Spark 4.2: Add insert, update, and delete write summaries to snapshot summary - #17955
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rahulsmahadev wants to merge 1 commit into
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Spark 4.2: Add insert, update, and delete write summaries to snapshot summary#17955rahulsmahadev wants to merge 1 commit into
rahulsmahadev wants to merge 1 commit into
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… summary Persist the row-level operation metrics that Spark 4.2 reports via the new InsertSummary, UpdateSummary, and DeleteSummary write summaries into the Iceberg snapshot summary, mirroring the existing MERGE support. Adds spark.insert.num-inserted-rows, spark.update.num-updated-rows / num-copied-rows, and spark.delete.num-deleted-rows / num-copied-rows, with copy-on-write and merge-on-read tests and documentation.
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Persists the row-level operation metrics that Spark 4.2 reports via the new
InsertSummary,UpdateSummary, andDeleteSummarywrite summaries into the Iceberg snapshot summary, mirroring the existingMergeSummarysupport added in #15014.Spark 4.2's
WriteToDataSourceV2Execpasses an operation-specificWriteSummarytoBatchWrite.commit(messages, summary)for INSERT (append), UPDATE, and DELETE. This change consumes them in Iceberg's commit path and records the following snapshot summary fields:spark.insert.num-inserted-rowsspark.update.num-updated-rows,spark.update.num-copied-rowsspark.delete.num-deleted-rows,spark.delete.num-copied-rowsnum-copied-rowscounts unmodified rows rewritten in copy-on-write mode and is0in merge-on-read. The append path (BatchAppend) now forwards theInsertSummaryon commit; the copy-on-write and merge-on-read row-level paths already forward their summaries.Metric tests are added for copy-on-write and merge-on-read, and the new fields are documented in
spark-writes.md.