[GitHub] [incubator-iceberg] aokolnychyi edited a comment on issue #652: Fix UUID check for existing tables without a UUID

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aokolnychyi edited a comment on issue #652: Fix UUID check for existing tables without a UUID
URL: https://github.com/apache/incubator-iceberg/pull/652#issuecomment-555572328
 
 
   I think this PR would also resolve the problem when users upgraded to an Iceberg version that started assigning table UUIDs but their first operation wasn't a child of `SnapshotProducer` (e.g. update table properties). Such operations would write an explicit `null` as the table UUID that will corrupt the old logic.

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