Github user mallman commented on the issue: https://github.com/apache/spark/pull/14690 @cloud-fan Actually, all hive table partition metadata are retrieved for every query analysis. This is then used to compare the new metadata with the cached metadata. If they're the same, then we can use the cached table. However, if they differ, then all of the partition files are loaded, the schema is inferred, a new `HadoopFsRelation` is created and cached.
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