[iotdb] 01/01: remove the update of target file start time and end time in the end of cross space compaction

[marklau99]

This is an automated email from the ASF dual-hosted git repository.

marklau99 pushed a commit to branch IOTDB-4579
in repository https://gitbox.apache.org/repos/asf/iotdb.git

commit c425e521f769010d3ee941b18e46208845aeb673
Author: Liu Xuxin <liuxu...@outlook.com>
AuthorDate: Fri Oct 7 15:28:53 2022 +0800

    remove the update of target file start time and end time in the end of 
cross space compaction
---
 .../db/engine/compaction/CompactionUtils.java      | 26 ----------------------
 1 file changed, 26 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionUtils.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionUtils.java
index 9ee9d5cd09..dc2dfa92cb 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionUtils.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/compaction/CompactionUtils.java
@@ -43,7 +43,6 @@ import org.apache.iotdb.db.service.IoTDB;
 import org.apache.iotdb.db.utils.QueryUtils;
 import org.apache.iotdb.tsfile.common.constant.TsFileConstant;
 import org.apache.iotdb.tsfile.exception.write.WriteProcessException;
-import org.apache.iotdb.tsfile.file.metadata.TimeseriesMetadata;
 import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
 import org.apache.iotdb.tsfile.fileSystem.FSFactoryProducer;
 import org.apache.iotdb.tsfile.read.common.BatchData;
@@ -51,7 +50,6 @@ import org.apache.iotdb.tsfile.read.reader.IBatchReader;
 import org.apache.iotdb.tsfile.utils.Pair;
 import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema;
 import org.apache.iotdb.tsfile.write.schema.MeasurementSchema;
-import org.apache.iotdb.tsfile.write.writer.TsFileIOWriter;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -114,7 +112,6 @@ public class CompactionUtils {
       }
 
       compactionWriter.endFile();
-      updateDeviceStartTimeAndEndTime(targetFileResources, compactionWriter);
       updatePlanIndexes(targetFileResources, seqFileResources, 
unseqFileResources);
     } finally {
       QueryResourceManager.getInstance().endQuery(queryId);
@@ -265,29 +262,6 @@ public class CompactionUtils {
     }
   }
 
-  private static void updateDeviceStartTimeAndEndTime(
-      List<TsFileResource> targetResources, AbstractCompactionWriter 
compactionWriter) {
-    List<TsFileIOWriter> targetFileWriters = 
compactionWriter.getFileIOWriter();
-    for (int i = 0; i < targetFileWriters.size(); i++) {
-      TsFileIOWriter fileIOWriter = targetFileWriters.get(i);
-      TsFileResource fileResource = targetResources.get(i);
-      // The tmp target file may does not have any data points written due to 
the existence of the
-      // mods file, and it will be deleted after compaction. So skip the 
target file that has been
-      // deleted.
-      if (!fileResource.getTsFile().exists()) {
-        continue;
-      }
-      for (Map.Entry<String, List<TimeseriesMetadata>> entry :
-          fileIOWriter.getDeviceTimeseriesMetadataMap().entrySet()) {
-        String device = entry.getKey();
-        for (TimeseriesMetadata timeseriesMetadata : entry.getValue()) {
-          fileResource.updateStartTime(device, 
timeseriesMetadata.getStatistics().getStartTime());
-          fileResource.updateEndTime(device, 
timeseriesMetadata.getStatistics().getEndTime());
-        }
-      }
-    }
-  }
-
   private static void updatePlanIndexes(
       List<TsFileResource> targetResources,
       List<TsFileResource> seqResources,