org.apache.flink.table.types.logical.BooleanType Java Examples

/**
 * Testing data type shared with the Scala tests.
 */
static DataType getSimplePojoDataType(Class<?> simplePojoClass) {
	final StructuredType.Builder builder = StructuredType.newBuilder(simplePojoClass);
	builder.attributes(
		Arrays.asList(
			new StructuredAttribute("intField", new IntType(true)),
			new StructuredAttribute("primitiveBooleanField", new BooleanType(false)),
			new StructuredAttribute("primitiveIntField", new IntType(false)),
			new StructuredAttribute("stringField", new VarCharType(VarCharType.MAX_LENGTH))));
	builder.setFinal(true);
	builder.setInstantiable(true);
	final StructuredType structuredType = builder.build();

	final List<DataType> fieldDataTypes = Arrays.asList(
		DataTypes.INT(),
		DataTypes.BOOLEAN().notNull().bridgedTo(boolean.class),
		DataTypes.INT().notNull().bridgedTo(int.class),
		DataTypes.STRING()
	);

	return new FieldsDataType(structuredType, simplePojoClass, fieldDataTypes);
}
 

public BytesHashMapTest() {

		this.keyTypes = new LogicalType[] {
				new IntType(),
				new VarCharType(VarCharType.MAX_LENGTH),
				new DoubleType(),
				new BigIntType(),
				new BooleanType(),
				new FloatType(),
				new SmallIntType()
		};
		this.valueTypes = new LogicalType[] {
				new DoubleType(),
				new BigIntType(),
				new BooleanType(),
				new FloatType(),
				new SmallIntType()
		};

		this.keySerializer = new BinaryRowSerializer(keyTypes.length);
		this.valueSerializer = new BinaryRowSerializer(valueTypes.length);
		this.defaultValue = valueSerializer.createInstance();
		int valueSize = defaultValue.getFixedLengthPartSize();
		this.defaultValue.pointTo(MemorySegmentFactory.wrap(new byte[valueSize]), 0, valueSize);
	}
 

/**
 * Testing data type shared with the Scala tests.
 */
public static DataType getPojoWithCustomOrderDataType(Class<?> pojoClass) {
	final StructuredType.Builder builder = StructuredType.newBuilder(pojoClass);
	builder.attributes(
		Arrays.asList(
			new StructuredAttribute(
				"z",
				new BigIntType()),
			new StructuredAttribute(
				"y",
				new BooleanType()),
			new StructuredAttribute(
				"x",
				new IntType())));
	builder.setFinal(true);
	builder.setInstantiable(true);
	final StructuredType structuredType = builder.build();

	final List<DataType> fieldDataTypes = Arrays.asList(
		DataTypes.BIGINT(),
		DataTypes.BOOLEAN(),
		DataTypes.INT()
	);

	return new FieldsDataType(structuredType, pojoClass, fieldDataTypes);
}
 

private static DataType getInnerTupleDataType() {
	final StructuredType.Builder builder = StructuredType.newBuilder(Tuple2.class);
	builder.attributes(
		Arrays.asList(
			new StructuredAttribute(
				"f0",
				new VarCharType(VarCharType.MAX_LENGTH)),
			new StructuredAttribute(
				"f1",
				new BooleanType())));
	builder.setFinal(true);
	builder.setInstantiable(true);
	final StructuredType structuredType = builder.build();

	final List<DataType> fieldDataTypes = Arrays.asList(
		DataTypes.STRING(),
		DataTypes.BOOLEAN()
	);

	return new FieldsDataType(structuredType, Tuple2.class, fieldDataTypes);
}
 

public BytesHashMapTest() {

		this.keyTypes = new LogicalType[] {
				new IntType(),
				new VarCharType(VarCharType.MAX_LENGTH),
				new DoubleType(),
				new BigIntType(),
				new BooleanType(),
				new FloatType(),
				new SmallIntType()
		};
		this.valueTypes = new LogicalType[] {
				new DoubleType(),
				new BigIntType(),
				new BooleanType(),
				new FloatType(),
				new SmallIntType()
		};

