Examples with DictionaryDescriptor com.facebook.presto.parquet.predicate.DictionaryDescriptor used on opensource projects

Example 1 with DictionaryDescriptor

use of com.facebook.presto.parquet.predicate.DictionaryDescriptor in project presto by prestodb.

the class TestTupleDomainParquetPredicate method testVarcharMatchesWithDictionaryDescriptor.

@Test
public void testVarcharMatchesWithDictionaryDescriptor() {
    ColumnDescriptor columnDescriptor = new ColumnDescriptor(new String[] { "path" }, new PrimitiveType(OPTIONAL, BINARY, 0, ""), 0, 0);
    RichColumnDescriptor column = new RichColumnDescriptor(columnDescriptor, new PrimitiveType(OPTIONAL, BINARY, "Test column"));
    TupleDomain<ColumnDescriptor> effectivePredicate = getEffectivePredicate(column, createVarcharType(255), EMPTY_SLICE);
    TupleDomainParquetPredicate parquetPredicate = new TupleDomainParquetPredicate(effectivePredicate, singletonList(column));
    DictionaryPage page = new DictionaryPage(Slices.wrappedBuffer(new byte[] { 0, 0, 0, 0 }), 1, PLAIN_DICTIONARY);
    assertTrue(parquetPredicate.matches(new DictionaryDescriptor(column, Optional.of(page))));
}