Github user viirya commented on the issue:
https://github.com/apache/spark/pull/14365
We have two options. First one is to map metastore schema to physical Orc
schema like this. But we don't infer physical schema of Orc file now. I will
update this to have this mapping in OrcFileFormat.
Another one is like #14282. But as we don't infer schema from Orc file now,
we can't disable the conversion when the mismatch is detected. One possible is
to throw exception in OrcFileFormat when detecting the mismatch before reading
and show message to ask user to disable `spark.sql.hive.convertMetastoreOrc`.
@cloud-fan @yhuai @dongjoon-hyun What do you think?
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