Sure,
its great to help the project.
thanks for your attention.

tonight (brazil) I will prepare the ticket.

cheers


---------------------------------------------------------------------
Cadu Leite
| Twitter     | Medium Blog | Google +     |
| @cadu_leite <https://twitter.com/cadu_leite> | @cadu_leite
<https://medium.com/@cadu_leite> | +CarlosLeite
<https://plus.google.com/u/0/+CarlosLeite> |

http://people.python.org.br/

On Tue, Nov 28, 2017 at 6:30 PM, Simon Charette <[email protected]>
wrote:

> Hello Carlos,
>
> Thank you for taking the time to reproduce the issue against the upcoming
> 1.11 release.
>
> It looks like `Index` class doesn't use the same name generation logic as
> the schema editor for some reason[0] so it will be have to be adjusted in
> a similar way.
>
> Could you file a new ticket[1] referencing this thread and detailing the
> issue
> you are encoutering? It should be eligible for a backport since this is a
> bug
> in a newly introduced feature.
>




>
> Until a 1.11.x version fixing the issue is released you can work around the
> issue by defining an Index(name)[2] manually.
>
> Cheers,
> Simon
>
> [0] https://github.com/django/django/blob/899999db4293d40613626833860de2
> 8e8ccdd413/django/db/models/indexes.py#L96-L122
> [1] https://code.djangoproject.com/newticket
> [2] https://docs.djangoproject.com/en/1.11/ref/models/indexes/#name
>
>
> Le mardi 28 novembre 2017 09:01:06 UTC-5, Carlos Leite a écrit :
>
>>
>> Testing the pacth for ticket/28792 at [1]
>> with Python 2.7, Django 1.11
>> to test badly formed  double quoted db_table name
>>
>>     db_table = '"tbl_litle_name"',
>>
>> [1] https://code.djangoproject.com/ticket/28792
>>
>>
>>
>> Django Branch 1.11
>> ------------------
>>
>> I've aplied this commit
>>
>> $pip install -e git+https://github.com/django/
>> django.git@a35ab95ed#egg=django
>>
>>
>>
>> Migration Initial
>> -----------------
>>
>> # -*- coding: utf-8 -*-
>> # Generated by Django 1.11.8.dev20171115030630 on 2017-11-28 13:44
>> from __future__ import unicode_literals
>>
>> from django.db import migrations, models
>> import django.db.models.deletion
>>
>>
>> class Migration(migrations.Migration):
>>
>>     initial = True
>>
>>     dependencies = [
>>     ]
>>
>>     operations = [
>>         migrations.CreateModel(
>>             name='Author',
>>             fields=[
>>                 ('id', models.AutoField(auto_created=True,
>> primary_key=True, serialize=False, verbose_name='ID')),
>>                 ('name', models.CharField(max_length=50,
>> verbose_name='author name')),
>>             ],
>>             options={
>>                 'ordering': ['name'],
>>                 'get_latest_by': 'name',
>>                 'verbose_name': 'Author',
>>                 'verbose_name_plural': 'Authors',
>>             },
>>         ),
>>         migrations.CreateModel(
>>             name='Book',
>>             fields=[
>>                 ('id', models.AutoField(auto_created=True,
>> primary_key=True, serialize=False, verbose_name='ID')),
>>                 ('name', models.CharField(help_text="book's name",
>> max_length=50, verbose_name='book name')),
>>                 ('isbn_10', models.CharField(blank=True,
>> db_column='old_isbn_number', db_index=True, help_text='international
>> standart book number (old length 10)', max_length=10, null=True)),
>>                 ('isbn_13', models.CharField(blank=True, db_index=True,
>> help_text='international standart book number (after 2007 jan 01)',
>> max_length=13, unique=True)),
>>                 ('language', models.CharField(blank=True,
>> choices=[('PORTUGUESE_BRAZIL', 'Portugu\xeas Brasil'), ('PORTUGUES',
>> 'Portugu\xeas'), ('ENGLISH', 'English'), ('FRANCE', 'France'), ('ESPANISH',
>> 'Espa\xf1ol')], help_text='edition length', max_length=5, null=True)),
>>             ],
>>             options={
>>                 'ordering': ['name'],
>>                 'get_latest_by': 'name',
>>                 'verbose_name': 'book',
>>                 'verbose_name_plural': 'books',
>>             },
>>         ),
>>         migrations.CreateModel(
>>             name='Publisher',
>>             fields=[
>>                 ('id', models.AutoField(auto_created=True,
