Package io.druid.query.metadata.metadata

Examples of io.druid.query.metadata.metadata.SegmentMetadataQuery

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    return new QueryRunner<SegmentAnalysis>()
    {
      @Override
      public Sequence<SegmentAnalysis> run(Query<SegmentAnalysis> inQ, Map<String, Object> context)
      {
        SegmentMetadataQuery query = (SegmentMetadataQuery) inQ;

        final QueryableIndex index = segment.asQueryableIndex();
        if (index == null) {
          return Sequences.empty();
        }

        final Map<String, ColumnAnalysis> analyzedColumns = analyzer.analyze(index);

        // Initialize with the size of the whitespace, 1 byte per
        long totalSize = analyzedColumns.size() * index.getNumRows();

        Map<String, ColumnAnalysis> columns = Maps.newTreeMap();
        ColumnIncluderator includerator = query.getToInclude();
        for (Map.Entry<String, ColumnAnalysis> entry : analyzedColumns.entrySet()) {
          final String columnName = entry.getKey();
          final ColumnAnalysis column = entry.getValue();

          if (!column.isError()) {
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  @Test
  @SuppressWarnings("unchecked")
  public void testSegmentMetadataQuery()
  {
    SegmentMetadataQuery query = Druids.newSegmentMetadataQueryBuilder()
                                       .dataSource("testing")
                                       .intervals("2013/2014")
                                       .toInclude(new ListColumnIncluderator(Arrays.asList("placement")))
                                       .merge(true)
                                       .build();
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            new SegmentMetadataQueryQueryToolChest(),
            QueryRunnerTestHelper.NOOP_QUERYWATCHER
        ), index
    );

    final SegmentMetadataQuery query = new SegmentMetadataQuery(
        new LegacyDataSource("test"), QuerySegmentSpecs.create("2011/2012"), null, null, null
    );
    HashMap<String,Object> context = new HashMap<String, Object>();
    return Sequences.toList(query.run(runner, context), Lists.<SegmentAnalysis>newArrayList());
  }
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      context = null;
    }

    public SegmentMetadataQuery build()
    {
      return new SegmentMetadataQuery(
          dataSource,
          querySegmentSpec,
          toInclude,
          merge,
          context
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Related Classes of io.druid.query.metadata.metadata.SegmentMetadataQuery

  • io.druid.query.Druids$SegmentMetadataQueryBuilder
  • io.druid.query.metadata.SegmentAnalyzerTest
  • io.druid.query.metadata.SegmentMetadataQueryRunnerFactory
  • io.druid.query.metadata.SegmentMetadataQueryTest
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