private void doSchemaChangeBase(SchemaChangeType type, SchemaChangePolicy policy, String schema) {
        if (policy == null) {
            LOGGER.warn("Unsupported for {}: {}", type, schema);
            return;
        }
        switch (policy) {
            case LOG:
                LOGGER.warn("Unsupported for {}: {}", type, schema);
                break;
            case ERROR:
                throw new SchemaChangeHandleException(String.format("Unsupported for %s: %s", type, schema));
            default:
        }
    }
Process schema change for Doris

@param data The origin data
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/doris/src/main/java/org/apache/inlong/sort/doris/schema/SchemaChangeHelper.java