Examples with SketchMergeAggregatorFactory org.apache.druid.query.aggregation.datasketches.theta.SketchMergeAggregatorFactory used on opensource projects

Example 6 with SketchMergeAggregatorFactory

use of org.apache.druid.query.aggregation.datasketches.theta.SketchMergeAggregatorFactory in project druid by druid-io.

the class ThetaSketchSqlAggregatorTest method createQuerySegmentWalker.

@Override
public SpecificSegmentsQuerySegmentWalker createQuerySegmentWalker() throws IOException {
    SketchModule.registerSerde();
    final QueryableIndex index = IndexBuilder.create().tmpDir(temporaryFolder.newFolder()).segmentWriteOutMediumFactory(OffHeapMemorySegmentWriteOutMediumFactory.instance()).schema(new IncrementalIndexSchema.Builder().withMetrics(new CountAggregatorFactory("cnt"), new DoubleSumAggregatorFactory("m1", "m1"), new SketchMergeAggregatorFactory("thetasketch_dim1", "dim1", null, false, false, null)).withRollup(false).build()).rows(CalciteTests.ROWS1).buildMMappedIndex();
    return new SpecificSegmentsQuerySegmentWalker(conglomerate).add(DataSegment.builder().dataSource(DATA_SOURCE).interval(index.getDataInterval()).version("1").shardSpec(new LinearShardSpec(0)).size(0).build(), index);
}