shangxinli commented on issue #193:
URL: https://github.com/apache/iceberg/issues/193#issuecomment-690760494
It shows null to me when I do a simple writing/reading as below.
Dataset<Row> df = ....
df.write().format("iceberg").mode("overwrite").save(path_name);
spark.read().format("iceberg").load(path_name);
It is null because the 2nd constructor public Schema(List<NestedField>
columns) () is called from
https://github.com/apache/iceberg/blob/master/core/src/main/java/org/apache/iceberg/SchemaParser.java#L240
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