Examples with ListFilter com.facebook.presto.orc.reader.ListFilter used on opensource projects

Example 1 with ListFilter

use of com.facebook.presto.orc.reader.ListFilter in project presto by prestodb.

the class TestListFilter method assertPositionalFilter.

private void assertPositionalFilter(Map<RowAndColumn, TupleDomainFilter> filters, Integer[][][] data) {
    ListFilter listFilter = buildListFilter(filters, data);
    TestFilter2 testFilter = (i, j, value) -> Optional.ofNullable(filters.get(RowAndColumn.of(i + 1, j + 1))).map(filter -> value == null ? filter.testNull() : filter.testLong(value)).orElse(true);
    PositionalFilter positionalFilter = listFilter.getChild().getPositionalFilter();
    for (int i = 0; i < data.length; i++) {
        boolean expectedToPass = true;
        int passCount = 0;
        int failCount = 0;
        for (int j = 0; j < data[i].length; j++) {
            if (!expectedToPass) {
                failCount += data[i][j].length;
                continue;
            }
            for (int k = 0; k < data[i][j].length; k++) {
                Integer value = data[i][j][k];
                expectedToPass = testFilter.test(j, k, value);
                assertEquals(value == null ? positionalFilter.testNull() : positionalFilter.testLong(value), expectedToPass);
                if (!expectedToPass) {
                    assertEquals(positionalFilter.getPrecedingPositionsToFail(), passCount);
                    failCount = data[i][j].length - k - 1;
                    break;
                }
                passCount++;
            }
        }
        assertEquals(positionalFilter.getSucceedingPositionsToFail(), failCount);
    }
}

Example 2 with ListFilter

use of com.facebook.presto.orc.reader.ListFilter in project presto by prestodb.

the class TestListFilter method assertPositionalFilter.

private void assertPositionalFilter(Map<Integer, TupleDomainFilter> filters, Integer[][] data) {
    ListFilter listFilter = buildListFilter(filters, data);
    TestFilter1 testFilter = (i, value) -> Optional.ofNullable(filters.get(i + 1)).map(filter -> value == null ? filter.testNull() : filter.testLong(value)).orElse(true);
    PositionalFilter positionalFilter = listFilter.getPositionalFilter();
    for (int i = 0; i < data.length; i++) {
        for (int j = 0; j < data[i].length; j++) {
            Integer value = data[i][j];
            boolean expectedToPass = testFilter.test(j, value);
            assertEquals(value == null ? positionalFilter.testNull() : positionalFilter.testLong(value), expectedToPass);
            if (!expectedToPass) {
                assertEquals(positionalFilter.getPrecedingPositionsToFail(), j);
                assertEquals(positionalFilter.getSucceedingPositionsToFail(), data[i].length - j - 1);
                break;
            }
        }
    }
}

Example 3 with ListFilter

use of com.facebook.presto.orc.reader.ListFilter in project presto by prestodb.

the class TestListFilter method buildListFilter.

private static ListFilter buildListFilter(Map<Integer, TupleDomainFilter> filters, Integer[][] data) {
    Map<Subfield, TupleDomainFilter> subfieldFilters = filters.entrySet().stream().collect(toImmutableMap(entry -> toSubfield(entry.getKey()), Map.Entry::getValue));
    ListFilter filter = new ListFilter(makeStreamDescriptor(1), subfieldFilters);
    int[] lengths = Arrays.stream(data).mapToInt(v -> v.length).toArray();
    filter.populateElementFilters(data.length, null, lengths, Arrays.stream(lengths).sum());
    return filter;
}

Example 4 with ListFilter

use of com.facebook.presto.orc.reader.ListFilter in project presto by prestodb.

the class TestListFilter method buildListFilter.

private static ListFilter buildListFilter(Map<RowAndColumn, TupleDomainFilter> filters, Integer[][][] data) {
    Map<Subfield, TupleDomainFilter> subfieldFilters = filters.entrySet().stream().collect(toImmutableMap(entry -> toSubfield(entry.getKey()), Map.Entry::getValue));
    ListFilter filter = new ListFilter(makeStreamDescriptor(2), subfieldFilters);
    int[] lengths = Arrays.stream(data).mapToInt(v -> v.length).toArray();
    filter.populateElementFilters(data.length, null, lengths, Arrays.stream(lengths).sum());
    int[] nestedLenghts = Arrays.stream(data).flatMap(Arrays::stream).mapToInt(v -> v.length).toArray();
    ((ListFilter) filter.getChild()).populateElementFilters(Arrays.stream(lengths).sum(), null, nestedLenghts, Arrays.stream(nestedLenghts).sum());
    return filter;
}