deniskuzZ commented on code in PR #12629:
URL: https://github.com/apache/iceberg/pull/12629#discussion_r2014254684
##########
core/src/main/java/org/apache/iceberg/PartitionStatsUtil.java:
##########
@@ -45,22 +49,54 @@ private PartitionStatsUtil() {}
* @param table the table for which partition stats to be computed.
* @param snapshot the snapshot for which partition stats is computed.
* @return the collection of {@link PartitionStats}
+ * @deprecated since 1.9.0, will be removed in 1.10.0; use {@link
#computeStats(Table, Snapshot,
+ * Snapshot)} instead.
*/
+ @Deprecated
public static Collection<PartitionStats> computeStats(Table table, Snapshot
snapshot) {
- Preconditions.checkArgument(table != null, "table cannot be null");
- Preconditions.checkArgument(Partitioning.isPartitioned(table), "table must
be partitioned");
- Preconditions.checkArgument(snapshot != null, "snapshot cannot be null");
+ return computeStats(table, null, snapshot).values();
+ }
- StructType partitionType = Partitioning.partitionType(table);
- List<ManifestFile> manifests = snapshot.allManifests(table.io());
- Queue<PartitionMap<PartitionStats>> statsByManifest =
Queues.newConcurrentLinkedQueue();
- Tasks.foreach(manifests)
- .stopOnFailure()
- .throwFailureWhenFinished()
- .executeWith(ThreadPools.getWorkerPool())
- .run(manifest -> statsByManifest.add(collectStats(table, manifest,
partitionType)));
+ /**
+ * Computes the partition stats incrementally after the given snapshot to
current snapshot. If the
+ * given snapshot is null, computes the stats completely instead of
incrementally.
+ *
+ * @param table the table for which partition stats to be computed.
+ * @param afterSnapshot the snapshot after which partition stats is computed
(exclusive).
+ * @param currentSnapshot the snapshot till which partition stats is
computed (inclusive).
+ * @return the {@link PartitionMap} of {@link PartitionStats}
+ */
+ public static PartitionMap<PartitionStats> computeStats(
Review Comment:
`fromSnapshot`(exclusive)?
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