>> primary_key=True, serialize=False, verbose_name='ID')),
>>                 ('name', models.CharField(max_length=50,
>> verbose_name='publisher name')),
>>             ],
>>             options={
>>                 'get_latest_by': 'name',
>>                 'ordering': ['name'],
>>                 'verbose_name_plural': 'Publishers',
>>                 'db_table': '"tbl_litle_name"',
>>                 'verbose_name': 'Publiser',
>>             },
>>         ),
>>         migrations.AddIndex(
>>             model_name='publisher',
>>             index=models.Index(fields=['name'],
>> name='"tbl_litle__name_408be5_idx'),
>>         ),
>>         migrations.AddField(
>>             model_name='book',
>>             name='author',
>>             field=models.ManyToManyField(blank=True, help_text="author's
>> name", null=True, to='testapp.Author'),
>>         ),
>>         migrations.AddField(
>>             model_name='book',
>>             name='publisher',
>>             field=models.ForeignKey(blank=True, null=True,
>> on_delete=django.db.models.deletion.CASCADE, to='testapp.Publisher'),
>>         ),
>>         migrations.AddIndex(
>>             model_name='author',
>>             index=models.Index(fields=['name'],
>> name='testapp_aut_name_02c4bc_idx'),
>>         ),
>>     ]
>>
>>
>>
>> The model changed
>> -----------------
>>
>> class Publisher(models.Model):
>>     """
>>     Book's Author - author is a Book's model supplement.
>>     """
>>     name = models.CharField(verbose_name='publisher name',
>> max_length=50, null=False)
>>
>>     class Meta:
>>         db_table = '"tbl_litle_name"'
>>         get_latest_by = "name"
>>         ordering = ['name', ]
>>         verbose_name = 'Publiser'
>>         verbose_name_plural = 'Publishers'
>>         indexes = [
>>             models.Index(fields=['name', ]),
>>         ]
>>
>>     def __unicode__(self):
>>         return self.name
>>
>>
>> Generated Migration
>> -------------------
>>
>> # -*- coding: utf-8 -*-
>> # Generated by Django 1.11.8.dev20171115030630 on 2017-11-28 13:36
>> from __future__ import unicode_literals
>>
>> from django.db import migrations, models
>> import django.db.models.deletion
>>
>>
>> class Migration(migrations.Migration):
>>
>>     initial = True
>>
>>     dependencies = [
>>     ]
>>
>>      #  ...  deleted for sanity
>>
>>         migrations.CreateModel(
>>             name='Publisher',
>>             fields=[
>>                 ('id', models.AutoField(auto_created=True,
>> primary_key=True, serialize=False, verbose_name='ID')),
>>                 ('name', models.CharField(max_length=50,
>> verbose_name='publisher name')),
>>             ],
>>             options={
>>                 'get_latest_by': 'name',
>>                 'ordering': ['name'],
>>                 'verbose_name_plural': 'Publishers',
>>                 'db_table': '"big_name-with-hyphen-left_in_lowercase"',
>>                 'verbose_name': 'Publiser',
>>             },
>>         ),
>>         migrations.AddIndex(
>>             model_name='publisher',
>>             index=models.Index(fields=['name'],
>> name='"big_name-w_name_cd0539_idx'), # <=====  error `"`
>>         ),
>>
>>        #  code deleted for sanity
>>     ]
>>
>>
>> MakeMigration ERROR  & traceback
>> --------------------------------
>>
>> (dj28792) 20171128.Tue11:40:32cadu>/Volumes/p10G/prj/dj_datadictionary
>> _testproject/testproject>
>> cadu.[563]$python manage.py migrate
>> System check identified some issues:
>>
>> WARNINGS:
>> testapp.Book.author: (fields.W340) null has no effect on ManyToManyField.
>> Operations to perform:
>>   Apply all migrations: admin, auth, contenttypes, sessions
>> Running migrations:
>>   Applying contenttypes.0001_initial... OK
>>   Applying auth.0001_initial... OK
>>   Applying admin.0001_initial... OK
>>   Applying admin.0002_logentry_remove_auto_add... OK
>>   Applying contenttypes.0002_remove_content_type_name... OK
>>   Applying auth.0002_alter_permission_name_max_length... OK
>>   Applying auth.0003_alter_user_email_max_length... OK
>>   Applying auth.0004_alter_user_username_opts... OK
>>   Applying auth.0005_alter_user_last_login_null... OK
