danny0405 commented on code in PR #13060:
URL: https://github.com/apache/hudi/pull/13060#discussion_r2027921234
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hudi-common/src/main/java/org/apache/hudi/common/model/PartitionBucketIndexHashingConfig.java:
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@@ -196,24 +196,51 @@ public static Option<PartitionBucketIndexHashingConfig>
loadHashingConfig(Hoodie
/**
* Get Latest committed hashing config instant to load.
+ * If instant is empty, then return latest hashing config instant
*/
- public static String
getLatestHashingConfigInstantToLoad(HoodieTableMetaClient metaClient) {
+ public static Option<String>
getHashingConfigInstantToLoad(HoodieTableMetaClient metaClient, Option<String>
instant) {
try {
List<String> allCommittedHashingConfig =
getCommittedHashingConfigInstants(metaClient);
- return allCommittedHashingConfig.get(allCommittedHashingConfig.size() -
1);
+ if (instant.isPresent()) {
+ Option<String> res =
getHashingConfigInstantToLoadBeforeOrOn(allCommittedHashingConfig,
instant.get());
+ // fall back to look up archived hashing config instant before return
empty
+ return res.isPresent() ? res :
getHashingConfigInstantToLoadBeforeOrOn(getArchiveHashingConfigInstants(metaClient),
instant.get());
+ } else {
+ return
Option.of(allCommittedHashingConfig.get(allCommittedHashingConfig.size() - 1));
+ }
} catch (Exception e) {
throw new HoodieException("Failed to get hashing config instant to
load.", e);
}
}
+ private static Option<String>
getHashingConfigInstantToLoadBeforeOrOn(List<String> hashingConfigInstants,
String instant) {
Review Comment:
> Maybe we should load the hashing configuration associated with R3 (the
latest bucket rescale operation before or equal to C4).
We can not do that because the data file layouts had been changed.
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