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Code Issues 32 Releases Wiki Activity

Fixed #25917 -- Clarified reversibility of RemoveField.

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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
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8
docs/ref/migration-operations.txt
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@@ -157,9 +157,11 @@ RemoveField
Removes a field from 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
from any data loss, which of course is irreversible).
Bear in mind that when reversed, this is actually adding a field to a model.
The operation is reversible (apart from any data loss, which of course is
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
----------