public void convertArrowToRowBatch()

in spark-doris-connector/spark-doris-connector-base/src/main/java/org/apache/doris/spark/client/read/RowBatch.java [196:532]


    public void convertArrowToRowBatch() throws DorisException {
        try {
            for (int col = 0; col < fieldVectors.size(); col++) {
                FieldVector curFieldVector = fieldVectors.get(col);
                MinorType mt = curFieldVector.getMinorType();

                final String colName = schema.get(col).getName();
                final String currentType = schema.get(col).getType();
                switch (currentType) {
                    case "NULL_TYPE":
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            addValueToRow(rowIndex, null);
                        }
                        break;
                    case "BOOLEAN":
                        Preconditions.checkArgument(mt.equals(MinorType.BIT),
                                typeMismatchMessage(colName, currentType, mt));
                        BitVector bitVector = (BitVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = bitVector.isNull(rowIndex) ? null : bitVector.get(rowIndex) != 0;
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "TINYINT":
                        Preconditions.checkArgument(mt.equals(MinorType.TINYINT),
                                typeMismatchMessage(colName, currentType, mt));
                        TinyIntVector tinyIntVector = (TinyIntVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = tinyIntVector.isNull(rowIndex) ? null : tinyIntVector.get(rowIndex);
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "SMALLINT":
                        Preconditions.checkArgument(mt.equals(MinorType.SMALLINT),
                                typeMismatchMessage(colName, currentType, mt));
                        SmallIntVector smallIntVector = (SmallIntVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = smallIntVector.isNull(rowIndex) ? null : smallIntVector.get(rowIndex);
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "INT":
                        Preconditions.checkArgument(mt.equals(MinorType.INT),
                                typeMismatchMessage(colName, currentType, mt));
                        IntVector intVector = (IntVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = intVector.isNull(rowIndex) ? null : intVector.get(rowIndex);
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "BIGINT":
                        Preconditions.checkArgument(mt.equals(MinorType.BIGINT),
                                typeMismatchMessage(colName, currentType, mt));
                        BigIntVector bigIntVector = (BigIntVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = bigIntVector.isNull(rowIndex) ? null : bigIntVector.get(rowIndex);
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "LARGEINT":
                        Preconditions.checkArgument(mt.equals(MinorType.FIXEDSIZEBINARY) ||
                                mt.equals(MinorType.VARCHAR), typeMismatchMessage(colName, currentType, mt));
                        if (mt.equals(MinorType.FIXEDSIZEBINARY)) {
                            FixedSizeBinaryVector largeIntVector = (FixedSizeBinaryVector) curFieldVector;
                            for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                                if (largeIntVector.isNull(rowIndex)) {
                                    addValueToRow(rowIndex, null);
                                    continue;
                                }
                                byte[] bytes = largeIntVector.get(rowIndex);
                                ArrayUtils.reverse(bytes);
                                BigInteger largeInt = new BigInteger(bytes);
                                addValueToRow(rowIndex, largeInt.toString());
                            }
                        } else {
                            VarCharVector largeIntVector = (VarCharVector) curFieldVector;
                            for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                                if (largeIntVector.isNull(rowIndex)) {
                                    addValueToRow(rowIndex, null);
                                    continue;
                                }
                                String stringValue = new String(largeIntVector.get(rowIndex));
                                addValueToRow(rowIndex, stringValue);
                            }
                        }
                        break;
                    case "IPV4":
                        Preconditions.checkArgument(mt.equals(MinorType.UINT4) || mt.equals(MinorType.INT) || mt.equals(MinorType.VARCHAR),
                                typeMismatchMessage(colName, currentType, mt));