		this.keySerializer = new BinaryRowDataSerializer(keyTypes.length);
		this.valueSerializer = new BinaryRowDataSerializer(valueTypes.length);
		this.defaultValue = valueSerializer.createInstance();
		int valueSize = defaultValue.getFixedLengthPartSize();
		this.defaultValue.pointTo(MemorySegmentFactory.wrap(new byte[valueSize]), 0, valueSize);
	}
 

@SuppressWarnings("checkstyle:CyclomaticComplexity")
@Override
public Type atomic(AtomicDataType type) {
  LogicalType inner = type.getLogicalType();
  if (inner instanceof VarCharType ||
      inner instanceof CharType) {
    return Types.StringType.get();
  } else if (inner instanceof BooleanType) {
    return Types.BooleanType.get();
  } else if (inner instanceof IntType ||
      inner instanceof SmallIntType ||
      inner instanceof TinyIntType) {
    return Types.IntegerType.get();
  } else if (inner instanceof BigIntType) {
    return Types.LongType.get();
  } else if (inner instanceof VarBinaryType) {
    return Types.BinaryType.get();
  } else if (inner instanceof BinaryType) {
    BinaryType binaryType = (BinaryType) inner;
    return Types.FixedType.ofLength(binaryType.getLength());
  } else if (inner instanceof FloatType) {
    return Types.FloatType.get();
  } else if (inner instanceof DoubleType) {
    return Types.DoubleType.get();
  } else if (inner instanceof DateType) {
    return Types.DateType.get();
  } else if (inner instanceof TimeType) {
    return Types.TimeType.get();
  } else if (inner instanceof TimestampType) {
    return Types.TimestampType.withoutZone();
  } else if (inner instanceof LocalZonedTimestampType) {
    return Types.TimestampType.withZone();
  } else if (inner instanceof DecimalType) {
    DecimalType decimalType = (DecimalType) inner;
    return Types.DecimalType.of(decimalType.getPrecision(), decimalType.getScale());
  } else {
    throw new UnsupportedOperationException("Not a supported type: " + type.toString());
  }
}
 

@Test
public void testBooleanType() {
	testAll(
		new BooleanType(),
		"BOOLEAN",
		"BOOLEAN",
		new Class[]{Boolean.class, boolean.class},
		new Class[]{Boolean.class},
		new LogicalType[]{},
		new BooleanType(false)
	);
}
 

private static RowType createRowType(LogicalType replacedType) {
	return new RowType(
		Arrays.asList(
			new RowType.RowField("field1", new CharType(2)),
			new RowType.RowField("field2", new BooleanType()),
			new RowType.RowField("field3", replacedType)));
}
 

@Test
public void testBinaryRowTypeInfoInequality() {
	RowDataTypeInfo typeInfo1 = new RowDataTypeInfo(
			new IntType(),
			new VarCharType(VarCharType.MAX_LENGTH));

	RowDataTypeInfo typeInfo2 = new RowDataTypeInfo(
			new IntType(),
			new BooleanType());

	assertNotEquals(typeInfo1, typeInfo2);
	assertNotEquals(typeInfo1.hashCode(), typeInfo2.hashCode());
}
 

private static RowType createRowType(LogicalType replacedType) {
	return new RowType(
		Arrays.asList(
			new RowType.RowField("field1", new CharType(2)),
			new RowType.RowField("field2", new BooleanType()),
			new RowType.RowField("field3", replacedType)));
}
 

@Test
public void testBooleanType() {
	testAll(
		new BooleanType(),
		"BOOLEAN",
		"BOOLEAN",
		new Class[]{Boolean.class, boolean.class},
		new Class[]{Boolean.class},
		new LogicalType[]{},
		new BooleanType(false)
	);
}
 

