[python] Add table tag CLI subcommands#8320
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Add `paimon table tag {create,list,get,delete}` nested under the table
command (mirroring `table alter`). All operations go through the Catalog
layer so they get typed exceptions and work for both filesystem and REST
catalogs. `tag get` surfaces tag_create_time / tag_time_retained when
present. Document the new commands in the pypaimon CLI docs.
Cover create / list / get / delete end-to-end through the CLI, including --snapshot-id, --ignore-if-exists, --prefix, table/json output, and the not-found / duplicate / invalid-identifier error paths.
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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 thetablecommand (mirroringtable alter):TagAlreadyExistException/TagNotExistException/TableNotExistException) and work for both filesystem and REST catalogs.tag getsurfacestag_create_time/tag_time_retainedwhen present.listwarns on stderr (rather than silently truncating) if the catalog returns a partial page.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.
Generative AI disclosure: drafted with AI assistance and reviewed by the author.