#29808: Applied migration detection may fail when using a case-insensitive
collation
-------------------------------------+-------------------------------------
     Reporter:  Elaci0               |                    Owner:  Hasan
                                     |  Ramezani
         Type:  Bug                  |                   Status:  assigned
    Component:  Migrations           |                  Version:  master
     Severity:  Normal               |               Resolution:
     Keywords:  migration fake-      |             Triage Stage:  Accepted
  initial case sensitive             |
    Has patch:  1                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------

Comment (by Mariusz Felisiak <felisiak.mariusz@…>):

 In [changeset:"d0c86a1df4564c7c29d5112a73a32d369958880d" d0c86a1d]:
 {{{
 #!CommitTicketReference repository=""
 revision="d0c86a1df4564c7c29d5112a73a32d369958880d"
 Refs #29808 -- Optimized MigrationExecutor.detect_soft_applied().

 Use set() for iterables used only for containment checks. Simplify
 column checks O(n) instead of O(2n).

 Thanks Simon Charette for an idea.
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/29808#comment:7>
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