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WIP new upsert implementation, refs #652

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Simon Willison 2025-05-07 17:10:22 -07:00
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@ -927,6 +927,13 @@ An ``upsert_all()`` method is also available, which behaves like ``insert_all()`
.. note::
``.upsert()`` and ``.upsert_all()`` in sqlite-utils 1.x worked like ``.insert(..., replace=True)`` and ``.insert_all(..., replace=True)`` do in 2.x. See `issue #66 <https://github.com/simonw/sqlite-utils/issues/66>`__ for details of this change.
.. _python_api_old_upsert:
Alternative upserts using INSERT OR IGNORE
------------------------------------------
Upserts use ``INSERT INTO ... ON CONFLICT SET``. Prior to ``sqlite-utils 3.x`` (TODO: fill in version) these used a sequence of ``INSERT OR IGNORE`` followed by an ``UPDATE``. This older method is still used for SQLite 3.23.1 and earlier. You can force the older implementation by passing ``use_old_upsert=True`` to the ``Database()`` constructor.
.. _python_api_convert:
Converting data in columns