rodmeneses commented on code in PR #12639:
URL: https://github.com/apache/iceberg/pull/12639#discussion_r2038619911
##########
flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/source/enumerator/ContinuousSplitPlannerImpl.java:
##########
@@ -122,6 +123,53 @@ private ContinuousEnumerationResult
discoverIncrementalSplits(
return new ContinuousEnumerationResult(Collections.emptyList(),
lastPosition, lastPosition);
} else {
Long lastConsumedSnapshotId = lastPosition.snapshotId();
+ if (scanContext.snapshotExpirationResetStrategy() !=
SnapshotExpirationResetStrategy.DEFAULT
+ && lastConsumedSnapshotId != null
+ && !SnapshotUtil.isParentAncestorOf(
+ table, currentSnapshot.snapshotId(), lastConsumedSnapshotId)) {
+ switch (scanContext.snapshotExpirationResetStrategy()) {
+ case LATEST:
+ {
+ IcebergEnumeratorPosition newPosition =
+ IcebergEnumeratorPosition.of(
+ currentSnapshot.snapshotId(),
currentSnapshot.timestampMillis());
+ LOG.info(
+ "Snapshot expiration, last snapshot reset to latest : {}",
+ currentSnapshot.snapshotId());
+ return new ContinuousEnumerationResult(
+ Collections.emptyList(), lastPosition, newPosition);
+ }
+ case EARLIEST:
+ default:
Review Comment:
will this make `DEFAULT` case to be the same as `EARLIEST` ? Is this your
expectation ? I thought that for `DEFAULT` we shouldn't do anything
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