danny0405 commented on code in PR #13489:
URL: https://github.com/apache/hudi/pull/13489#discussion_r2176810585
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hudi-common/src/main/java/org/apache/hudi/metadata/HoodieBackedTableMetadata.java:
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@@ -277,61 +268,291 @@ private Predicate
transformKeyPrefixesToPredicate(List<String> keyPrefixes) {
return Predicates.startsWithAny(null, right);
}
- @Override
- protected Map<String, HoodieRecord<HoodieMetadataPayload>>
getRecordsByKeys(List<String> keys, String partitionName) {
- if (keys.isEmpty()) {
- return Collections.emptyMap();
+ private HoodiePairData<String, HoodieRecord<HoodieMetadataPayload>>
doLookupWithMapping(
+ HoodieData<String> keys, String partitionName, List<FileSlice>
fileSlices, boolean isSecondaryIndex,
+ Option<SerializableFunction<String, String>> keyEncodingFn) {
+
+ final int numFileSlices = fileSlices.size();
+ if (numFileSlices == 1) {
+ TreeSet<String> distinctSortedKeys = new TreeSet<>(keys.collectAsList());
+ return lookupRecordsWithMapping(partitionName, new
ArrayList<>(distinctSortedKeys), fileSlices.get(0), !isSecondaryIndex,
keyEncodingFn);
}
- Map<String, HoodieRecord<HoodieMetadataPayload>> result;
+ SerializableBiFunction<String, Integer, Integer> mappingFunction =
HoodieTableMetadataUtil::mapRecordKeyToFileGroupIndex;
Review Comment:
Please check all the invocations of
`HoodieTableMetadataUtil.mapRecordKeyToFileGroupIndex`.
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