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Posted to reviews@iotdb.apache.org by GitBox <gi...@apache.org> on 2021/05/13 04:21:50 UTC
[GitHub] [iotdb] samperson1997 opened a new pull request #3180: [IOTDB-1378] Fix MetadataIndexTree constructs error when existing more than one chunks in vector
samperson1997 opened a new pull request #3180:
URL: https://github.com/apache/iotdb/pull/3180
MetadataIndexTree constructs error when existing more than one chunks in vector.
Here is an example.
Change config ` avg_series_point_number_threshold` to `1`.
Then, insert with aligned timeseries:
```
private static void insertTabletWithAlignedTimeseries()
throws IoTDBConnectionException, StatementExecutionException {
// The schema of measurements of one device
// only measurementId and data type in MeasurementSchema take effects in Tablet
List<IMeasurementSchema> schemaList = new ArrayList<>();
schemaList.add(
new VectorMeasurementSchema(
new String[] {"s1", "s2"}, new TSDataType[] {TSDataType.INT64, TSDataType.INT32}));
Tablet tablet = new Tablet(ROOT_SG1_D1, schemaList, 1);
long timestamp = System.currentTimeMillis();
for (long row = 0; row < 5; row++) {
int rowIndex = tablet.rowSize++;
tablet.addTimestamp(rowIndex, timestamp);
tablet.addValue(
schemaList.get(0).getValueMeasurementIdList().get(0),
rowIndex,
new SecureRandom().nextLong());
tablet.addValue(
schemaList.get(0).getValueMeasurementIdList().get(1),
rowIndex,
new SecureRandom().nextInt());
if (tablet.rowSize == tablet.getMaxRowNumber()) {
session.insertTablet(tablet, true);
tablet.reset();
}
timestamp++;
}
if (tablet.rowSize != 0) {
session.insertTablet(tablet);
tablet.reset();
}
session.executeNonQueryStatement("flush");
}
```
And query:
```
SessionDataSet dataSet = session.executeQueryStatement("select * from root.sg_1.d1");
System.out.println(dataSet.getColumnNames());
while (dataSet.hasNext()) {
System.out.println(dataSet.next());
}
```
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[GitHub] [iotdb] sonarcloud[bot] commented on pull request #3180: [IOTDB-1378] Fix MetadataIndexTree constructs error when existing more than one chunks in vector
Posted by GitBox <gi...@apache.org>.
sonarcloud[bot] commented on pull request #3180:
URL: https://github.com/apache/iotdb/pull/3180#issuecomment-840299943
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[GitHub] [iotdb] HTHou merged pull request #3180: [IOTDB-1378] Fix MetadataIndexTree constructs error when existing more than one chunks in vector
Posted by GitBox <gi...@apache.org>.
HTHou merged pull request #3180:
URL: https://github.com/apache/iotdb/pull/3180
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