#31698: Remove database backend Operations.autoinc_sql
-------------------------------------+-------------------------------------
     Reporter:  Adam (Chainz)        |                    Owner:  nobody
  Johnson                            |
         Type:                       |                   Status:  new
  Cleanup/optimization               |
    Component:  Migrations           |                  Version:  master
     Severity:  Normal               |               Resolution:
     Keywords:                       |             Triage Stage:
                                     |  Unreviewed
    Has patch:  0                    |      Needs documentation:  0
  Needs tests:  0                    |  Patch needs improvement:  0
Easy pickings:  0                    |                    UI/UX:  0
-------------------------------------+-------------------------------------
Description changed by Adam (Chainz) Johnson:

Old description:

> This was added in 924a89e135fe54bc7622aa6f03405211e75c06e9 to support
> Oracle. However 924a89e135fe54bc7622aa6f03405211e75c06e9 reimplemented
> the Oracle autoincrement keys without `autoinc_sql`.
>
> I checked two popular third party backends and they aren't using it:
>
> * django-mssql-backend: https://github.com/ESSolutions/django-mssql-
> backend/blob/master/sql_server/pyodbc/operations.py
> * django-cockroachdb: https://github.com/cockroachdb/django-
> cockroachdb/blob/master/django_cockroachdb/operations.py

New description:

 This was added in 38b5d7f23d8f7a39646a9b298f10941a70585031 and added to
 the migrations schema editor in 924a89e135fe54bc7622aa6f03405211e75c06e9.
 It was only ever used for Oracle support.
 924a89e135fe54bc7622aa6f03405211e75c06e9 reimplemented Oracle
 autoincrement keys without `autoinc_sql`, so it has no use in Django core
 any more.

 I checked two popular third party backends and they aren't using it:

 * django-mssql-backend: https://github.com/ESSolutions/django-mssql-
 backend/blob/master/sql_server/pyodbc/operations.py
 * django-cockroachdb: https://github.com/cockroachdb/django-
 cockroachdb/blob/master/django_cockroachdb/operations.py

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Ticket URL: <https://code.djangoproject.com/ticket/31698#comment:1>
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