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Detect CSV/TSV column types by default (#683)

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The `--detect-types` option is now automatically turned on for all commands that deal with CSV or CSV.

A new `--no-detect-types` option can be used to have all columns treated as text.

Closes #679
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Simon Willison 2025-11-23 22:23:15 -08:00 • committed by GitHub
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@ -11,6 +11,7 @@ Unreleased
- The ``table.insert_all()`` and ``table.upsert_all()`` methods can now accept an iterator of lists or tuples as an alternative to dictionaries. The first item should be a list/tuple of column names. See :ref:`python_api_insert_lists` for details. (:issue:`672`)
- **Breaking change:** The default floating point column type has been changed from ``FLOAT`` to ``REAL``, which is the correct SQLite type for floating point values. This affects auto-detected columns when inserting data. (:issue:`645`)
- **Breaking change:** Type detection is now the default behavior for the ``insert`` and ``upsert`` CLI commands when importing CSV or TSV data. Previously all columns were treated as ``TEXT`` unless the ``--detect-types`` flag was passed. Use the new ``--no-detect-types`` flag to restore the old behavior. The ``SQLITE_UTILS_DETECT_TYPES`` environment variable has been removed. (:issue:`679`)
.. _v4_0a0: