Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/16636
Ideally the table schema must be specified or inferred before saving to
metastore, however, for hive serde tables, we have to save it to metastore
first, and let the hive metastore to infer the schema. Is it possible we can
extract the schema inference logic from hive metastore? so that we can make
data source tables and hive serde tables more consistent.
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