@Override
public FlinkFnApi.Schema.FieldType visit(BooleanType booleanType) {
	return FlinkFnApi.Schema.FieldType.newBuilder()
		.setTypeName(FlinkFnApi.Schema.TypeName.BOOLEAN)
		.setNullable(booleanType.isNullable())
		.build();
}
 

@Test
public void testBinaryRowTypeInfoInequality() {
	BaseRowTypeInfo typeInfo1 = new BaseRowTypeInfo(
			new IntType(),
			new VarCharType(VarCharType.MAX_LENGTH));

	BaseRowTypeInfo typeInfo2 = new BaseRowTypeInfo(
			new IntType(),
			new BooleanType());

	assertNotEquals(typeInfo1, typeInfo2);
	assertNotEquals(typeInfo1.hashCode(), typeInfo2.hashCode());
}
 

@BeforeClass
public static void init() {
	fieldTypes.add(new TinyIntType());
	fieldTypes.add(new SmallIntType());
	fieldTypes.add(new IntType());
	fieldTypes.add(new BigIntType());
	fieldTypes.add(new BooleanType());
	fieldTypes.add(new FloatType());
	fieldTypes.add(new DoubleType());
	fieldTypes.add(new VarCharType());
	fieldTypes.add(new VarBinaryType());
	fieldTypes.add(new DecimalType(10, 3));
	fieldTypes.add(new DateType());
	fieldTypes.add(new TimeType(0));
	fieldTypes.add(new TimeType(2));
	fieldTypes.add(new TimeType(4));
	fieldTypes.add(new TimeType(8));
	fieldTypes.add(new LocalZonedTimestampType(0));
	fieldTypes.add(new LocalZonedTimestampType(2));
	fieldTypes.add(new LocalZonedTimestampType(4));
	fieldTypes.add(new LocalZonedTimestampType(8));
	fieldTypes.add(new TimestampType(0));
	fieldTypes.add(new TimestampType(2));
	fieldTypes.add(new TimestampType(4));
	fieldTypes.add(new TimestampType(8));
	fieldTypes.add(new ArrayType(new VarCharType()));
	rowFieldType = new RowType(Arrays.asList(
		new RowType.RowField("a", new IntType()),
		new RowType.RowField("b", new VarCharType()),
		new RowType.RowField("c", new ArrayType(new VarCharType())),
		new RowType.RowField("d", new TimestampType(2)),
		new RowType.RowField("e", new RowType(Arrays.asList(
			new RowType.RowField("e1", new IntType()),
			new RowType.RowField("e2", new VarCharType()))))));
	fieldTypes.add(rowFieldType);

	List<RowType.RowField> rowFields = new ArrayList<>();
	for (int i = 0; i < fieldTypes.size(); i++) {
		rowFields.add(new RowType.RowField("f" + i, fieldTypes.get(i)));
	}
	rowType = new RowType(rowFields);
	allocator = ArrowUtils.getRootAllocator().newChildAllocator("stdout", 0, Long.MAX_VALUE);
}
 

@Override
public TypeSerializer visit(BooleanType booleanType) {
	return BooleanSerializer.INSTANCE;
}
 

private int readSplitAndCheck(
		int start,
		long seekToRow,
		Path testPath,
		long splitStart,
		long splitLength,
		List<Integer> values) throws IOException {
	LogicalType[] fieldTypes = new LogicalType[]{
			new VarCharType(VarCharType.MAX_LENGTH),
			new BooleanType(),
			new TinyIntType(),
			new SmallIntType(),
			new IntType(),
			new BigIntType(),
			new FloatType(),
			new DoubleType(),
			new TimestampType(9),
			new DecimalType(5, 0),
			new DecimalType(15, 0),
			new DecimalType(20, 0),
			new DecimalType(5, 0),
			new DecimalType(15, 0),
			new DecimalType(20, 0)};

