[python] Support blob-external-storage-path for writing BLOB data to external storage#7967
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JingsongLi merged 1 commit intoMay 26, 2026
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leaves12138
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May 26, 2026
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Thanks for the update. I reviewed the latest version again.
The external-storage writer now matches the Java-side behavior well: the configured external fields are validated against BLOB descriptor fields, the writer rewrites descriptor fields before normal data-file writing, and the offset/length calculation follows the blob format layout. The added tests cover validation, round-trip reads, multiple fields, nulls, mixed inline/external BLOBs, and descriptor input rewriting.
I also ran the focused Python test locally:
PYTHONPATH=. python -m unittest pypaimon.tests.external_storage_blob_test
It passed. LGTM.
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Purpose
close #7966
Tests