luoluoyuyu commented on code in PR #284:
URL: https://github.com/apache/tsfile/pull/284#discussion_r1830338617


##########
java/tsfile/src/main/java/org/apache/tsfile/read/reader/series/FileSeriesReader.java:
##########
@@ -56,8 +56,10 @@ protected void initChunkReader(IChunkMetadata chunkMetaData) 
throws IOException
           chunkLoader.loadChunk((ChunkMetadata) 
(alignedChunkMetadata.getTimeChunkMetadata()));
       List<Chunk> valueChunkList = new ArrayList<>();
       for (IChunkMetadata metadata : 
alignedChunkMetadata.getValueChunkMetadataList()) {
-        valueChunkList.add(chunkLoader.loadChunk((ChunkMetadata) metadata));
-        currentChunkMeasurementNames.add(metadata.getMeasurementUid());
+        if (metadata != null) {

Review Comment:
   I think it is unnecessary, because if Chunk is null, no subsequent read 
operations can be performed, and if ChunkMeta is null or ChunkMeta count is 0, 
it is saved as null in ChunkMetaList.



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