aokolnychyi commented on code in PR #55518:
URL: https://github.com/apache/spark/pull/55518#discussion_r4428856251
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sql/catalyst/src/main/java/org/apache/spark/sql/connector/write/DataWriter.java:
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@@ -68,8 +70,11 @@ public interface DataWriter<T> extends Closeable {
* Writes one record with metadata.
* <p>
* This method is used by group-based row-level operations to pass back
metadata for records
- * that are updated or copied. New records added during a MERGE operation
are written using
- * {@link #write(Object)} as there is no metadata associated with those
records.
+ * that are updated or copied. When {@link
LogicalWriteInfo#columnUpdateSchema()} is present for
Review Comment:
This makes sense.
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