	ParquetColumnarRowSplitReader reader = new ParquetColumnarRowSplitReader(
			false,
			true,
			new Configuration(),
			fieldTypes,
			new String[] {
					"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
					"f8", "f9", "f10", "f11", "f12", "f13", "f14"},
			VectorizedColumnBatch::new,
			500,
			new org.apache.hadoop.fs.Path(testPath.getPath()),
			splitStart,
			splitLength);
	reader.seekToRow(seekToRow);

	int i = start;
	while (!reader.reachedEnd()) {
		ColumnarRowData row = reader.nextRecord();
		Integer v = values.get(i);
		if (v == null) {
			assertTrue(row.isNullAt(0));
			assertTrue(row.isNullAt(1));
			assertTrue(row.isNullAt(2));
			assertTrue(row.isNullAt(3));
			assertTrue(row.isNullAt(4));
			assertTrue(row.isNullAt(5));
			assertTrue(row.isNullAt(6));
			assertTrue(row.isNullAt(7));
			assertTrue(row.isNullAt(8));
			assertTrue(row.isNullAt(9));
			assertTrue(row.isNullAt(10));
			assertTrue(row.isNullAt(11));
			assertTrue(row.isNullAt(12));
			assertTrue(row.isNullAt(13));
			assertTrue(row.isNullAt(14));
		} else {
			assertEquals("" + v, row.getString(0).toString());
			assertEquals(v % 2 == 0, row.getBoolean(1));
			assertEquals(v.byteValue(), row.getByte(2));
			assertEquals(v.shortValue(), row.getShort(3));
			assertEquals(v.intValue(), row.getInt(4));
			assertEquals(v.longValue(), row.getLong(5));
			assertEquals(v.floatValue(), row.getFloat(6), 0);
			assertEquals(v.doubleValue(), row.getDouble(7), 0);
			assertEquals(
					toDateTime(v),
					row.getTimestamp(8, 9).toLocalDateTime());
			assertEquals(BigDecimal.valueOf(v), row.getDecimal(9, 5, 0).toBigDecimal());
			assertEquals(BigDecimal.valueOf(v), row.getDecimal(10, 15, 0).toBigDecimal());
			assertEquals(BigDecimal.valueOf(v), row.getDecimal(11, 20, 0).toBigDecimal());
			assertEquals(BigDecimal.valueOf(v), row.getDecimal(12, 5, 0).toBigDecimal());
			assertEquals(BigDecimal.valueOf(v), row.getDecimal(13, 15, 0).toBigDecimal());
			assertEquals(BigDecimal.valueOf(v), row.getDecimal(14, 20, 0).toBigDecimal());
		}
		i++;
	}
	reader.close();
	return i - start;
}
 

@Override
public ArrowType visit(BooleanType booleanType) {
	return ArrowType.Bool.INSTANCE;
}
 

@BeforeClass
public static void init() {
	testFields = new ArrayList<>();
	testFields.add(Tuple7.of(
		"f1", new TinyIntType(), new ArrowType.Int(8, true), RowTinyIntWriter.class,
		TinyIntWriter.TinyIntWriterForRow.class, TinyIntFieldReader.class, ArrowTinyIntColumnVector.class));

	testFields.add(Tuple7.of("f2", new SmallIntType(), new ArrowType.Int(8 * 2, true),
		RowSmallIntWriter.class, SmallIntWriter.SmallIntWriterForRow.class, SmallIntFieldReader.class, ArrowSmallIntColumnVector.class));

	testFields.add(Tuple7.of("f3", new IntType(), new ArrowType.Int(8 * 4, true),
		RowIntWriter.class, IntWriter.IntWriterForRow.class, IntFieldReader.class, ArrowIntColumnVector.class));

	testFields.add(Tuple7.of("f4", new BigIntType(), new ArrowType.Int(8 * 8, true),
		RowBigIntWriter.class, BigIntWriter.BigIntWriterForRow.class, BigIntFieldReader.class, ArrowBigIntColumnVector.class));

