parisni opened a new issue, #5363:
URL: https://github.com/apache/hudi/issues/5363

   when a spark schema has a metadata with a comment field, then the spark 
writer propagates the comment into the metastore.
   
   Then other metastore client (hive, presto) can describe the table and get 
comments.
   
   It turns out hudi does not support them: when such comment is added to the 
schema, the resulting table don't get the comment. 
   
   Digging the source code, the schema comes either from the hudi commit 
metadata in avro format or by reading the last parquet file.
   However the initial comment is not present in both.


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