dimas-b commented on code in PR #4115:
URL: https://github.com/apache/polaris/pull/4115#discussion_r3251550707
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polaris-core/src/main/java/org/apache/polaris/core/persistence/metrics/MetricsPersistence.java:
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@@ -73,4 +77,56 @@ default void writeScanReport(@Nonnull ScanMetricsRecord
record) {
default void writeCommitReport(@Nonnull CommitMetricsRecord record) {
// No-op by default - backends that don't support metrics silently ignore
}
+
+ /**
+ * Lists scan metrics reports for a given table, ordered by timestamp
descending.
+ *
+ * <p>Default implementation returns an empty page. Override in
implementations that support
+ * metrics reads.
+ *
+ * @param catalogId the internal catalog ID
+ * @param tableId the internal table entity ID
+ * @param snapshotId optional filter by snapshot ID
+ * @param principalName optional filter by principal name
+ * @param timestampFrom optional inclusive lower bound on timestamp (epoch
ms)
+ * @param timestampTo optional exclusive upper bound on timestamp (epoch ms)
+ * @param pageToken pagination token
+ * @return a page of scan metrics records
+ */
+ default Page<ScanMetricsRecord> listScanReports(
Review Comment:
Yes, it's good to sync up on future plans for metrics... this PR is pretty
old
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