[AURON #2219] Expose numFiles and numPartitions metrics for native Iceberg scan#2220
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[AURON #2219] Expose numFiles and numPartitions metrics for native Iceberg scan#2220weimingdiit wants to merge 1 commit intoapache:masterfrom
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…ive Iceberg scan Signed-off-by: weimingdiit <weimingdiit@gmail.com>
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Which issue does this PR close?
Closes #2219
Rationale for this change
Native Iceberg scan currently exposes native file scan metrics, but it does not report the driver-side
numFilesandnumPartitionsmetrics that regular native file scans expose. These metrics are useful for understanding the scan planning result in Spark SQL UI.What changes are included in this PR?
This PR adds
numFilesandnumPartitionsmetrics toNativeIcebergTableScanExec.Native.files_readandNative.partitions_readmetrics.SQLMetrics.postDriverMetricUpdates.Are there any user-facing changes?
Yes. Spark SQL metrics for native Iceberg scans now include file count and partition count.
How was this patch tested?
CI.