static FieldGetter createFieldGetter()

in paimon-common/src/main/java/org/apache/paimon/data/InternalRow.java [168:236]
68 lines of code
23 McCabe index (conditional complexity)

    static FieldGetter createFieldGetter(DataType fieldType, int fieldPos) {
        final FieldGetter fieldGetter;
        // ordered by type root definition
        switch (fieldType.getTypeRoot()) {
            case CHAR:
            case VARCHAR:
                fieldGetter = row -> row.getString(fieldPos);
                break;
            case BOOLEAN:
                fieldGetter = row -> row.getBoolean(fieldPos);
                break;
            case BINARY:
            case VARBINARY:
                fieldGetter = row -> row.getBinary(fieldPos);
                break;
            case DECIMAL:
                final int decimalPrecision = getPrecision(fieldType);
                final int decimalScale = getScale(fieldType);
                fieldGetter = row -> row.getDecimal(fieldPos, decimalPrecision, decimalScale);
                break;
            case TINYINT:
                fieldGetter = row -> row.getByte(fieldPos);
                break;
            case SMALLINT:
                fieldGetter = row -> row.getShort(fieldPos);
                break;
            case INTEGER:
            case DATE:
            case TIME_WITHOUT_TIME_ZONE:
                fieldGetter = row -> row.getInt(fieldPos);
                break;
            case BIGINT:
                fieldGetter = row -> row.getLong(fieldPos);
                break;
            case FLOAT:
                fieldGetter = row -> row.getFloat(fieldPos);
                break;
            case DOUBLE:
                fieldGetter = row -> row.getDouble(fieldPos);
                break;
            case TIMESTAMP_WITHOUT_TIME_ZONE:
            case TIMESTAMP_WITH_LOCAL_TIME_ZONE:
                final int timestampPrecision = getPrecision(fieldType);
                fieldGetter = row -> row.getTimestamp(fieldPos, timestampPrecision);
                break;
            case ARRAY:
                fieldGetter = row -> row.getArray(fieldPos);
                break;
            case MULTISET:
            case MAP:
                fieldGetter = row -> row.getMap(fieldPos);
                break;
            case ROW:
                final int rowFieldCount = DataTypeChecks.getFieldCount(fieldType);
                fieldGetter = row -> row.getRow(fieldPos, rowFieldCount);
                break;
            default:
                throw new IllegalArgumentException();
        }
        if (!fieldType.isNullable()) {
            return fieldGetter;
        }
        return row -> {
            if (row.isNullAt(fieldPos)) {
                return null;
            }
            return fieldGetter.getFieldOrNull(row);
        };
    }