                        if (mt.equals(MinorType.VARCHAR)) {
                            VarCharVector vector = (VarCharVector) curFieldVector;
                            for (int i = 0; i < rowCountInOneBatch; i++) {
                                addValueToRow(i, vector.isNull(i) ? null : new String(vector.get(i)));
                            }
                        } else {
                            BaseIntVector vector = (mt.equals(MinorType.INT)) ? (IntVector) curFieldVector : (UInt4Vector) curFieldVector;
                            for (int i = 0; i < rowCountInOneBatch; i++) {
                                addValueToRow(i, vector.isNull(i) ? null : IPUtils.convertLongToIPv4Address(vector.getValueAsLong(i)));
                            }
                        }
                        break;
                    case "FLOAT":
                        Preconditions.checkArgument(mt.equals(MinorType.FLOAT4),
                                typeMismatchMessage(colName, currentType, mt));
                        Float4Vector float4Vector = (Float4Vector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = float4Vector.isNull(rowIndex) ? null : float4Vector.get(rowIndex);
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "TIME":
                    case "DOUBLE":
                        Preconditions.checkArgument(mt.equals(MinorType.FLOAT8),
                                typeMismatchMessage(colName, currentType, mt));
                        Float8Vector float8Vector = (Float8Vector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = float8Vector.isNull(rowIndex) ? null : float8Vector.get(rowIndex);
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "BINARY":
                        Preconditions.checkArgument(mt.equals(MinorType.VARBINARY),
                                typeMismatchMessage(colName, currentType, mt));
                        VarBinaryVector varBinaryVector = (VarBinaryVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            Object fieldValue = varBinaryVector.isNull(rowIndex) ? null : varBinaryVector.get(rowIndex);
                            addValueToRow(rowIndex, fieldValue);
                        }
                        break;
                    case "DECIMAL":
                        Preconditions.checkArgument(mt.equals(MinorType.VARCHAR),
                                typeMismatchMessage(colName, currentType, mt));
                        VarCharVector varCharVectorForDecimal = (VarCharVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            if (varCharVectorForDecimal.isNull(rowIndex)) {
                                addValueToRow(rowIndex, null);
                                continue;
                            }
                            String decimalValue = new String(varCharVectorForDecimal.get(rowIndex));
                            Decimal decimal = new Decimal();
                            try {
                                decimal.set(new scala.math.BigDecimal(new BigDecimal(decimalValue)));
                            } catch (NumberFormatException e) {
                                String errMsg = "Decimal response result '" + decimalValue + "' is illegal.";
                                logger.error(errMsg, e);
                                throw new DorisException(errMsg);
                            }
                            addValueToRow(rowIndex, decimal);
                        }
                        break;
                    case "DECIMALV2":
                    case "DECIMAL32":
                    case "DECIMAL64":
                    case "DECIMAL128":
                    case "DECIMAL128I":
                        Preconditions.checkArgument(mt.equals(MinorType.DECIMAL),
                                typeMismatchMessage(colName, currentType, mt));
                        DecimalVector decimalVector = (DecimalVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            if (decimalVector.isNull(rowIndex)) {
                                addValueToRow(rowIndex, null);
                                continue;
                            }
                            Decimal decimalV2 = Decimal.apply(decimalVector.getObject(rowIndex));
                            addValueToRow(rowIndex, decimalV2);
                        }
                        break;
                    case "DATE":
                    case "DATEV2":
                        Preconditions.checkArgument(mt.equals(MinorType.VARCHAR)
                                || mt.equals(MinorType.DATEDAY), typeMismatchMessage(colName, currentType, mt));
                        if (mt.equals(MinorType.VARCHAR)) {
                            VarCharVector date = (VarCharVector) curFieldVector;
                            for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                                if (date.isNull(rowIndex)) {
                                    addValueToRow(rowIndex, null);
                                    continue;
                                }
                                String stringValue = new String(date.get(rowIndex));
                                LocalDate localDate = LocalDate.parse(stringValue);
                                if (datetimeJava8ApiEnabled) {
                                    addValueToRow(rowIndex, localDate);
                                } else {
                                    addValueToRow(rowIndex, Date.valueOf(localDate));
                                }
                            }
                        } else {
                            DateDayVector date = (DateDayVector) curFieldVector;
                            for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                                if (date.isNull(rowIndex)) {
                                    addValueToRow(rowIndex, null);
                                    continue;
                                }
                                LocalDate localDate = LocalDate.ofEpochDay(date.get(rowIndex));
                                if (datetimeJava8ApiEnabled) {
                                    addValueToRow(rowIndex, localDate);
                                } else {
                                    addValueToRow(rowIndex, Date.valueOf(localDate));
                                }
                            }
                        }
                        break;
                    case "DATETIME":
                    case "DATETIMEV2":

