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Pipe/Load: Fixed the issue where the TsFileResource of the PlainDeviceTimeIndex type was judged to be empty (triggered by IoTDB loading TsFiles in v3 and the tsfiles are syned to other clusters) #14692

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Merged
SteveYurongSu merged 1 commit into from
Jan 13, 2025
Merged

Pipe/Load: Fixed the issue where the TsFileResource of the PlainDeviceTimeIndex type was judged to be empty (triggered by IoTDB loading TsFiles in v3 and the tsfiles are syned to other clusters) #14692

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20 changes: 20 additions & 0 deletions ...a/org/apache/iotdb/db/storageengine/dataregion/tsfile/timeindex/ArrayDeviceTimeIndex.java
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,10 @@ public ArrayDeviceTimeIndex(
this.startTimes = startTimes;
this.endTimes = endTimes;
this.deviceToIndex = deviceToIndex;

// The TSFileResource file is judged to be empty based on MaxEndTime and MinStartTime, so the
// construction of TimeIndex needs to update MaxEndTime and MinStartTime.
updateMinStartTimeAndMaxEndTime();
}

@Override
Expand Down Expand Up @@ -336,6 +340,22 @@ public void updateEndTime(IDeviceID deviceId, long time) {
maxEndTime = Math.max(maxEndTime, time);
}

private void updateMinStartTimeAndMaxEndTime() {
for (Map.Entry<IDeviceID, Integer> entry : deviceToIndex.entrySet()) {
if (entry.getValue() == null) {
continue;
}

if (endTimes != null) {
maxEndTime = Math.max(maxEndTime, endTimes[entry.getValue()]);
}

if (startTimes != null) {
minStartTime = Math.min(minStartTime, startTimes[entry.getValue()]);
}
}
}

@Override
public void putStartTime(IDeviceID deviceId, long time) {
int index = getDeviceIndex(deviceId);
Expand Down