aokolnychyi commented on code in PR #52595:
URL: https://github.com/apache/spark/pull/52595#discussion_r2427648261
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sql/catalyst/src/main/java/org/apache/spark/sql/connector/write/BatchWrite.java:
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@@ -105,31 +103,11 @@ default void onDataWriterCommit(WriterCommitMessage
message) {}
* <p>
* @param messages a list of commit messages from successful data writers,
produced by
* {@link DataWriter#commit()}.
- * @param metrics a map of operation metrics collected from the query
producing write.
- * The keys will be prefixed by operation type, eg `merge`.
- * <p>
- * Currently supported metrics are:
- * <ul>
- * <li>Operation Type = `merge`
- * <ul>
- * <li>`numTargetRowsCopied`: number of target rows
copied unmodified because
- * they did not match any action</li>
- * <li>`numTargetRowsDeleted`: number of target rows
deleted</li>
- * <li>`numTargetRowsUpdated`: number of target rows
updated</li>
- * <li>`numTargetRowsInserted`: number of target rows
inserted</li>
- * <li>`numTargetRowsMatchedUpdated`: number of target
rows updated by a
- * matched clause</li>
- * <li>`numTargetRowsMatchedDeleted`: number of target
rows deleted by a
- * matched clause</li>
- * <li>`numTargetRowsNotMatchedBySourceUpdated`: number
of target rows
- * updated by a not matched by source clause</li>
- * <li>`numTargetRowsNotMatchedBySourceDeleted`: number
of target rows
- * deleted by a not matched by source clause</li>
- * </ul>
- * </li>
- * </ul>
+ * @param operationMetrics operation metrics collected from the query
producing write.
Review Comment:
Also, mention that it gets null otherwise.
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