	testFields.add(Tuple7.of("f5", new BooleanType(), new ArrowType.Bool(),
		RowBooleanWriter.class, BooleanWriter.BooleanWriterForRow.class, BooleanFieldReader.class, ArrowBooleanColumnVector.class));

	testFields.add(Tuple7.of("f6", new FloatType(), new ArrowType.FloatingPoint(FloatingPointPrecision.SINGLE),
		RowFloatWriter.class, FloatWriter.FloatWriterForRow.class, FloatFieldReader.class, ArrowFloatColumnVector.class));

	testFields.add(Tuple7.of("f7", new DoubleType(), new ArrowType.FloatingPoint(FloatingPointPrecision.DOUBLE),
		RowDoubleWriter.class, DoubleWriter.DoubleWriterForRow.class, DoubleFieldReader.class, ArrowDoubleColumnVector.class));

	testFields.add(Tuple7.of("f8", new VarCharType(), ArrowType.Utf8.INSTANCE,
		RowVarCharWriter.class, VarCharWriter.VarCharWriterForRow.class, VarCharFieldReader.class, ArrowVarCharColumnVector.class));

	testFields.add(Tuple7.of("f9", new VarBinaryType(), ArrowType.Binary.INSTANCE,
		RowVarBinaryWriter.class, VarBinaryWriter.VarBinaryWriterForRow.class, VarBinaryFieldReader.class, ArrowVarBinaryColumnVector.class));

	testFields.add(Tuple7.of("f10", new DecimalType(10, 3), new ArrowType.Decimal(10, 3),
		RowDecimalWriter.class, DecimalWriter.DecimalWriterForRow.class, DecimalFieldReader.class, ArrowDecimalColumnVector.class));

	testFields.add(Tuple7.of("f11", new DateType(), new ArrowType.Date(DateUnit.DAY),
		RowDateWriter.class, DateWriter.DateWriterForRow.class, DateFieldReader.class, ArrowDateColumnVector.class));

	testFields.add(Tuple7.of("f13", new TimeType(0), new ArrowType.Time(TimeUnit.SECOND, 32),
		RowTimeWriter.class, TimeWriter.TimeWriterForRow.class, TimeFieldReader.class, ArrowTimeColumnVector.class));

	testFields.add(Tuple7.of("f14", new TimeType(2), new ArrowType.Time(TimeUnit.MILLISECOND, 32),
		RowTimeWriter.class, TimeWriter.TimeWriterForRow.class, TimeFieldReader.class, ArrowTimeColumnVector.class));

	testFields.add(Tuple7.of("f15", new TimeType(4), new ArrowType.Time(TimeUnit.MICROSECOND, 64),
		RowTimeWriter.class, TimeWriter.TimeWriterForRow.class, TimeFieldReader.class, ArrowTimeColumnVector.class));

	testFields.add(Tuple7.of("f16", new TimeType(8), new ArrowType.Time(TimeUnit.NANOSECOND, 64),
		RowTimeWriter.class, TimeWriter.TimeWriterForRow.class, TimeFieldReader.class, ArrowTimeColumnVector.class));

	testFields.add(Tuple7.of("f17", new LocalZonedTimestampType(0), new ArrowType.Timestamp(TimeUnit.SECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f18", new LocalZonedTimestampType(2), new ArrowType.Timestamp(TimeUnit.MILLISECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f19", new LocalZonedTimestampType(4), new ArrowType.Timestamp(TimeUnit.MICROSECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f20", new LocalZonedTimestampType(8), new ArrowType.Timestamp(TimeUnit.NANOSECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f21", new TimestampType(0), new ArrowType.Timestamp(TimeUnit.SECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f22", new TimestampType(2), new ArrowType.Timestamp(TimeUnit.MILLISECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f23", new TimestampType(4), new ArrowType.Timestamp(TimeUnit.MICROSECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f24", new TimestampType(8), new ArrowType.Timestamp(TimeUnit.NANOSECOND, null),
		RowTimestampWriter.class, TimestampWriter.TimestampWriterForRow.class, TimestampFieldReader.class, ArrowTimestampColumnVector.class));

