public static DataType toFlinkType()

in flink-doris-connector/src/main/java/org/apache/doris/flink/catalog/DorisTypeMapper.java [62:106]

44 lines of code
20 McCabe index (conditional complexity)


    public static DataType toFlinkType(String columnName, String columnType, int precision, int scale) {
        columnType = columnType.toUpperCase();
        switch (columnType) {
            case BOOLEAN:
                return DataTypes.BOOLEAN();
            case TINYINT:
                if (precision == 0) {
                    //The boolean type will become tinyint when queried in information_schema, and precision=0
                    return DataTypes.BOOLEAN();
                } else {
                    return DataTypes.TINYINT();
                }
            case SMALLINT:
                return DataTypes.SMALLINT();
            case INT:
                return DataTypes.INT();
            case BIGINT:
                return DataTypes.BIGINT();
            case DECIMAL:
            case DECIMAL_V3:
                return DataTypes.DECIMAL(precision, scale);
            case FLOAT:
                return DataTypes.FLOAT();
            case DOUBLE:
                return DataTypes.DOUBLE();
            case CHAR:
                return DataTypes.CHAR(precision);
            case VARCHAR:
                return DataTypes.VARCHAR(precision);
            case LARGEINT:
            case STRING:
            case JSONB:
                return DataTypes.STRING();
            case DATE:
            case DATE_V2:
                return DataTypes.DATE();
            case DATETIME:
            case DATETIME_V2:
                return DataTypes.TIMESTAMP(0);
            default:
                throw new UnsupportedOperationException(
                        String.format(
                                "Doesn't support Doris type '%s' on column '%s'", columnType, columnName));
        }
    }