>>   Applying auth.0006_require_contenttypes_0002... OK
>>   Applying auth.0007_alter_validators_add_error_messages... OK
>>   Applying auth.0008_alter_user_username_max_length... OK
>>   Applying sessions.0001_initial... OK
>> (dj28792) 20171128.Tue11:44:50cadu>/Volumes/p10G/prj/dj_datadictionary
>> _testproject/testproject>
>> cadu.[564]$python manage.py makemigrations
>> System check identified some issues:
>>
>> WARNINGS:
>> testapp.Book.author: (fields.W340) null has no effect on ManyToManyField.
>> Migrations for 'testapp':
>>   testproject/testapp/migrations/0001_initial.py
>>     - Create model Author
>>     - Create model Book
>>     - Create model Publisher
>>     - Create index "tbl_litle__name_408be5_idx on field(s) name of model
>> publisher   <==========
>>     - Add field author to book
>>     - Add field publisher to book
>>     - Create index testapp_aut_name_02c4bc_idx on field(s) name of model
>> author
>> (dj28792) 20171128.Tue11:44:55cadu>/Volumes/p10G/prj/dj_datadictionary
>> _testproject/testproject>
>> cadu.[565]$python manage.py migrate
>> System check identified some issues:
>>
>> WARNINGS:
>> testapp.Book.author: (fields.W340) null has no effect on ManyToManyField.
>> Operations to perform:
>>   Apply all migrations: admin, auth, contenttypes, sessions, testapp
>> Running migrations:
>>   Applying testapp.0001_initial...Traceback (most recent call last):
>>   File "manage.py", line 22, in <module>
>>     execute_from_command_line(sys.argv)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/core/management/__init__.py",
>> line 364, in execute_from_command_line
>>     utility.execute()
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/core/management/__init__.py",
>> line 356, in execute
>>     self.fetch_command(subcommand).run_from_argv(self.argv)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/core/management/base.py",
>> line 283, in run_from_argv
>>     self.execute(*args, **cmd_options)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/core/management/base.py",
>> line 330, in execute
>>     output = self.handle(*args, **options)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/core/management/commands/migrate.py",
>> line 204, in handle
>>     fake_initial=fake_initial,
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/executor.py",
>> line 115, in migrate
>>     state = self._migrate_all_forwards(state, plan, full_plan,
>> fake=fake, fake_initial=fake_initial)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/executor.py",
>> line 145, in _migrate_all_forwards
>>     state = self.apply_migration(state, migration, fake=fake,
>> fake_initial=fake_initial)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/executor.py",
>> line 244, in apply_migration
>>     state = migration.apply(state, schema_editor)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/migration.py",
>> line 129, in apply
>>     operation.database_forwards(self.app_label, schema_editor,
>> old_state, project_state)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/operations/models.py",
>> line 788, in database_forwards
>>     schema_editor.add_index(model, self.index)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/backends/base/schema.py",
>> line 331, in add_index
>>     self.execute(index.create_sql(model, self))
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/backends/base/schema.py",
>> line 120, in execute
>>     cursor.execute(sql, params)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/backends/utils.py",
>> line 79, in execute
>>     return super(CursorDebugWrapper, self).execute(sql, params)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/backends/utils.py",
>> line 64, in execute
>>     return self.cursor.execute(sql, params)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/utils.py", line
>> 94, in __exit__
>>     six.reraise(dj_exc_type, dj_exc_value, traceback)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/backends/utils.py",
>> line 64, in execute
>>     return self.cursor.execute(sql, params)
>> django.db.utils.ProgrammingError: zero-length delimited identifier at or
>> near """"
>> LINE 1: CREATE INDEX ""tbl_litle__name_408be5_idx" ON "tbl_litle_nam...
