protected StringFormatConverter createStringFormatConverter()

in flink-vvp-connector-adbpg/src/main/java/org/apache/flink/connector/jdbc/table/utils/StringFormatRowConverter.java [93:148]
54 lines of code
25 McCabe index (conditional complexity)

    protected StringFormatConverter createStringFormatConverter(LogicalType type) {
        switch (type.getTypeRoot()) {
            case BOOLEAN:
                return (val, index) -> val.getBoolean(index) ? "'true'" : "'false'";
            case TINYINT:
                return (val, index) -> "" + ((Byte) val.getByte(index)).intValue();
            case SMALLINT:
                return (val, index) -> String.valueOf(val.getShort(index));
            case INTEGER:
            case INTERVAL_YEAR_MONTH:
                return (val, index) -> String.valueOf(val.getInt(index));
            case BIGINT:
            case INTERVAL_DAY_TIME:
                return (val, index) -> String.valueOf(val.getLong(index));
            case FLOAT:
                return (val, index) -> String.valueOf(val.getFloat(index));
            case DOUBLE:
                return (val, index) -> String.valueOf(val.getDouble(index));
            case DECIMAL:
                return (val, index) -> {
                    final int decimalPrecision = ((DecimalType) type).getPrecision();
                    final int decimalScale = ((DecimalType) type).getScale();
                    return String.valueOf(
                            val.getDecimal(index, decimalPrecision, decimalScale)
                                    .toBigDecimal());
                };

            case CHAR:
            case VARCHAR:
                // value is BinaryString
                return (val, index) -> toCopyField(val.getString(index).toString());
            case BINARY:
            case VARBINARY:
                return (val, index) -> new String(val.getBinary(index));
            case DATE:
                return (val, index) ->
                        String.valueOf(Date.valueOf(LocalDate.ofEpochDay(val.getInt(index))));
            case TIME_WITHOUT_TIME_ZONE:
                return (val, index) ->
                        String.valueOf(
                                Time.valueOf(
                                        LocalTime.ofNanoOfDay(val.getInt(index) * 1_000_000L)));
            case TIMESTAMP_WITH_TIME_ZONE:
            case TIMESTAMP_WITHOUT_TIME_ZONE:
                final int timestampPrecision = ((TimestampType) type).getPrecision();
                return (val, index) ->
                        String.valueOf(val.getTimestamp(index, timestampPrecision).toTimestamp());
            case ARRAY:
            case MAP:
            case MULTISET:
            case ROW:
            case RAW:
            default:
                throw new UnsupportedOperationException("Unsupported type:" + type);
        }
    }