Examples with NamedTypeSignature io.trino.spi.type.NamedTypeSignature used on opensource projects

Example 1 with NamedTypeSignature

use of io.trino.spi.type.NamedTypeSignature in project trino by trinodb.

the class HiveTypeTranslator method toTypeInfo.

public static TypeInfo toTypeInfo(Type type) {
    requireNonNull(type, "type is null");
    if (BOOLEAN.equals(type)) {
        return HIVE_BOOLEAN.getTypeInfo();
    }
    if (BIGINT.equals(type)) {
        return HIVE_LONG.getTypeInfo();
    }
    if (INTEGER.equals(type)) {
        return HIVE_INT.getTypeInfo();
    }
    if (SMALLINT.equals(type)) {
        return HIVE_SHORT.getTypeInfo();
    }
    if (TINYINT.equals(type)) {
        return HIVE_BYTE.getTypeInfo();
    }
    if (REAL.equals(type)) {
        return HIVE_FLOAT.getTypeInfo();
    }
    if (DOUBLE.equals(type)) {
        return HIVE_DOUBLE.getTypeInfo();
    }
    if (type instanceof VarcharType) {
        VarcharType varcharType = (VarcharType) type;
        if (varcharType.isUnbounded()) {
            return HIVE_STRING.getTypeInfo();
        }
        if (varcharType.getBoundedLength() <= HiveVarchar.MAX_VARCHAR_LENGTH) {
            return getVarcharTypeInfo(varcharType.getBoundedLength());
        }
        throw new TrinoException(NOT_SUPPORTED, format("Unsupported Hive type: %s. Supported VARCHAR types: VARCHAR(<=%d), VARCHAR.", type, HiveVarchar.MAX_VARCHAR_LENGTH));
    }
    if (type instanceof CharType) {
        CharType charType = (CharType) type;
        int charLength = charType.getLength();
        if (charLength <= HiveChar.MAX_CHAR_LENGTH) {
            return getCharTypeInfo(charLength);
        }
        throw new TrinoException(NOT_SUPPORTED, format("Unsupported Hive type: %s. Supported CHAR types: CHAR(<=%d).", type, HiveChar.MAX_CHAR_LENGTH));
    }
    if (VARBINARY.equals(type)) {
        return HIVE_BINARY.getTypeInfo();
    }
    if (DATE.equals(type)) {
        return HIVE_DATE.getTypeInfo();
    }
    if (type instanceof TimestampType) {
        return HIVE_TIMESTAMP.getTypeInfo();
    }
    if (type instanceof DecimalType) {
        DecimalType decimalType = (DecimalType) type;
        return new DecimalTypeInfo(decimalType.getPrecision(), decimalType.getScale());
    }
    if (isArrayType(type)) {
        TypeInfo elementType = toTypeInfo(type.getTypeParameters().get(0));
        return getListTypeInfo(elementType);
    }
    if (isMapType(type)) {
        TypeInfo keyType = toTypeInfo(type.getTypeParameters().get(0));
        TypeInfo valueType = toTypeInfo(type.getTypeParameters().get(1));
        return getMapTypeInfo(keyType, valueType);
    }
    if (isRowType(type)) {
        ImmutableList.Builder<String> fieldNames = ImmutableList.builder();
        for (TypeSignatureParameter parameter : type.getTypeSignature().getParameters()) {
            if (!parameter.isNamedTypeSignature()) {
                throw new IllegalArgumentException(format("Expected all parameters to be named type, but got %s", parameter));
            }
            NamedTypeSignature namedTypeSignature = parameter.getNamedTypeSignature();
            if (namedTypeSignature.getName().isEmpty()) {
                throw new TrinoException(NOT_SUPPORTED, format("Anonymous row type is not supported in Hive. Please give each field a name: %s", type));
            }
            fieldNames.add(namedTypeSignature.getName().get());
        }
        return getStructTypeInfo(fieldNames.build(), type.getTypeParameters().stream().map(HiveTypeTranslator::toTypeInfo).collect(toImmutableList()));
    }
    throw new TrinoException(NOT_SUPPORTED, format("Unsupported Hive type: %s", type));
}

Example 2 with NamedTypeSignature

use of io.trino.spi.type.NamedTypeSignature in project trino by trinodb.

the class TestRowParametricType method testTypeSignatureRoundTrip.

@Test
public void testTypeSignatureRoundTrip() {
    TypeSignature typeSignature = new TypeSignature(ROW, TypeSignatureParameter.namedTypeParameter(new NamedTypeSignature(Optional.of(new RowFieldName("col1")), BIGINT.getTypeSignature())), TypeSignatureParameter.namedTypeParameter(new NamedTypeSignature(Optional.of(new RowFieldName("col2")), DOUBLE.getTypeSignature())));
    List<TypeParameter> parameters = typeSignature.getParameters().stream().map(parameter -> TypeParameter.of(parameter, TESTING_TYPE_MANAGER)).collect(Collectors.toList());
    Type rowType = RowParametricType.ROW.createType(TESTING_TYPE_MANAGER, parameters);
    assertEquals(rowType.getTypeSignature(), typeSignature);
}

Example 3 with NamedTypeSignature

use of io.trino.spi.type.NamedTypeSignature in project trino by trinodb.

the class DeltaHiveTypeTranslator method translate.

