danny0405 commented on code in PR #12269:
URL: https://github.com/apache/hudi/pull/12269#discussion_r1845272992
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hudi-common/src/main/java/org/apache/hudi/metadata/HoodieTableMetadataUtil.java:
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@@ -759,6 +769,78 @@ public static HoodieData<HoodieRecord>
convertMetadataToColumnStatsRecords(Hoodi
});
}
+ static HoodieData<HoodieRecord>
convertMetadataToRecordIndexRecords(HoodieEngineContext engineContext,
+
HoodieCommitMetadata commitMetadata,
+
HoodieMetadataConfig metadataConfig,
+
HoodieTableMetaClient dataTableMetaClient,
+ int
writesFileIdEncoding,
+ String
instantTime) {
+
+ List<HoodieWriteStat> allWriteStats =
commitMetadata.getPartitionToWriteStats().values().stream()
+ .flatMap(Collection::stream).collect(Collectors.toList());
+
+ if (allWriteStats.isEmpty()) {
+ return engineContext.emptyHoodieData();
+ }
+
+ try {
+ int parallelism = Math.max(Math.min(allWriteStats.size(),
metadataConfig.getRecordIndexMaxParallelism()), 1);
+ String basePath = dataTableMetaClient.getBasePath().toString();
+ // we might need to set some additional variables if we need to process
log files.
+ boolean anyLogFilesWithDeleteBlocks =
allWriteStats.stream().anyMatch(writeStat -> {
+ String fileName = FSUtils.getFileName(writeStat.getPath(),
writeStat.getPartitionPath());
+ return FSUtils.isLogFile(fileName) && writeStat.getNumInserts() == 0
&& writeStat.getNumUpdateWrites() == 0 && writeStat.getNumDeletes() > 0;
+ });
+ Option<String> latestCommitTimestamp = Option.empty();
+ Option<Schema> writerSchemaOpt = Option.empty();
+ if (anyLogFilesWithDeleteBlocks) {
+ // if we have a log file w/ pure deletes.
+ latestCommitTimestamp =
Option.of(dataTableMetaClient.getActiveTimeline().getCommitsTimeline().lastInstant().get().getCompletionTime());
+ writerSchemaOpt = tryResolveSchemaForTable(dataTableMetaClient);
+ }
+ int maxBufferSize = metadataConfig.getMaxReaderBufferSize();
+ StorageConfiguration storageConfiguration =
dataTableMetaClient.getStorageConf();
+ Option<Schema> finalWriterSchemaOpt = writerSchemaOpt;
+ Option<String> finalLatestCommitTimestamp = latestCommitTimestamp;
+ HoodieData<HoodieRecord> recordIndexRecords =
engineContext.parallelize(allWriteStats, parallelism)
+ .flatMap(writeStat -> {
+ HoodieStorage storage = HoodieStorageUtils.getStorage(new
StoragePath(writeStat.getPath()), storageConfiguration);
+ // handle base files
+ if
(writeStat.getPath().endsWith(HoodieFileFormat.PARQUET.getFileExtension())) {
Review Comment:
So only writes with parquets could have RLI support, like BLOOM index or
bucket index of COW.
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