#23410: Backward migrations change overall state rather than reverting single
migration
-----------------------------+------------------------------------
     Reporter:  Markush2010  |                    Owner:  nobody
         Type:  New feature  |                   Status:  new
    Component:  Migrations   |                  Version:  1.7
     Severity:  Normal       |               Resolution:
     Keywords:               |             Triage Stage:  Accepted
    Has patch:  0            |      Needs documentation:  0
  Needs tests:  0            |  Patch needs improvement:  0
Easy pickings:  0            |                    UI/UX:  0
-----------------------------+------------------------------------

Comment (by carljm):

 Replying to [comment:10 Naddiseo]:
 > Perhaps it would also be prudent to issue a warning if the migrator
 detects that there is potential for data loss?

 I don't think it makes sense to try to have the migrations system classify
 migrations that way (in the general case, it's impossible -- who knows
 what happens inside a `RunSQL` or `RunPython` migration). Adding a flag
 that is required for migrating backwards achieves the same benefit with
 much less complexity.

--
Ticket URL: <https://code.djangoproject.com/ticket/23410#comment:11>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.

-- 
You received this message because you are subscribed to the Google Groups 
"Django updates" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to django-updates+unsubscr...@googlegroups.com.
To post to this group, send email to django-updates@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/django-updates/069.37654d0a5e00911866b8a8abebe32b02%40djangoproject.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to