// Copy from HiveTypeTranslator with a custom mapping for TimestampWithTimeZone
public static TypeInfo translate(Type type) {
    requireNonNull(type, "type is null");
    if (BOOLEAN.equals(type)) {
        return HIVE_BOOLEAN.getTypeInfo();
    }
    if (BIGINT.equals(type)) {
        return HIVE_LONG.getTypeInfo();
    }
    if (INTEGER.equals(type)) {
        return HIVE_INT.getTypeInfo();
    }
    if (SMALLINT.equals(type)) {
        return HIVE_SHORT.getTypeInfo();
    }
    if (TINYINT.equals(type)) {
        return HIVE_BYTE.getTypeInfo();
    }
    if (REAL.equals(type)) {
        return HIVE_FLOAT.getTypeInfo();
    }
    if (DOUBLE.equals(type)) {
        return HIVE_DOUBLE.getTypeInfo();
    }
    if (type instanceof VarcharType) {
        VarcharType varcharType = (VarcharType) type;
        if (varcharType.isUnbounded()) {
            return HIVE_STRING.getTypeInfo();
        }
        if (varcharType.getBoundedLength() <= HiveVarchar.MAX_VARCHAR_LENGTH) {
            return getVarcharTypeInfo(varcharType.getBoundedLength());
        }
        throw new TrinoException(NOT_SUPPORTED, format("Unsupported Hive type: %s. Supported VARCHAR types: VARCHAR(<=%d), VARCHAR.", type, HiveVarchar.MAX_VARCHAR_LENGTH));
    }
    if (type instanceof CharType) {
        CharType charType = (CharType) type;
        int charLength = charType.getLength();
        if (charLength <= HiveChar.MAX_CHAR_LENGTH) {
            return getCharTypeInfo(charLength);
        }
        throw new TrinoException(NOT_SUPPORTED, format("Unsupported Hive type: %s. Supported CHAR types: CHAR(<=%d).", type, HiveChar.MAX_CHAR_LENGTH));
    }
    if (VARBINARY.equals(type)) {
        return HIVE_BINARY.getTypeInfo();
    }
    if (DATE.equals(type)) {
        return HIVE_DATE.getTypeInfo();
    }
    if (type instanceof TimestampWithTimeZoneType) {
        verify(((TimestampWithTimeZoneType) type).getPrecision() == 3, "Unsupported type: %s", type);
        return HIVE_TIMESTAMP.getTypeInfo();
    }
    if (type instanceof TimestampType) {
        verify(((TimestampType) type).getPrecision() == 3, "Unsupported type: %s", type);
        return HIVE_TIMESTAMP.getTypeInfo();
    }
    if (type instanceof DecimalType) {
        DecimalType decimalType = (DecimalType) type;
        return new DecimalTypeInfo(decimalType.getPrecision(), decimalType.getScale());
    }
    if (isArrayType(type)) {
        TypeInfo elementType = translate(type.getTypeParameters().get(0));
        return getListTypeInfo(elementType);
    }
    if (isMapType(type)) {
        TypeInfo keyType = translate(type.getTypeParameters().get(0));
        TypeInfo valueType = translate(type.getTypeParameters().get(1));
        return getMapTypeInfo(keyType, valueType);
    }
    if (isRowType(type)) {
        ImmutableList.Builder<String> fieldNames = ImmutableList.builder();
        for (TypeSignatureParameter parameter : type.getTypeSignature().getParameters()) {
            if (!parameter.isNamedTypeSignature()) {
                throw new IllegalArgumentException(format("Expected all parameters to be named type, but got %s", parameter));
            }
            NamedTypeSignature namedTypeSignature = parameter.getNamedTypeSignature();
            if (namedTypeSignature.getName().isEmpty()) {
                throw new TrinoException(NOT_SUPPORTED, format("Anonymous row type is not supported in Hive. Please give each field a name: %s", type));
            }
            fieldNames.add(namedTypeSignature.getName().get());
        }
        return getStructTypeInfo(fieldNames.build(), type.getTypeParameters().stream().map(DeltaHiveTypeTranslator::translate).collect(toImmutableList()));
    }
    throw new TrinoException(NOT_SUPPORTED, format("Unsupported Delta Lake type: %s", type));
}

Example 4 with NamedTypeSignature

use of io.trino.spi.type.NamedTypeSignature in project trino by trinodb.

the class OrcTester method rowType.

private static Type rowType(Type... fieldTypes) {
    ImmutableList.Builder<TypeSignatureParameter> typeSignatureParameters = ImmutableList.builder();
    for (int i = 0; i < fieldTypes.length; i++) {
        String filedName = "field_" + i;
        Type fieldType = fieldTypes[i];
        typeSignatureParameters.add(TypeSignatureParameter.namedTypeParameter(new NamedTypeSignature(Optional.of(new RowFieldName(filedName)), fieldType.getTypeSignature())));
    }
    return TESTING_TYPE_MANAGER.getParameterizedType(StandardTypes.ROW, typeSignatureParameters.build());
}

Example 5 with NamedTypeSignature

use of io.trino.spi.type.NamedTypeSignature in project trino by trinodb.

the class RowParametricType method createType.

@Override
public Type createType(TypeManager typeManager, List<TypeParameter> parameters) {
    checkArgument(!parameters.isEmpty(), "Row type must have at least one parameter");
    checkArgument(parameters.stream().allMatch(parameter -> parameter.getKind() == ParameterKind.NAMED_TYPE), "Expected only named types as a parameters, got %s", parameters);
    List<TypeSignatureParameter> typeSignatureParameters = parameters.stream().map(TypeParameter::getNamedType).map(parameter -> TypeSignatureParameter.namedTypeParameter(new NamedTypeSignature(parameter.getName(), parameter.getType().getTypeSignature()))).collect(toList());
    List<RowType.Field> fields = parameters.stream().map(TypeParameter::getNamedType).map(parameter -> new RowType.Field(parameter.getName().map(RowFieldName::getName), parameter.getType())).collect(toList());
    return RowType.createWithTypeSignature(new TypeSignature(StandardTypes.ROW, typeSignatureParameters), fields);
}