feat: Add BigQuery ObjectRef functions to bigframes.bigquery.obj
#2380
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This change introduces support for BigQuery ObjectRef functions: - `OBJ.FETCH_METADATA` - `OBJ.GET_ACCESS_URL` - `OBJ.MAKE_REF` These are exposed via a new `bigframes.bigquery.obj` module.
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jialuoo
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Jan 13, 2026
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Are these test failures related to this PR? I’ve also added Trevor as a reviewer since he probably have more context on the background of these changes than I do.
GarrettWu
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Jan 13, 2026
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| """ | ||
| ObjectRef functions defined from | ||
| https://cloud.google.com/bigquery/docs/reference/standard-sql/object-ref-functions |
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| # limitations under the License. | ||
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| """This module exposes `BigQuery ObjectRef | ||
| <https://cloud.google.com/bigquery/docs/object-table-object-ref-functions>`_ functions. |
| SELECT | ||
| *, | ||
| OBJ.GET_ACCESS_URL(`bfcol_4`) AS `bfcol_7` | ||
| OBJ.GET_ACCESS_URL(`bfcol_4`, 'R') AS `bfcol_7` |
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We may still need minimum system tests. Otherwise we may fail to catch errors like this. WDYT?
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| @log_adapter.method_logger(custom_base_name="bigquery_obj") | ||
| def make_ref( | ||
| uri_or_json: series.Series, |
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It can also be a single value in SQL. E.g. OBJ.MAKE_REF("gs://something", "us.my_connection"). It can be useful in local experiments. Do we want to support the case?
GarrettWu
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Jan 14, 2026
| def fetch_metadata( | ||
| objectref: series.Series, | ||
| ) -> series.Series: | ||
| """The OBJ.FETCH_METADATA function returns Cloud Storage metadata for a partially populated ObjectRef value. |
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Should add the preview disclaimer.
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This change introduces support for BigQuery ObjectRef functions:
OBJ.FETCH_METADATAOBJ.GET_ACCESS_URLOBJ.MAKE_REFThese are exposed via a new
bigframes.bigquery.objmodule.Thank you for opening a Pull Request! Before submitting your PR, there are a few things you can do to make sure it goes smoothly:
Replaces #2340
🦕