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[5.0.x] Doc'd that RemoveField also drops related database objects in PostgreSQL.

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Backport of f0d50a937910571fc4adb7e6fb91045cdc215aa8 from main
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David Sanders 2024-04-17 02:11:06 +10:00 committed by Natalia
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docs/ref/migration-operations.txt
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@ -197,6 +197,16 @@ if the field is nullable or if it has a default value that can be used to
populate the recreated column. If the field is not nullable and does not have a populate the recreated column. If the field is not nullable and does not have a
default value, the operation is irreversible. default value, the operation is irreversible.
.. admonition:: PostgreSQL
``RemoveField`` will also delete any additional database objects that are
related to the removed field (like views, for example). This is because the
resulting ``DROP COLUMN`` statement will include the ``CASCADE`` clause to
ensure `dependent objects outside the table are also dropped`_.
.. _dependent objects outside the table are also dropped: https://www.postgresql.org/docs/current/sql-altertable.html#SQL-ALTERTABLE-PARMS-CASCADE
``AlterField`` ``AlterField``
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