cloud-fan commented on a change in pull request #31355:
URL: https://github.com/apache/spark/pull/31355#discussion_r565370445
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/connector/distributions/OrderedDistribution.java
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@@ -32,4 +32,13 @@
* Returns ordering expressions.
*/
SortOrder[] ordering();
+
+ /**
+ * Returns the number of partitions required by this write.
+ * <p>
+ * Implementations may want to override this if it requires the specific
number of partitions.
+ *
+ * @return the required number of partitions, 0 as no requirement
Review comment:
ditto
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