KurtYoung commented on issue #10380: [FLINK-14662]Distinguish unknown CatalogTableStatistics and zero URL: https://github.com/apache/flink/pull/10380#issuecomment-561038922 I heard that hive will always generate and maintain basic table stats for managed table. So in your case, it's not a `initial default status`, but an empty table with known stats as `totalSize=0, numRows=0, rawDataSize=0`. The `unknown` table stat means we can't get information from parameter map, in other words, the value is `NULL`. Whether we could simulate this depend on whether hive provide an option to disable maintaining basic table stats.
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