Examples with RichColumnDescriptor com.facebook.presto.parquet.RichColumnDescriptor used on opensource projects

Example 16 with RichColumnDescriptor

use of com.facebook.presto.parquet.RichColumnDescriptor in project presto by prestodb.

the class TestParquetPredicateUtils method testParquetTupleDomainStruct.

@Test
public void testParquetTupleDomainStruct() {
    HiveColumnHandle columnHandle = new HiveColumnHandle("my_struct", HiveType.valueOf("struct<a:int,b:int>"), parseTypeSignature(StandardTypes.ROW), 0, REGULAR, Optional.empty(), Optional.empty());
    RowType.Field rowField = new RowType.Field(Optional.of("my_struct"), INTEGER);
    RowType rowType = RowType.from(ImmutableList.of(rowField));
    TupleDomain<HiveColumnHandle> domain = withColumnDomains(ImmutableMap.of(columnHandle, Domain.notNull(rowType)));
    MessageType fileSchema = new MessageType("hive_schema", new GroupType(OPTIONAL, "my_struct", new PrimitiveType(OPTIONAL, INT32, "a"), new PrimitiveType(OPTIONAL, INT32, "b")));
    Map<List<String>, RichColumnDescriptor> descriptorsByPath = getDescriptors(fileSchema, fileSchema);
    TupleDomain<ColumnDescriptor> tupleDomain = getParquetTupleDomain(descriptorsByPath, domain);
    assertTrue(tupleDomain.getDomains().get().isEmpty());
}