	testFields.add(Tuple7.of("f25", new ArrayType(new VarCharType()), ArrowType.List.INSTANCE,
		RowArrayWriter.class, ArrayWriter.ArrayWriterForRow.class, ArrayFieldReader.class, ArrowArrayColumnVector.class));

	RowType rowFieldType = new RowType(Arrays.asList(
		new RowType.RowField("a", new IntType()),
		new RowType.RowField("b", new VarCharType()),
		new RowType.RowField("c", new ArrayType(new VarCharType())),
		new RowType.RowField("d", new TimestampType(2)),
		new RowType.RowField("e", new RowType((Arrays.asList(
			new RowType.RowField("e1", new IntType()),
			new RowType.RowField("e2", new VarCharType())))))));
	testFields.add(Tuple7.of("f26", rowFieldType, ArrowType.Struct.INSTANCE,
		RowRowWriter.class, RowWriter.RowWriterForRow.class, RowFieldReader.class, ArrowRowColumnVector.class));

	List<RowType.RowField> rowFields = new ArrayList<>();
	for (Tuple7<String, LogicalType, ArrowType, Class<?>, Class<?>, Class<?>, Class<?>> field : testFields) {
		rowFields.add(new RowType.RowField(field.f0, field.f1));
	}
	rowType = new RowType(rowFields);

	allocator = ArrowUtils.getRootAllocator().newChildAllocator("stdout", 0, Long.MAX_VALUE);
}
 

@BeforeClass
public static void init() {
	List<LogicalType> fieldTypes = new ArrayList<>();
	fieldTypes.add(new TinyIntType());
	fieldTypes.add(new SmallIntType());
	fieldTypes.add(new IntType());
	fieldTypes.add(new BigIntType());
	fieldTypes.add(new BooleanType());
	fieldTypes.add(new FloatType());
	fieldTypes.add(new DoubleType());
	fieldTypes.add(new VarCharType());
	fieldTypes.add(new VarBinaryType());
	fieldTypes.add(new DecimalType(10, 0));
	fieldTypes.add(new DateType());
	fieldTypes.add(new TimeType(0));
	fieldTypes.add(new TimeType(2));
	fieldTypes.add(new TimeType(4));
	fieldTypes.add(new TimeType(8));
	fieldTypes.add(new LocalZonedTimestampType(0));
	fieldTypes.add(new LocalZonedTimestampType(2));
	fieldTypes.add(new LocalZonedTimestampType(4));
	fieldTypes.add(new LocalZonedTimestampType(8));
	fieldTypes.add(new TimestampType(0));
	fieldTypes.add(new TimestampType(2));
	fieldTypes.add(new TimestampType(4));
	fieldTypes.add(new TimestampType(8));
	fieldTypes.add(new ArrayType(new VarCharType()));
	fieldTypes.add(new RowType(Arrays.asList(
		new RowType.RowField("a", new IntType()),
		new RowType.RowField("b", new VarCharType()),
		new RowType.RowField("c", new ArrayType(new VarCharType())),
		new RowType.RowField("d", new TimestampType(2)),
		new RowType.RowField("e", new RowType(Arrays.asList(
			new RowType.RowField("e1", new IntType()),
			new RowType.RowField("e2", new VarCharType())))))));

	List<RowType.RowField> rowFields = new ArrayList<>();
	for (int i = 0; i < fieldTypes.size(); i++) {
		rowFields.add(new RowType.RowField("f" + i, fieldTypes.get(i)));
	}
	rowType = new RowType(rowFields);
	allocator = ArrowUtils.getRootAllocator().newChildAllocator("stdout", 0, Long.MAX_VALUE);
}
 

