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Posted to issues@iceberg.apache.org by "puchengy (via GitHub)" <gi...@apache.org> on 2025/09/22 18:23:26 UTC
[I] support customized snapshot metadata via snapshot-property for flink [iceberg]
puchengy opened a new issue, #14160:
URL: https://github.com/apache/iceberg/issues/14160
### Feature Request / Improvement
mimic spark custom snapshot metadata fature to flink
### Query engine
Flink
### Willingness to contribute
- [ ] I can contribute this improvement/feature independently
- [x] I would be willing to contribute this improvement/feature with guidance from the Iceberg community
- [ ] I cannot contribute this improvement/feature at this time
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Re: [I] support customized snapshot metadata via snapshot-property for flink [iceberg]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #14160:
URL: https://github.com/apache/iceberg/issues/14160#issuecomment-4274855965
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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Re: [I] support customized snapshot metadata via snapshot-property for flink [iceberg]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] closed issue #14160: support customized snapshot metadata via snapshot-property for flink
URL: https://github.com/apache/iceberg/issues/14160
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Re: [I] support customized snapshot metadata via snapshot-property for flink [iceberg]
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #14160:
URL: https://github.com/apache/iceberg/issues/14160#issuecomment-4187990837
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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Re: [I] support customized snapshot metadata via snapshot-property for flink [iceberg]
Posted by "owen6314 (via GitHub)" <gi...@apache.org>.
owen6314 commented on issue #14160:
URL: https://github.com/apache/iceberg/issues/14160#issuecomment-3373298273
Some detail: Support Dynamic Snapshot Property Injection in FlinkSink
Currently, the Flink-Iceberg sink only supports specifying static snapshot properties at build time via the builder API. There is no built-in way to set or customize snapshot properties dynamically for each commit or checkpoint.
Extend the Flink-Iceberg sink to allow users to provide a function or callback that generates snapshot properties dynamically per commit or checkpoint. This would enable users to inject custom metadata, such as row counts, min/max timestamps, watermarks, or task-specific annotations into Iceberg snapshots at runtime.
Similar to how [snapshot-property.custom-key](https://iceberg.apache.org/docs/latest/spark-configuration/?utm_source=openai#write-options) works in Spark.
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