public static DataType filterOutMetaField(TableSchema requestedSchema) {
        DataTypes.Field[] fields = requestedSchema.getTableColumns().stream()
                .filter(column -> !META_INCREMENTAL.equals(column.getName()))
                .map(column -> FIELD(column.getName(), column.getType()))
                .toArray(DataTypes.Field[]::new);
        return ROW(fields).notNull();
    }
remove incremental field from table schema
@param requestedSchema input table schema
@return table schema without incremental field
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/iceberg/src/main/java/org/apache/inlong/sort/iceberg/schema/IcebergModeSwitchHelper.java