shuwenwei commented on code in PR #13168:
URL: https://github.com/apache/iotdb/pull/13168#discussion_r1716457232
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/event/common/tsfile/container/scan/TsFileInsertionScanDataContainer.java:
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@@ -332,35 +331,54 @@ private void moveToNextChunkReader() throws IOException,
IllegalStateException {
return;
case MetaMarker.VALUE_CHUNK_HEADER:
case MetaMarker.ONLY_ONE_PAGE_VALUE_CHUNK_HEADER:
- chunkHeader = tsFileSequenceReader.readChunkHeader(marker);
+ if (Objects.isNull(firstChunkHeader4NextSequentialValueChunks)) {
+ chunkHeader = tsFileSequenceReader.readChunkHeader(marker);
- if (Objects.isNull(currentDevice)
- || !pattern.matchesMeasurement(currentDevice,
chunkHeader.getMeasurementID())) {
- tsFileSequenceReader.position(
- tsFileSequenceReader.position() + chunkHeader.getDataSize());
- break;
- }
+ // Do not record empty chunks
+ if (chunkHeader.getDataSize() == 0) {
+ break;
Review Comment:
When encountering an empty chunk, the index must also be updated.
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