[GitHub] [iceberg] szehon-ho edited a comment on issue #2871: using insert overwrite clause in spark throw an exception

[GitBox <gi...@apache.org>]

szehon-ho edited a comment on issue #2871:
URL: https://github.com/apache/iceberg/issues/2871#issuecomment-887312703


   I see, I think it's a Spark compatibility issue.  first() is a 'nullable' function (it may return null values), but the table column is marked non-nullable.  You can try to edit the table schema to have that column nullable.
   
   


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