * An interface to represent data distribution requirement, which specifies
how the records should
- * be distributed among the data partitions (one {@link PartitionReader}
outputs data for one
- * partition).
+ * Represents a partitioning where rows are split across partitions based on
the expressions
Review comment:
... based on the hash value of the "clustering" expressions.
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