@Override
public TypeInfo visit(BooleanType booleanType) {
	return TypeInfoFactory.booleanTypeInfo;
}
 

@Override
public R visit(BooleanType booleanType) {
	return defaultMethod(booleanType);
}
 

private LogicalType parseTypeByKeyword() {
	nextToken(TokenType.KEYWORD);
	switch (tokenAsKeyword()) {
		case CHAR:
			return parseCharType();
		case VARCHAR:
			return parseVarCharType();
		case STRING:
			return new VarCharType(VarCharType.MAX_LENGTH);
		case BOOLEAN:
			return new BooleanType();
		case BINARY:
			return parseBinaryType();
		case VARBINARY:
			return parseVarBinaryType();
		case BYTES:
			return new VarBinaryType(VarBinaryType.MAX_LENGTH);
		case DECIMAL:
		case NUMERIC:
		case DEC:
			return parseDecimalType();
		case TINYINT:
			return new TinyIntType();
		case SMALLINT:
			return new SmallIntType();
		case INT:
		case INTEGER:
			return new IntType();
		case BIGINT:
			return new BigIntType();
		case FLOAT:
			return new FloatType();
		case DOUBLE:
			return parseDoubleType();
		case DATE:
			return new DateType();
		case TIME:
			return parseTimeType();
		case TIMESTAMP:
			return parseTimestampType();
		case INTERVAL:
			return parseIntervalType();
		case ARRAY:
			return parseArrayType();
		case MULTISET:
			return parseMultisetType();
		case MAP:
			return parseMapType();
		case ROW:
			return parseRowType();
		case NULL:
			return new NullType();
		case RAW:
			return parseRawType();
		case LEGACY:
			return parseLegacyType();
		default:
			throw parsingError("Unsupported type: " + token().value);
	}
}
 

@Override
public DataType visit(BooleanType booleanType) {
	return new AtomicDataType(booleanType);
}
 

@Override
public TypeInfo visit(BooleanType booleanType) {
	return TypeInfoFactory.booleanTypeInfo;
}
 

@Override
public Type visit(BooleanType booleanType) {
    return Type.BOOL;
}
 

@Parameters(name = "{index}: {0}=[Logical: {1}, Class: {2}]")
public static List<Object[]> dataTypes() {
	return Arrays.asList(
		new Object[][]{
			{CHAR(2), new CharType(2), String.class},

			{VARCHAR(2), new VarCharType(2), String.class},

			{STRING(), new VarCharType(VarCharType.MAX_LENGTH), String.class},

			{BOOLEAN(), new BooleanType(), Boolean.class},

			{BINARY(42), new BinaryType(42), byte[].class},

			{VARBINARY(42), new VarBinaryType(42), byte[].class},

			{BYTES(), new VarBinaryType(VarBinaryType.MAX_LENGTH), byte[].class},

			{DECIMAL(10, 10), new DecimalType(10, 10), BigDecimal.class},

			{TINYINT(), new TinyIntType(), Byte.class},

			{SMALLINT(), new SmallIntType(), Short.class},

			{INT(), new IntType(), Integer.class},

			{BIGINT(), new BigIntType(), Long.class},

			{FLOAT(), new FloatType(), Float.class},

			{DOUBLE(), new DoubleType(), Double.class},

			{DATE(), new DateType(), java.time.LocalDate.class},

			{TIME(3), new TimeType(3), java.time.LocalTime.class},

			{TIME(), new TimeType(0), java.time.LocalTime.class},

			{TIMESTAMP(3), new TimestampType(3), java.time.LocalDateTime.class},

			{TIMESTAMP(), new TimestampType(6), java.time.LocalDateTime.class},

			{TIMESTAMP_WITH_TIME_ZONE(3),
				new ZonedTimestampType(3),
				java.time.OffsetDateTime.class},

