This issue was the subject of https://code.djangoproject.com/ticket/24082.
There, the accepted (but not implemented) solution is the same as suggested here: allowing the user to opt out of the creation of the additional index with `db_index=False`. On Wednesday, April 15, 2015 at 2:11:25 PM UTC-4, Some Developer wrote: > > On 15/04/15 18:22, Tim Graham wrote: > > #19441 is the ticket where it was decided that unique=True implies a > > database index. The documentation says, > > > > "Note that when ``unique`` is ``True``, you don't need to specify > > > > `Field.db_index`, because ``unique`` implies the creation of an index." > > > > Understood. I just want to be able to stop the creation of the index in > some way. Whether that be via db_index=False or some other new method. > > I would have thought that the creation of the index would be optional. I > understand that the default it to create the index and that is fine for > the vast majority of cases (in fact until I hit this little problem I > didn't care one way or another) but a user should have the option to > tell Django not to create the index if they are sure they know what they > are doing. > > > Unless we decide that is wrong, I think the correct condition to solve > > the issue would be more like `field.db_index orfield.unique and > > field.db_index is not False`. We might also have to change the default > > keyword of Field from False to None so we know the difference between > > "unspecified" and False. > > > -- You received this message because you are subscribed to the Google Groups "Django developers (Contributions to Django itself)" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-developers+unsubscr...@googlegroups.com. To post to this group, send email to django-developers@googlegroups.com. Visit this group at http://groups.google.com/group/django-developers. To view this discussion on the web visit https://groups.google.com/d/msgid/django-developers/7e481c16-ec13-4454-88b7-369c725ac30f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
