JackieTien97 commented on code in PR #17148:
URL: https://github.com/apache/iotdb/pull/17148#discussion_r2757658606
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/execution/operator/process/AbstractSortOperator.java:
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@@ -240,7 +241,9 @@ private void mergeSort() throws IoTDBException {
mergeSortHeap.push(mergeSortKey);
} else {
noMoreData[readerIndex] = true;
- sortBufferManager.releaseOneSortBranch();
+ if (sortReaders.get(readerIndex) instanceof FileSpillerReader) {
+ sortBufferManager.releaseOneSortBranch();
+ }
Review Comment:
add a method in `SortReader`, let `FileSpillerReader` and `MemoryReader`
implement in different ways, and then add comments for their difference.
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