szehon-ho commented on code in PR #7581:
URL: https://github.com/apache/iceberg/pull/7581#discussion_r1207628850
##########
core/src/main/java/org/apache/iceberg/PartitionsTable.java:
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@@ -47,6 +47,16 @@ public class PartitionsTable extends BaseMetadataTable {
new Schema(
Types.NestedField.required(1, "partition",
Partitioning.partitionType(table)),
Types.NestedField.required(4, "spec_id", Types.IntegerType.get()),
+ Types.NestedField.required(
+ 9,
+ "last_updated_at",
+ Types.TimestampType.withZone(),
+ "Partition last updated timestamp"),
+ Types.NestedField.required(
+ 10,
+ "last_updated_snapshot_id",
Review Comment:
After some thoughts, I think both will be null if the snapshot is expired.
But I think we are no worse off than the alternative, which is to join the
entries + snapshots table for the user to find the last update time.
And I think for this case (lastUpdateTime, lastSnapshotId), it is ok to
proceed, typically snapshots live several days at least, and I would imagine
the user of the tool is interested in the last updated partition.
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