the-other-tim-brown commented on code in PR #13653:
URL: https://github.com/apache/hudi/pull/13653#discussion_r2249084661
##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/table/action/savepoint/SavepointHelpers.java:
##########
@@ -66,4 +72,28 @@ public static void validateSavepointPresence(HoodieTable
table, String savepoint
throw new HoodieRollbackException("No savepoint for instantTime " +
savepointTime);
}
}
+
+ private static class SavepointInstantComparator implements
Comparator<HoodieInstant> {
+ private final boolean tableVersion8OrLater;
+ private final InstantComparator instantComparator;
+
+ public SavepointInstantComparator(boolean tableVersion8OrLater,
InstantComparator instantComparator) {
+ this.tableVersion8OrLater = tableVersion8OrLater;
+ this.instantComparator = instantComparator;
+ }
+
+ @Override
+ public int compare(HoodieInstant o1, HoodieInstant o2) {
+ if (tableVersion8OrLater) {
+ return instantComparator.completionTimeOrderedComparator().compare(o1,
o2);
+ } else {
+ // Do to special handling of compaction instants, we need to use
requested time based comparator for compaction instants but completion time
based comparator for others
+ if (o1.getAction().equals(HoodieTimeline.COMMIT_ACTION) ||
o2.getAction().equals(HoodieTimeline.COMMIT_ACTION)) {
Review Comment:
Isn't the file slice computed at runtime for v8? The slice would just use t1
as the base and the log files would all be present preventing data loss.
Even if the above is accurate, if we want to just keep it consistent between
versions for ease of operation, I am fine with that as well.
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