private Object getLiteralValue()

in paimon-prestosql-common/src/main/java/org/apache/paimon/prestosql/PrestoSqlFilterConverter.java [194:259]
53 lines of code
15 McCabe index (conditional complexity)

    private Object getLiteralValue(Type type, Object prestosqlNativeValue) {
        requireNonNull(prestosqlNativeValue, "prestosqlNativeValue is null");

        if (type instanceof BooleanType) {
            return prestosqlNativeValue;
        }

        if (type instanceof IntegerType) {
            return toIntExact((long) prestosqlNativeValue);
        }

        if (type instanceof BigintType) {
            return prestosqlNativeValue;
        }

        if (type instanceof RealType) {
            return intBitsToFloat(toIntExact((long) prestosqlNativeValue));
        }

        if (type instanceof DoubleType) {
            return prestosqlNativeValue;
        }

        if (type instanceof DateType) {
            return toIntExact(((Long) prestosqlNativeValue));
        }

        if (type instanceof TimeType) {
            return toIntExact(((Long) prestosqlNativeValue));
        }

        if (type instanceof TimestampType) {
            return Timestamp.fromEpochMillis((long) prestosqlNativeValue);
        }

        if (type instanceof TimestampWithTimeZoneType) {
            return Timestamp.fromEpochMillis(unpackMillisUtc((Long) prestosqlNativeValue));
        }

        if (type instanceof VarcharType || type instanceof CharType) {
            return BinaryString.fromBytes(((Slice) prestosqlNativeValue).getBytes());
        }

        if (type instanceof VarbinaryType) {
            return ((Slice) prestosqlNativeValue).getBytes();
        }

        if (type instanceof DecimalType) {
            DecimalType decimalType = (DecimalType) type;
            BigDecimal bigDecimal;
            if (prestosqlNativeValue instanceof Long) {
                bigDecimal =
                        BigDecimal.valueOf((long) prestosqlNativeValue)
                                .movePointLeft(decimalType.getScale());
            } else {
                bigDecimal =
                        new BigDecimal(
                                DecimalUtils.toBigInteger(prestosqlNativeValue),
                                decimalType.getScale());
            }
            return Decimal.fromBigDecimal(
                    bigDecimal, decimalType.getPrecision(), decimalType.getScale());
        }

        throw new UnsupportedOperationException("Unsupported type: " + type);
    }