TheR1sing3un opened a new pull request, #8320:
URL: https://github.com/apache/paimon/pull/8320
## Purpose
pypaimon already implements the full tag Catalog API (filesystem + REST),
but the CLI had no way to manage tags — users had to drop down to the Python
API. This adds tag management to the CLI.
## Changes
Add `paimon table tag {create,list,get,delete}`, nested under the `table`
command (mirroring `table alter`):
```shell
paimon table tag create db.t v1 [--snapshot-id N] [--ignore-if-exists]
paimon table tag list db.t [--prefix P] [--format table|json]
paimon table tag get db.t v1 [--format table|json]
paimon table tag delete db.t v1
```
- All operations go through the Catalog layer, so they get typed exceptions
(`TagAlreadyExistException` / `TagNotExistException` /
`TableNotExistException`) and work for both filesystem and REST catalogs.
- `tag get` surfaces `tag_create_time` / `tag_time_retained` when present.
- `list` warns on stderr (rather than silently truncating) if the catalog
returns a partial page.
- pypaimon CLI docs updated with a new "Table Tag" section.
Flag names mirror the Java Flink/Spark tag procedures (`snapshot_id`, etc.).
## Tests
End-to-end CLI coverage for create / list / get / delete, including
`--snapshot-id`, `--ignore-if-exists`, `--prefix`, table/json output, and the
not-found / duplicate / invalid-identifier error paths.
## Does this PR introduce a user-facing change?
No.
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