Github user viirya commented on the issue:
https://github.com/apache/spark/pull/14537
@gatorsmile Thanks for cc'ing me.
As `spark.sql.hive.convertMetastoreOrc` is set to `false` by default, this
change looks fine. However, if setting the config to `true`, and hitting with
inconsistent schema between metastore and Orc files, I remember it will cause
failure when reading the files.
I've implemented two approaches to this issue, #14282 is simply disabling
Orc conversion if the case happens, #14365 is doing complicated schema mapping.
Once this is merged, I think we should fix the schema inconsistency soon.
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