			{TIMESTAMP_WITH_TIME_ZONE(),
				new ZonedTimestampType(6),
				java.time.OffsetDateTime.class},

			{TIMESTAMP_WITH_LOCAL_TIME_ZONE(3),
				new LocalZonedTimestampType(3),
				java.time.Instant.class},

			{TIMESTAMP_WITH_LOCAL_TIME_ZONE(),
				new LocalZonedTimestampType(6),
				java.time.Instant.class},

			{INTERVAL(MINUTE(), SECOND(3)),
				new DayTimeIntervalType(MINUTE_TO_SECOND, DEFAULT_DAY_PRECISION, 3),
				java.time.Duration.class},

			{INTERVAL(MONTH()),
				new YearMonthIntervalType(YearMonthResolution.MONTH),
				java.time.Period.class},

			{ARRAY(ARRAY(INT())),
				new ArrayType(new ArrayType(new IntType())),
				Integer[][].class},

			{MULTISET(MULTISET(INT())),
				new MultisetType(new MultisetType(new IntType())),
				Map.class},

			{MAP(INT(), SMALLINT()),
				new MapType(new IntType(), new SmallIntType()),
				Map.class},

			{ROW(FIELD("field1", CHAR(2)), FIELD("field2", BOOLEAN())),
				new RowType(
					Arrays.asList(
						new RowType.RowField("field1", new CharType(2)),
						new RowType.RowField("field2", new BooleanType()))),
				Row.class},

			{NULL(), new NullType(), Object.class},

			{ANY(Types.GENERIC(DataTypesTest.class)),
				new TypeInformationAnyType<>(Types.GENERIC(DataTypesTest.class)),
				DataTypesTest.class},

			{ANY(Void.class, VoidSerializer.INSTANCE),
				new AnyType<>(Void.class, VoidSerializer.INSTANCE),
				Void.class}
		}
	);
}
 

@Override
public R visit(BooleanType booleanType) {
	return defaultMethod(booleanType);
}
 

private LogicalType parseTypeByKeyword() {
	nextToken(TokenType.KEYWORD);
	switch (tokenAsKeyword()) {
		case CHAR:
			return parseCharType();
		case VARCHAR:
			return parseVarCharType();
		case STRING:
			return new VarCharType(VarCharType.MAX_LENGTH);
		case BOOLEAN:
			return new BooleanType();
		case BINARY:
			return parseBinaryType();
		case VARBINARY:
			return parseVarBinaryType();
		case BYTES:
			return new VarBinaryType(VarBinaryType.MAX_LENGTH);
		case DECIMAL:
		case NUMERIC:
		case DEC:
			return parseDecimalType();
		case TINYINT:
			return new TinyIntType();
		case SMALLINT:
			return new SmallIntType();
		case INT:
		case INTEGER:
			return new IntType();
		case BIGINT:
			return new BigIntType();
		case FLOAT:
			return new FloatType();
		case DOUBLE:
			return parseDoubleType();
		case DATE:
			return new DateType();
		case TIME:
			return parseTimeType();
		case TIMESTAMP:
			return parseTimestampType();
		case INTERVAL:
			return parseIntervalType();
		case ARRAY:
			return parseArrayType();
		case MULTISET:
			return parseMultisetType();
		case MAP:
			return parseMapType();
		case ROW:
			return parseRowType();
		case NULL:
			return new NullType();
		case ANY:
			return parseAnyType();
		default:
			throw parsingError("Unsupported type: " + token().value);
	}
}
 

@Override
public DataType visit(BooleanType booleanType) {
	return new AtomicDataType(booleanType);
}
 

/**
 * Data type of a boolean with a (possibly) three-valued logic of {@code TRUE, FALSE, UNKNOWN}.
 *
 * @see BooleanType
 */
public static DataType BOOLEAN() {
	return new AtomicDataType(new BooleanType());
}