                        if (mt.equals(MinorType.VARCHAR)) {
                            VarCharVector varCharVector = (VarCharVector) curFieldVector;
                            for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                                if (varCharVector.isNull(rowIndex)) {
                                    addValueToRow(rowIndex, null);
                                    continue;
                                }
                                String stringValue = completeMilliseconds(new String(varCharVector.get(rowIndex),
                                        StandardCharsets.UTF_8));
                                LocalDateTime dateTime = LocalDateTime.parse(stringValue, dateTimeV2Formatter);
                                if (datetimeJava8ApiEnabled) {
                                    Instant instant = dateTime.atZone(DEFAULT_ZONE_ID).toInstant();
                                    addValueToRow(rowIndex, instant);
                                } else {
                                    addValueToRow(rowIndex, Timestamp.valueOf(dateTime));
                                }
                            }
                        } else if (curFieldVector instanceof TimeStampVector) {
                            TimeStampVector timeStampVector = (TimeStampVector) curFieldVector;
                            for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                                if (timeStampVector.isNull(rowIndex)) {
                                    addValueToRow(rowIndex, null);
                                    continue;
                                }
                                LocalDateTime dateTime = getDateTime(rowIndex, timeStampVector);
                                if (datetimeJava8ApiEnabled) {
                                    Instant instant = dateTime.atZone(DEFAULT_ZONE_ID).toInstant();
                                    addValueToRow(rowIndex, instant);
                                } else {
                                    addValueToRow(rowIndex, Timestamp.valueOf(dateTime));
                                }
                            }
                        } else {
                            String errMsg = String.format("Unsupported type for DATETIMEV2, minorType %s, class is %s",
                                    mt.name(), curFieldVector.getClass());
                            throw new java.lang.IllegalArgumentException(errMsg);
                        }
                        break;
                    case "CHAR":
                    case "VARCHAR":
                    case "STRING":
                    case "JSONB":
                    case "VARIANT":
                        Preconditions.checkArgument(mt.equals(MinorType.VARCHAR),
                                typeMismatchMessage(colName, currentType, mt));
                        VarCharVector varCharVector = (VarCharVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            if (varCharVector.isNull(rowIndex)) {
                                addValueToRow(rowIndex, null);
                                continue;
                            }
                            String value = new String(varCharVector.get(rowIndex), StandardCharsets.UTF_8);
                            addValueToRow(rowIndex, value);
                        }
                        break;
                    case "IPV6":
                        Preconditions.checkArgument(mt.equals(MinorType.VARCHAR),
                                typeMismatchMessage(colName, currentType, mt));
                        VarCharVector ipv6VarcharVector = (VarCharVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            if (ipv6VarcharVector.isNull(rowIndex)) {
                                addValueToRow(rowIndex, null);
                                break;
                            }
                            // Compatible with IPv6  in Doris 2.1.3 and above.
                            String ipv6Str = new String(ipv6VarcharVector.get(rowIndex));
                            if (ipv6Str.contains(":")){
                                addValueToRow(rowIndex, ipv6Str);
                            }else {
                                String ipv6Address = IPUtils.fromBigInteger(new BigInteger(ipv6Str));
                                addValueToRow(rowIndex, ipv6Address);
                            }

                        }
                        break;
                    case "ARRAY":
                        Preconditions.checkArgument(mt.equals(MinorType.LIST),
                                typeMismatchMessage(colName, currentType, mt));
                        ListVector listVector = (ListVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            if (listVector.isNull(rowIndex)) {
                                addValueToRow(rowIndex, null);
                                continue;
                            }
                            String value = listVector.getObject(rowIndex).toString();
                            addValueToRow(rowIndex, value);
                        }
                        break;
                    case "MAP":
                        Preconditions.checkArgument(mt.equals(MinorType.MAP),
                                typeMismatchMessage(colName, currentType, mt));
                        MapVector mapVector = (MapVector) curFieldVector;
                        UnionMapReader reader = mapVector.getReader();
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            if (mapVector.isNull(rowIndex)) {
                                addValueToRow(rowIndex, null);
                                continue;
                            }
                            reader.setPosition(rowIndex);
                            Map<String, String> value = new HashMap<>();
                            while (reader.next()) {
                                value.put(Objects.toString(reader.key().readObject(), null),
                                        Objects.toString(reader.value().readObject(), null));
                            }
                            addValueToRow(rowIndex, value);
                        }
                        break;
                    case "STRUCT":
                        Preconditions.checkArgument(mt.equals(MinorType.STRUCT),
                                typeMismatchMessage(colName, currentType, mt));
                        StructVector structVector = (StructVector) curFieldVector;
                        for (int rowIndex = 0; rowIndex < rowCountInOneBatch; rowIndex++) {
                            if (structVector.isNull(rowIndex)) {
                                addValueToRow(rowIndex, null);
                                continue;
                            }
                            String value = structVector.getObject(rowIndex).toString();
                            addValueToRow(rowIndex, value);
                        }
                        break;
                    default:
                        String errMsg = "Unsupported type " + schema.get(col).getType() + "of col: " + schema.get(col).getName();
                        logger.error(errMsg);
                        throw new DorisException(errMsg);
                }
            }
        } catch (Exception e) {
            close();
            throw e;
        }
    }