Examples with MatchAllDocsQuery org.apache.lucene.search.MatchAllDocsQuery used on opensource projects

Example 46 with MatchAllDocsQuery

use of org.apache.lucene.search.MatchAllDocsQuery in project elasticsearch by elastic.

the class TermsAggregatorTests method buildInternalAggregation.

private InternalAggregation buildInternalAggregation(TermsAggregationBuilder builder, MappedFieldType fieldType, IndexSearcher searcher) throws IOException {
    try (TermsAggregator aggregator = createAggregator(builder, searcher, fieldType)) {
        aggregator.preCollection();
        searcher.search(new MatchAllDocsQuery(), aggregator);
        aggregator.postCollection();
        return aggregator.buildAggregation(0L);
    }
}

Example 47 with MatchAllDocsQuery

use of org.apache.lucene.search.MatchAllDocsQuery in project elasticsearch by elastic.

the class StatsAggregatorTests method testCase.

public void testCase(MappedFieldType ft, CheckedConsumer<RandomIndexWriter, IOException> buildIndex, Consumer<InternalStats> verify) throws IOException {
    try (Directory directory = newDirectory();
        RandomIndexWriter indexWriter = new RandomIndexWriter(random(), directory)) {
        buildIndex.accept(indexWriter);
        try (IndexReader reader = indexWriter.getReader()) {
            IndexSearcher searcher = new IndexSearcher(reader);
            StatsAggregationBuilder aggBuilder = new StatsAggregationBuilder("my_agg").field("field");
            InternalStats stats = search(searcher, new MatchAllDocsQuery(), aggBuilder, ft);
            verify.accept(stats);
        }
    }
}

Example 48 with MatchAllDocsQuery

use of org.apache.lucene.search.MatchAllDocsQuery in project elasticsearch by elastic.

the class ValueCountAggregatorTests method testNoMatchingField.

public void testNoMatchingField() throws IOException {
    testCase(new MatchAllDocsQuery(), ValueType.LONG, iw -> {
        iw.addDocument(singleton(new SortedNumericDocValuesField("wrong_number", 7)));
        iw.addDocument(singleton(new SortedNumericDocValuesField("wrong_number", 1)));
    }, count -> assertEquals(0L, count.getValue()));
}

Example 49 with MatchAllDocsQuery

use of org.apache.lucene.search.MatchAllDocsQuery in project elasticsearch by elastic.

the class HDRPercentileRanksAggregatorTests method testEmpty.

public void testEmpty() throws IOException {
    PercentileRanksAggregationBuilder aggBuilder = new PercentileRanksAggregationBuilder("my_agg").field("field").method(PercentilesMethod.HDR).values(0.5);
    MappedFieldType fieldType = new NumberFieldMapper.NumberFieldType(NumberFieldMapper.NumberType.DOUBLE);
    fieldType.setName("field");
    try (IndexReader reader = new MultiReader()) {
        IndexSearcher searcher = new IndexSearcher(reader);
        PercentileRanks ranks = search(searcher, new MatchAllDocsQuery(), aggBuilder, fieldType);
        Percentile rank = ranks.iterator().next();
        assertEquals(Double.NaN, rank.getPercent(), 0d);
        assertEquals(0.5, rank.getValue(), 0d);
    }
}

Example 50 with MatchAllDocsQuery

use of org.apache.lucene.search.MatchAllDocsQuery in project elasticsearch by elastic.

the class HDRPercentileRanksAggregatorTests method testSimple.

public void testSimple() throws IOException {
    try (Directory dir = newDirectory();
        RandomIndexWriter w = new RandomIndexWriter(random(), dir)) {
        for (double value : new double[] { 3, 0.2, 10 }) {
            Document doc = new Document();
            doc.add(new SortedNumericDocValuesField("field", NumericUtils.doubleToSortableLong(value)));
            w.addDocument(doc);
        }
        PercentileRanksAggregationBuilder aggBuilder = new PercentileRanksAggregationBuilder("my_agg").field("field").method(PercentilesMethod.HDR).values(0.1, 0.5, 12);
        MappedFieldType fieldType = new NumberFieldMapper.NumberFieldType(NumberFieldMapper.NumberType.DOUBLE);
        fieldType.setName("field");
        try (IndexReader reader = w.getReader()) {
            IndexSearcher searcher = new IndexSearcher(reader);
            PercentileRanks ranks = search(searcher, new MatchAllDocsQuery(), aggBuilder, fieldType);
            Iterator<Percentile> rankIterator = ranks.iterator();
            Percentile rank = rankIterator.next();
            assertEquals(0.1, rank.getValue(), 0d);
            assertThat(rank.getPercent(), Matchers.equalTo(0d));
            rank = rankIterator.next();
            assertEquals(0.5, rank.getValue(), 0d);
            assertThat(rank.getPercent(), Matchers.greaterThan(0d));
            assertThat(rank.getPercent(), Matchers.lessThan(100d));
            rank = rankIterator.next();
            assertEquals(12, rank.getValue(), 0d);
            assertThat(rank.getPercent(), Matchers.equalTo(100d));
            assertFalse(rankIterator.hasNext());
        }
    }
}