nsivabalan commented on a change in pull request #4034:
URL: https://github.com/apache/hudi/pull/4034#discussion_r754817788
##########
File path:
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/client/utils/TransactionUtils.java
##########
@@ -88,33 +93,41 @@
/**
* Get the last completed transaction hoodie instant and {@link
HoodieCommitMetadata#getExtraMetadata()}.
+ *
* @param metaClient
* @return
*/
public static Option<Pair<HoodieInstant, Map<String, String>>>
getLastCompletedTxnInstantAndMetadata(
HoodieTableMetaClient metaClient) {
- Option<HoodieInstant> hoodieInstantOption =
metaClient.getActiveTimeline().getCommitsTimeline()
- .filterCompletedInstants().lastInstant();
- try {
- if (hoodieInstantOption.isPresent()) {
- switch (hoodieInstantOption.get().getAction()) {
- case HoodieTimeline.REPLACE_COMMIT_ACTION:
- HoodieReplaceCommitMetadata replaceCommitMetadata =
HoodieReplaceCommitMetadata
-
.fromBytes(metaClient.getActiveTimeline().getInstantDetails(hoodieInstantOption.get()).get(),
HoodieReplaceCommitMetadata.class);
- return Option.of(Pair.of(hoodieInstantOption.get(),
replaceCommitMetadata.getExtraMetadata()));
- case HoodieTimeline.DELTA_COMMIT_ACTION:
- case HoodieTimeline.COMMIT_ACTION:
- HoodieCommitMetadata commitMetadata = HoodieCommitMetadata
-
.fromBytes(metaClient.getActiveTimeline().getInstantDetails(hoodieInstantOption.get()).get(),
HoodieCommitMetadata.class);
- return Option.of(Pair.of(hoodieInstantOption.get(),
commitMetadata.getExtraMetadata()));
- default:
- throw new IllegalArgumentException("Unknown instant action" +
hoodieInstantOption.get().getAction());
+ List<HoodieInstant> hoodieInstants =
metaClient.getActiveTimeline().getCommitsTimeline()
+
.filterCompletedInstants().getReverseOrderedInstants().collect(Collectors.toList());
+ if (!hoodieInstants.isEmpty()) {
Review comment:
it's much complicated than what seems to be happening.I don't see much
benefit since we have to throw from inside.. So, leaving it as us.
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