Examples with DecimalType com.facebook.presto.common.type.DecimalType used on opensource projects

Example 11 with DecimalType

use of com.facebook.presto.common.type.DecimalType in project presto by prestodb.

the class LiteralEncoder method toExpression.

@Deprecated
public Expression toExpression(Object object, Type type, boolean typeOnly) {
    requireNonNull(type, "type is null");
    if (object instanceof Expression) {
        return (Expression) object;
    }
    if (object == null) {
        if (type.equals(UNKNOWN)) {
            return new NullLiteral();
        }
        return new Cast(new NullLiteral(), type.getTypeSignature().toString(), false, typeOnly);
    }
    if (type.equals(TINYINT)) {
        return new GenericLiteral("TINYINT", object.toString());
    }
    if (type.equals(SMALLINT)) {
        return new GenericLiteral("SMALLINT", object.toString());
    }
    if (type.equals(INTEGER)) {
        return new LongLiteral(object.toString());
    }
    if (type.equals(BIGINT)) {
        LongLiteral expression = new LongLiteral(object.toString());
        if (expression.getValue() >= Integer.MIN_VALUE && expression.getValue() <= Integer.MAX_VALUE) {
            return new GenericLiteral("BIGINT", object.toString());
        }
        return new LongLiteral(object.toString());
    }
    checkArgument(Primitives.wrap(type.getJavaType()).isInstance(object), "object.getClass (%s) and type.getJavaType (%s) do not agree", object.getClass(), type.getJavaType());
    if (type.equals(DOUBLE)) {
        Double value = (Double) object;
        // When changing this, don't forget about similar code for REAL below
        if (value.isNaN()) {
            return new FunctionCall(QualifiedName.of("nan"), ImmutableList.of());
        }
        if (value.equals(Double.NEGATIVE_INFINITY)) {
            return ArithmeticUnaryExpression.negative(new FunctionCall(QualifiedName.of("infinity"), ImmutableList.of()));
        }
        if (value.equals(Double.POSITIVE_INFINITY)) {
            return new FunctionCall(QualifiedName.of("infinity"), ImmutableList.of());
        }
        return new DoubleLiteral(object.toString());
    }
    if (type.equals(REAL)) {
        Float value = intBitsToFloat(((Long) object).intValue());
        // WARNING for ORC predicate code as above (for double)
        if (value.isNaN()) {
            return new Cast(new FunctionCall(QualifiedName.of("nan"), ImmutableList.of()), StandardTypes.REAL);
        }
        if (value.equals(Float.NEGATIVE_INFINITY)) {
            return ArithmeticUnaryExpression.negative(new Cast(new FunctionCall(QualifiedName.of("infinity"), ImmutableList.of()), StandardTypes.REAL));
        }
        if (value.equals(Float.POSITIVE_INFINITY)) {
            return new Cast(new FunctionCall(QualifiedName.of("infinity"), ImmutableList.of()), StandardTypes.REAL);
        }
        return new GenericLiteral("REAL", value.toString());
    }
    if (type instanceof DecimalType) {
        String string;
        if (isShortDecimal(type)) {
            string = Decimals.toString((long) object, ((DecimalType) type).getScale());
        } else {
            string = Decimals.toString((Slice) object, ((DecimalType) type).getScale());
        }
        return new Cast(new DecimalLiteral(string), type.getDisplayName());
    }
    if (type instanceof VarcharType) {
        VarcharType varcharType = (VarcharType) type;
        Slice value = (Slice) object;
        StringLiteral stringLiteral = new StringLiteral(value.toStringUtf8());
        if (!varcharType.isUnbounded() && varcharType.getLengthSafe() == SliceUtf8.countCodePoints(value)) {
            return stringLiteral;
        }
        return new Cast(stringLiteral, type.getDisplayName(), false, typeOnly);
    }
    if (type instanceof CharType) {
        StringLiteral stringLiteral = new StringLiteral(((Slice) object).toStringUtf8());
        return new Cast(stringLiteral, type.getDisplayName(), false, typeOnly);
    }
    if (type.equals(BOOLEAN)) {
        return new BooleanLiteral(object.toString());
    }
    if (type.equals(DATE)) {
        return new GenericLiteral("DATE", new SqlDate(toIntExact((Long) object)).toString());
    }
    if (object instanceof Block) {
        SliceOutput output = new DynamicSliceOutput(toIntExact(((Block) object).getSizeInBytes()));
        BlockSerdeUtil.writeBlock(blockEncodingSerde, output, (Block) object);
        object = output.slice();
    // This if condition will evaluate to true: object instanceof Slice && !type.equals(VARCHAR)
    }
    if (type instanceof EnumType) {
        return new EnumLiteral(type.getTypeSignature().toString(), object);
    }
    Signature signature = getMagicLiteralFunctionSignature(type);
    if (object instanceof Slice) {
        // HACK: we need to serialize VARBINARY in a format that can be embedded in an expression to be
        // able to encode it in the plan that gets sent to workers.
        // We do this by transforming the in-memory varbinary into a call to from_base64(<base64-encoded value>)
        FunctionCall fromBase64 = new FunctionCall(QualifiedName.of("from_base64"), ImmutableList.of(new StringLiteral(VarbinaryFunctions.toBase64((Slice) object).toStringUtf8())));
        return new FunctionCall(QualifiedName.of(signature.getNameSuffix()), ImmutableList.of(fromBase64));
    }
    Expression rawLiteral = toExpression(object, typeForMagicLiteral(type), typeOnly);
    return new FunctionCall(QualifiedName.of(signature.getNameSuffix()), ImmutableList.of(rawLiteral));
}

