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.transform(strict=) and sqlite-utils transform --strict/--no-strict (#788)

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* .transform(strict=) and sqlite-utils transform --strict/--no-strict

Closes #787
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Simon Willison 2026-07-11 16:43:37 -07:00 • committed by GitHub
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@ -2182,7 +2182,7 @@ Use ``--ignore`` to ignore the error if the table does not exist.
Transforming tables
===================
The ``transform`` command allows you to apply complex transformations to a table that cannot be implemented using a regular SQLite ``ALTER TABLE`` command. See :ref:`python_api_transform` for details of how this works. The ``transform`` command preserves a table's ``STRICT`` mode.
The ``transform`` command allows you to apply complex transformations to a table that cannot be implemented using a regular SQLite ``ALTER TABLE`` command. See :ref:`python_api_transform` for details of how this works. By default, the ``transform`` command preserves a table's ``STRICT`` mode.
.. code-block:: bash
@ -2228,6 +2228,12 @@ Every option for this table (with the exception of ``--pk-none``) can be specifi
``--add-foreign-key column other_table other_column``
Add a foreign key constraint to ``column`` pointing to ``other_table.other_column``.
``--strict``
Convert the table to a `SQLite STRICT table <https://www.sqlite.org/stricttables.html>`__. The command fails if the available SQLite version does not support strict tables. If existing rows contain values that are incompatible with their declared column types the transformation fails and the original table is left unchanged.
``--no-strict``
Convert a strict table back to a regular non-strict table.
If you want to see the SQL that will be executed to make the change without actually executing it, add the ``--sql`` flag. For example:
.. code-block:: bash