public SeaTunnelDataType mapping()

in seatunnel-connectors-v2/connector-jdbc/src/main/java/org/apache/seatunnel/connectors/seatunnel/jdbc/internal/dialect/vertica/VerticaTypeMapper.java [93:173]
78 lines of code
41 McCabe index (conditional complexity)

    public SeaTunnelDataType<?> mapping(ResultSetMetaData metadata, int colIndex)
            throws SQLException {
        String type = metadata.getColumnTypeName(colIndex).toUpperCase();
        int precision = metadata.getPrecision(colIndex);
        int scale = metadata.getScale(colIndex);
        switch (type) {
            case VERTICA_BIT:
                return BasicType.BOOLEAN_TYPE;
            case VERTICA_TINYINT:
            case VERTICA_TINYINT_UNSIGNED:
            case VERTICA_SMALLINT:
            case VERTICA_SMALLINT_UNSIGNED:
            case VERTICA_MEDIUMINT:
            case VERTICA_MEDIUMINT_UNSIGNED:
            case VERTICA_INT:
            case VERTICA_INTEGER:
            case VERTICA_YEAR:
                return BasicType.INT_TYPE;
            case VERTICA_INT_UNSIGNED:
            case VERTICA_INTEGER_UNSIGNED:
            case VERTICA_BIGINT:
                return BasicType.LONG_TYPE;
            case VERTICA_BIGINT_UNSIGNED:
                return new DecimalType(20, 0);
            case VERTICA_DECIMAL:
                if (precision > 38) {
                    LOG.warn("{} will probably cause value overflow.", VERTICA_DECIMAL);
                    return new DecimalType(38, 18);
                }
                return new DecimalType(precision, scale);
            case VERTICA_DECIMAL_UNSIGNED:
                return new DecimalType(precision + 1, scale);
            case VERTICA_FLOAT:
                return BasicType.FLOAT_TYPE;
            case VERTICA_FLOAT_UNSIGNED:
                LOG.warn("{} will probably cause value overflow.", VERTICA_FLOAT_UNSIGNED);
                return BasicType.FLOAT_TYPE;
            case VERTICA_DOUBLE:
                return BasicType.DOUBLE_TYPE;
            case VERTICA_DOUBLE_UNSIGNED:
                LOG.warn("{} will probably cause value overflow.", VERTICA_DOUBLE_UNSIGNED);
                return BasicType.DOUBLE_TYPE;
            case VERTICA_CHAR:
            case VERTICA_TINYTEXT:
            case VERTICA_MEDIUMTEXT:
            case VERTICA_TEXT:
            case VERTICA_VARCHAR:
            case VERTICA_JSON:
                return BasicType.STRING_TYPE;
            case VERTICA_LONGTEXT:
                LOG.warn(
                        "Type '{}' has a maximum precision of 536870911 in Vertica. "
                                + "Due to limitations in the seatunnel type system, "
                                + "the precision will be set to 2147483647.",
                        VERTICA_LONGTEXT);
                return BasicType.STRING_TYPE;
            case VERTICA_DATE:
                return LocalTimeType.LOCAL_DATE_TYPE;
            case VERTICA_TIME:
                return LocalTimeType.LOCAL_TIME_TYPE;
            case VERTICA_DATETIME:
            case VERTICA_TIMESTAMP:
                return LocalTimeType.LOCAL_DATE_TIME_TYPE;

            case VERTICA_TINYBLOB:
            case VERTICA_MEDIUMBLOB:
            case VERTICA_BLOB:
            case VERTICA_LONGBLOB:
            case VERTICA_VARBINARY:
            case VERTICA_BINARY:
                return PrimitiveByteArrayType.INSTANCE;

                // Doesn't support yet
            case VERTICA_GEOMETRY:
            case VERTICA_UNKNOWN:
            default:
                final String jdbcColumnName = metadata.getColumnName(colIndex);
                throw CommonError.convertToSeaTunnelTypeError(
                        DatabaseIdentifier.VERTICA, type, jdbcColumnName);
        }
    }