#33710: RenameIndex() crashes when unnamed index is moving backward and forward.
-------------------------------------+-------------------------------------
     Reporter:  Mariusz Felisiak     |                    Owner:  David
                                     |  Wobrock
         Type:  Bug                  |                   Status:  assigned
    Component:  Migrations           |                  Version:  dev
     Severity:  Release blocker      |               Resolution:
     Keywords:                       |             Triage Stage:
                                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Changes (by David Wobrock):

 * owner:  nobody => David Wobrock
 * status:  new => assigned


Comment:

 I understand the issue that arises when one reverses a `RenameIndex`, but
 it was made "on purpose" somehow.
 In https://code.djangoproject.com/ticket/27064,
 > For backwards operations with unnamed old indexes, RenameIndex is a
 noop.

 From my understanding, when an unnamed index becomes "named", the idea was
 that it remained "named" even when reversing the operation.
 I guess the implementation is not entirely correct, since it doesn't allow
 idempotency of the operation when applying/un-applying it.

 I'll try to find a fix

-- 
Ticket URL: <https://code.djangoproject.com/ticket/33710#comment:1>
Django <https://code.djangoproject.com/>
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