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Posted to issues@iceberg.apache.org by "szehon-ho (via GitHub)" <gi...@apache.org> on 2023/03/02 22:44:57 UTC
[GitHub] [iceberg] szehon-ho opened a new issue, #6991: Implement Time Travel with correct schema for Metadata Tables
szehon-ho opened a new issue, #6991:
URL: https://github.com/apache/iceberg/issues/6991
### Feature Request / Improvement
Metadata tables support time travel. Ref:
https://github.com/apache/iceberg/pull/1508 implemented using the correct schema for time-travel (schema at time of time travel). This broke time travel for metadata tables , of tables with multiple schemas, because metadata tables have only one schema. A fix is made to always use current schema for metadata tables no matter time-travel or not: https://github.com/apache/iceberg/pull/6980.
However, I suggest to implement this feature for metadata tables, whose schema are dependeng upon schema of parent tables. For example, files table readable_metrics column is dependent on parent table's schema, for which column it shows. It would be great to have time-travel work correctly with this, by making files table schema reflect parent table schema at time of time travel.
### Query engine
None
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[GitHub] [iceberg] github-actions[bot] closed issue #6991: Implement Time Travel with correct schema for Metadata Tables
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed issue #6991: Implement Time Travel with correct schema for Metadata Tables
URL: https://github.com/apache/iceberg/issues/6991
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[GitHub] [iceberg] github-actions[bot] commented on issue #6991: Implement Time Travel with correct schema for Metadata Tables
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #6991:
URL: https://github.com/apache/iceberg/issues/6991#issuecomment-1698304251
This issue has been automatically marked as stale because it has been open for 180 days with no activity. It will be closed in next 14 days if no further activity occurs. To permanently prevent this issue from being considered stale, add the label 'not-stale', but commenting on the issue is preferred when possible.
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[GitHub] [iceberg] github-actions[bot] commented on issue #6991: Implement Time Travel with correct schema for Metadata Tables
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #6991:
URL: https://github.com/apache/iceberg/issues/6991#issuecomment-1716745635
This issue has been closed because it has not received any activity in the last 14 days since being marked as 'stale'
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