Example 12 with DecimalType

use of com.facebook.presto.common.type.DecimalType in project presto by prestodb.

the class LiteralInterpreter method evaluate.

public static Object evaluate(ConnectorSession session, ConstantExpression node) {
    Type type = node.getType();
    SqlFunctionProperties properties = session.getSqlFunctionProperties();
    if (node.getValue() == null) {
        return null;
    }
    if (type instanceof BooleanType) {
        return node.getValue();
    }
    if (type instanceof BigintType || type instanceof TinyintType || type instanceof SmallintType || type instanceof IntegerType) {
        return node.getValue();
    }
    if (type instanceof DoubleType) {
        return node.getValue();
    }
    if (type instanceof RealType) {
        Long number = (Long) node.getValue();
        return intBitsToFloat(number.intValue());
    }
    if (type instanceof DecimalType) {
        DecimalType decimalType = (DecimalType) type;
        if (decimalType.isShort()) {
            checkState(node.getValue() instanceof Long);
            return decodeDecimal(BigInteger.valueOf((long) node.getValue()), decimalType);
        }
        checkState(node.getValue() instanceof Slice);
        Slice value = (Slice) node.getValue();
        return decodeDecimal(decodeUnscaledValue(value), decimalType);
    }
    if (type instanceof VarcharType || type instanceof CharType) {
        return ((Slice) node.getValue()).toStringUtf8();
    }
    if (type instanceof VarbinaryType) {
        return new SqlVarbinary(((Slice) node.getValue()).getBytes());
    }
    if (type instanceof DateType) {
        return new SqlDate(((Long) node.getValue()).intValue());
    }
    if (type instanceof TimeType) {
        if (properties.isLegacyTimestamp()) {
            return new SqlTime((long) node.getValue(), properties.getTimeZoneKey());
        }
        return new SqlTime((long) node.getValue());
    }
    if (type instanceof TimestampType) {
        try {
            if (properties.isLegacyTimestamp()) {
                return new SqlTimestamp((long) node.getValue(), properties.getTimeZoneKey());
            }
            return new SqlTimestamp((long) node.getValue());
        } catch (RuntimeException e) {
            throw new PrestoException(GENERIC_USER_ERROR, format("'%s' is not a valid timestamp literal", (String) node.getValue()));
        }
    }
    if (type instanceof IntervalDayTimeType) {
        return new SqlIntervalDayTime((long) node.getValue());
    }
    if (type instanceof IntervalYearMonthType) {
        return new SqlIntervalYearMonth(((Long) node.getValue()).intValue());
    }
    if (type.getJavaType().equals(Slice.class)) {
        // DO NOT ever remove toBase64. Calling toString directly on Slice whose base is not byte[] will cause JVM to crash.
        return "'" + VarbinaryFunctions.toBase64((Slice) node.getValue()).toStringUtf8() + "'";
    }
    // We should not fail at the moment; just return the raw value (block, regex, etc) to the user
    return node.getValue();
}

Example 13 with DecimalType

use of com.facebook.presto.common.type.DecimalType in project presto by prestodb.

the class IcebergPageSource method deserializePartitionValue.

private static Object deserializePartitionValue(Type type, String valueString, String name, TimeZoneKey timeZoneKey) {
    if (valueString == null) {
        return null;
    }
    try {
        if (type.equals(BOOLEAN)) {
            if (valueString.equalsIgnoreCase("true")) {
                return true;
            }
            if (valueString.equalsIgnoreCase("false")) {
                return false;
            }
            throw new IllegalArgumentException();
        }
        if (type.equals(INTEGER)) {
            return parseLong(valueString);
        }
        if (type.equals(BIGINT)) {
            return parseLong(valueString);
        }
        if (type.equals(REAL)) {
            return (long) floatToRawIntBits(parseFloat(valueString));
        }
        if (type.equals(DOUBLE)) {
            return parseDouble(valueString);
        }
        if (type.equals(DATE) || type.equals(TIME) || type.equals(TIMESTAMP)) {
            return parseLong(valueString);
        }
        if (type instanceof VarcharType) {
            Slice value = utf8Slice(valueString);
            return value;
        }
        if (type.equals(VarbinaryType.VARBINARY)) {
            return utf8Slice(valueString);
        }
        if (isShortDecimal(type) || isLongDecimal(type)) {
            DecimalType decimalType = (DecimalType) type;
            BigDecimal decimal = new BigDecimal(valueString);
            decimal = decimal.setScale(decimalType.getScale(), BigDecimal.ROUND_UNNECESSARY);
            if (decimal.precision() > decimalType.getPrecision()) {
                throw new IllegalArgumentException();
            }
            BigInteger unscaledValue = decimal.unscaledValue();
            return isShortDecimal(type) ? unscaledValue.longValue() : Decimals.encodeUnscaledValue(unscaledValue);
        }
    } catch (IllegalArgumentException e) {
        throw new PrestoException(ICEBERG_INVALID_PARTITION_VALUE, format("Invalid partition value '%s' for %s partition key: %s", valueString, type.getDisplayName(), name));
    }
    // Iceberg tables don't partition by non-primitive-type columns.
    throw new PrestoException(GENERIC_INTERNAL_ERROR, "Invalid partition type " + type.toString());
}

