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Posted to issues@iceberg.apache.org by "puchengy (via GitHub)" <gi...@apache.org> on 2025/03/12 06:47:17 UTC
[I] IRC does not support creating V1 table via snapshot procedure (stage create) [iceberg]
puchengy opened a new issue, #12500:
URL: https://github.com/apache/iceberg/issues/12500
### Apache Iceberg version
1.5.2
### Query engine
Spark
### Please describe the bug 🐞
`CatalogHandlers` (used by Rest Catalog) when executing `updateTable` with transaction [code](https://github.com/apache/iceberg/blob/1.5.x/core/src/main/java/org/apache/iceberg/rest/CatalogHandlers.java#L292) will always create an empty builder of default table version 2 (in Iceberg 1.5.2). This does not work if user intentionally want to create v1 table only, as a result, query like
```
CALL spark_catalog.system.snapshot(..., map('format-version', '1');
```
will fail with `Cannot downgrade v2 table to v1` error.
A propose fix is when calling [TableMetadata.buildFromEmpty()](https://github.com/apache/iceberg/blob/1.5.x/core/src/main/java/org/apache/iceberg/rest/CatalogHandlers.java#L336) we honor the format version if the request already set it.
### Willingness to contribute
- [ ] I can contribute a fix for this bug independently
- [x] I would be willing to contribute a fix for this bug with guidance from the Iceberg community
- [ ] I cannot contribute a fix for this bug at this time
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Re: [I] IRC does not support creating V1 table via snapshot procedure (stage create) [iceberg]
Posted by "nastra (via GitHub)" <gi...@apache.org>.
nastra commented on issue #12500:
URL: https://github.com/apache/iceberg/issues/12500#issuecomment-2720039171
@puchengy can we close this issue?
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Re: [I] IRC does not support creating V1 table via snapshot procedure (stage create) [iceberg]
Posted by "nastra (via GitHub)" <gi...@apache.org>.
nastra commented on issue #12500:
URL: https://github.com/apache/iceberg/issues/12500#issuecomment-2717065567
I believe this was fixed by https://github.com/apache/iceberg/commit/24d26b6a35a1287531e72357691d9dbd3d7f79bd
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Re: [I] IRC does not support creating V1 table via snapshot procedure (stage create) [iceberg]
Posted by "puchengy (via GitHub)" <gi...@apache.org>.
puchengy commented on issue #12500:
URL: https://github.com/apache/iceberg/issues/12500#issuecomment-2720114245
@nastra yes, sorry about that, I confirmed backport fixed it.
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Re: [I] IRC does not support creating V1 table via snapshot procedure (stage create) [iceberg]
Posted by "puchengy (via GitHub)" <gi...@apache.org>.
puchengy closed issue #12500: IRC does not support creating V1 table via snapshot procedure (stage create)
URL: https://github.com/apache/iceberg/issues/12500
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