#30145: SQLCompiler do not escape names correctly
-------------------------------------+-------------------------------------
               Reporter:  Artem      |          Owner:  nobody
  Skoretskiy                         |
                   Type:  Bug        |         Status:  new
              Component:  Database   |        Version:  master
  layer (models, ORM)                |
               Severity:  Normal     |       Keywords:
           Triage Stage:             |      Has patch:  0
  Unreviewed                         |
    Needs documentation:  0          |    Needs tests:  0
Patch needs improvement:  0          |  Easy pickings:  0
                  UI/UX:  0          |
-------------------------------------+-------------------------------------
 I generate custom SQL and I have tried to use `SQLCompiler` to escape
 (quote) table names. But it does not work as expected:

 {{{
 >>> from django.contrib.auth.models import User
 >>> qs = User.objects.all()
 >>> compiler = qs.query.get_compiler(using=qs.db)
 >>> name = 'b"; drop table "world'
 >>> sql = 'alter table x rename column a to
 {};'.format(compiler.quote_name_unless_alias(name))
 >>> print(sql)
 alter table x rename column a to "b"; drop table "world";
 }}}

 I would expect that it would return name that I could use in raw SQL.

 You could try youself:

 {{{
 docker run -ti --rm python:3.7-alpine sh -c "pip install -q
 https://github.com/django/django/archive/master.zip && django-admin.py
 startproject project . && ./manage.py shell"
 }}}

-- 
Ticket URL: <https://code.djangoproject.com/ticket/30145>
Django <https://code.djangoproject.com/>
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