Example 14 with DecimalType

use of com.facebook.presto.common.type.DecimalType in project presto by prestodb.

the class TypeCoercer method isTypeOnlyCoercion.

public boolean isTypeOnlyCoercion(Type source, Type result) {
    if (source.equals(result)) {
        return true;
    }
    if (!canCoerce(source, result)) {
        return false;
    }
    if (source instanceof VarcharType && result instanceof VarcharType) {
        return true;
    }
    if (source instanceof DecimalType && result instanceof DecimalType) {
        DecimalType sourceDecimal = (DecimalType) source;
        DecimalType resultDecimal = (DecimalType) result;
        boolean sameDecimalSubtype = (sourceDecimal.isShort() && resultDecimal.isShort()) || (!sourceDecimal.isShort() && !resultDecimal.isShort());
        boolean sameScale = sourceDecimal.getScale() == resultDecimal.getScale();
        boolean sourcePrecisionIsLessOrEqualToResultPrecision = sourceDecimal.getPrecision() <= resultDecimal.getPrecision();
        return sameDecimalSubtype && sameScale && sourcePrecisionIsLessOrEqualToResultPrecision;
    }
    String sourceTypeBase = source.getTypeSignature().getBase();
    String resultTypeBase = result.getTypeSignature().getBase();
    if (sourceTypeBase.equals(resultTypeBase) && isCovariantParametrizedType(source)) {
        List<Type> sourceTypeParameters = source.getTypeParameters();
        List<Type> resultTypeParameters = result.getTypeParameters();
        checkState(sourceTypeParameters.size() == resultTypeParameters.size());
        for (int i = 0; i < sourceTypeParameters.size(); i++) {
            if (!isTypeOnlyCoercion(sourceTypeParameters.get(i), resultTypeParameters.get(i))) {
                return false;
            }
        }
        return true;
    }
    return false;
}

Example 15 with DecimalType

use of com.facebook.presto.common.type.DecimalType in project presto by prestodb.

the class TestIonSqlQueryBuilder method testDecimalColumns.

@Test
public void testDecimalColumns() {
    TypeManager typeManager = createTestFunctionAndTypeManager();
    IonSqlQueryBuilder queryBuilder = new IonSqlQueryBuilder(typeManager);
    List<HiveColumnHandle> columns = ImmutableList.of(new HiveColumnHandle("quantity", HiveType.valueOf("decimal(20,0)"), parseTypeSignature(DECIMAL), 0, REGULAR, Optional.empty(), Optional.empty()), new HiveColumnHandle("extendedprice", HiveType.valueOf("decimal(20,2)"), parseTypeSignature(DECIMAL), 1, REGULAR, Optional.empty(), Optional.empty()), new HiveColumnHandle("discount", HiveType.valueOf("decimal(10,2)"), parseTypeSignature(DECIMAL), 2, REGULAR, Optional.empty(), Optional.empty()));
    DecimalType decimalType = DecimalType.createDecimalType(10, 2);
    TupleDomain<HiveColumnHandle> tupleDomain = withColumnDomains(ImmutableMap.of(columns.get(0), Domain.create(ofRanges(Range.lessThan(DecimalType.createDecimalType(20, 0), longDecimal("50"))), false), columns.get(1), Domain.create(ofRanges(Range.equal(HiveType.valueOf("decimal(20,2)").getType(typeManager), longDecimal("0.05"))), false), columns.get(2), Domain.create(ofRanges(Range.range(decimalType, shortDecimal("0.0"), true, shortDecimal("0.02"), true)), false)));
    assertEquals("SELECT s._1, s._2, s._3 FROM S3Object s WHERE ((case s._1 when '' then null else CAST(s._1 AS DECIMAL(20,0)) end < 50)) AND " + "(case s._2 when '' then null else CAST(s._2 AS DECIMAL(20,2)) end = 0.05) AND ((case s._3 when '' then null else CAST(s._3 AS DECIMAL(10,2)) " + "end >= 0.00 AND case s._3 when '' then null else CAST(s._3 AS DECIMAL(10,2)) end <= 0.02))", queryBuilder.buildSql(columns, tupleDomain));
}