aokolnychyi commented on code in PR #55518:
URL: https://github.com/apache/spark/pull/55518#discussion_r3785080596
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sql/catalyst/src/main/java/org/apache/spark/sql/connector/write/RowLevelOperationInfo.java:
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@@ -37,4 +38,15 @@ public interface RowLevelOperationInfo {
* Returns the row-level SQL command (e.g. DELETE, UPDATE, MERGE).
*/
Command command();
+
+ /**
+ * Returns the columns being updated by this operation. Currently populated
only for UPDATE;
+ * DELETE and MERGE report an empty array.
+ * <p>
+ * Nested struct field updates are reported at root-column granularity
Review Comment:
Is this a temp limitation to simplify implementation?
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