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[2.2.x] Fixed #30505 -- Doc'd how changes in the order of Field.choices affect migrations.

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Backport of 5248abe9b0 from master
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Caio Ariede 2019-05-29 09:14:32 -03:00 • committed by Mariusz Felisiak
parent ed3dc5119b
commit d6d65c1e87
3 changed files with 14 additions and 7 deletions
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5
docs/topics/db/models.txt
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@ -154,7 +154,7 @@ ones:
<Field.blank>`, the field will be required.
:attr:`~Field.choices`
An :term:`iterable` of 2-tuples to use as choices for this field. If this
A :term:`sequence` of 2-tuples to use as choices for this field. If this
is given, the default form widget will be a select box instead of the
standard text field and will limit choices to the choices given.
@ -168,6 +168,9 @@ ones:
('GR', 'Graduate'),
]
.. note::
A new migration is created each time the order of ``choices`` changes.
The first element in each tuple is the value that will be stored in the
database. The second element is displayed by the field's form widget.