ycycse commented on code in PR #9746:
URL: https://github.com/apache/iotdb/pull/9746#discussion_r1186585658
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server/src/main/java/org/apache/iotdb/db/mpp/execution/operator/process/SortOperator.java:
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@@ -18,39 +18,79 @@
*/
package org.apache.iotdb.db.mpp.execution.operator.process;
+import org.apache.iotdb.commons.exception.IoTDBException;
import org.apache.iotdb.db.mpp.execution.operator.Operator;
import org.apache.iotdb.db.mpp.execution.operator.OperatorContext;
+import org.apache.iotdb.db.tools.DiskSpiller;
+import org.apache.iotdb.db.tools.MemoryReader;
+import org.apache.iotdb.db.tools.SortBufferManager;
+import org.apache.iotdb.db.tools.SortReader;
+import org.apache.iotdb.db.utils.datastructure.MergeSortHeap;
import org.apache.iotdb.db.utils.datastructure.MergeSortKey;
+import org.apache.iotdb.rpc.TSStatusCode;
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
import org.apache.iotdb.tsfile.read.common.block.TsBlock;
import org.apache.iotdb.tsfile.read.common.block.TsBlockBuilder;
+import org.apache.iotdb.tsfile.read.common.block.TsBlockBuilderStatus;
import org.apache.iotdb.tsfile.read.common.block.column.ColumnBuilder;
import org.apache.iotdb.tsfile.read.common.block.column.TimeColumnBuilder;
import com.google.common.util.concurrent.ListenableFuture;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
+import java.util.concurrent.TimeUnit;
public class SortOperator implements ProcessOperator {
private final OperatorContext operatorContext;
private final Operator inputOperator;
private final TsBlockBuilder tsBlockBuilder;
+ // Use to output the result in memory.
+ // Because the memory may be larger than tsBlockBuilder's max size
+ // so the data may be return in multiple times.
+ private int curRow = -1;
+
+ private final String filePrePath;
Review Comment:
done
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