mirrors
/
django
mirror of https://github.com/django/django.git
1
0
Fork 0
Code Issues 24 Releases Wiki Activity

Fixed #25917 -- Clarified reversibility of RemoveField. 

Thanks kaifeldhoff for the draft patch.
This commit is contained in:
Tim Graham 2016-01-28 12:47:08 -05:00
parent 5b2e11e574
commit 55481bcdee
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
docs/ref/migration-operations.txt
View File

@ -157,9 +157,11 @@ RemoveField
Removes a field from a model. Removes a field from a model.
Bear in mind that when reversed this is actually adding a field to a model; Bear in mind that when reversed, this is actually adding a field to a model.
if the field is not nullable this may make this operation irreversible (apart The operation is reversible (apart from any data loss, which of course is
from any data loss, which of course is irreversible). irreversible) 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 default value, the operation is irreversible.
AlterField AlterField
---------- ----------