>>  <=======================
>>                      ^
>>
>> """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
>> even editing the migration manually
>>  ...  the problem appears again on created CONTRAINT for a PK
>> """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
>>
>> (dj28792) 20171128.Tue11:45:02cadu>/Volumes/p10G/prj/dj_datadictionary
>> _testproject/testproject>
>> cadu.[566]$python manage.py migrate
>> System check identified some issues:
>>
>> WARNINGS:
>> testapp.Book.author: (fields.W340) null has no effect on ManyToManyField.
>> Operations to perform:
>>   Apply all migrations: admin, auth, contenttypes, sessions, testapp
>> Running migrations:
>>   Applying testapp.0001_initial...Traceback (most recent call last):
>>   File "manage.py", line 22, in <module>
>>     execute_from_command_line(sys.argv)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/core/management/__init__.py",
>> line 364, in execute_from_command_line
>>     utility.execute()
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/core/management/__init__.py",
>> line 356, in execute
>>     self.fetch_command(subcommand).run_from_argv(self.argv)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/core/management/base.py",
>> line 283, in run_from_argv
>>     self.execute(*args, **cmd_options)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/core/management/base.py",
>> line 330, in execute
>>     output = self.handle(*args, **options)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/core/management/commands/migrate.py",
>> line 204, in handle
>>     fake_initial=fake_initial,
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/executor.py",
>> line 115, in migrate
>>     state = self._migrate_all_forwards(state, plan, full_plan,
>> fake=fake, fake_initial=fake_initial)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/executor.py",
>> line 145, in _migrate_all_forwards
>>     state = self.apply_migration(state, migration, fake=fake,
>> fake_initial=fake_initial)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/migrations/executor.py",
>> line 244, in apply_migration
>>     state = migration.apply(state, schema_editor)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/backends/base/schema.py",
>> line 93, in __exit__
>>     self.execute(sql)
>>   File 
>> "/Users/cadu/Envs/dj28792/src/django/django/db/backends/base/schema.py",
>> line 120, in execute
>>     cursor.execute(sql, params)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/backends/utils.py",
>> line 79, in execute
>>     return super(CursorDebugWrapper, self).execute(sql, params)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/backends/utils.py",
>> line 64, in execute
>>     return self.cursor.execute(sql, params)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/utils.py", line
>> 94, in __exit__
>>     six.reraise(dj_exc_type, dj_exc_value, traceback)
>>   File "/Users/cadu/Envs/dj28792/src/django/django/db/backends/utils.py",
>> line 64, in execute
>>     return self.cursor.execute(sql, params)
>> django.db.utils.ProgrammingError: syntax error at or near
>> "tbl_litle_name"
>> LINE 1: ...ONSTRAINT "testapp_book_publisher_id_fb3
>> 3c7ca_fk_"tbl_litle_...
>>                                                              ^
>>                      ^
>>
>> ---------------------------------------------------------------------
>> Cadu Leite
>> | Twitter     | Medium Blog | Google +     |
>> | @cadu_leite | @cadu_leite | +CarlosLeite |
>>
>> http://people.python.org.br/
>>
>> On Tue, Nov 28, 2017 at 11:52 AM, Carlos Leite <[email protected]> wrote:
>> >
>> > Can I use double quoted names with others SGDBs , PostgreSQL ?
>> > or it is specific for Oracle ...
>> >
>> > by the way the patch didint work. Its another problem Is not a metter
>> of "." namespaced name.
>> >  Its about if I can or not use '"tb_custom_name"'  double quoted string
>>  = ' " " '
>> >
>> > if I can use that (' " " ') for any database engine, I believe its a
>> bug ...
>> > and even changed the migration manually, the same error occur when
>> create an INDEX (at my example) ...
>> >
>> > so, the error is at the method that generates the db_name string passed
>> for the ORM to create tables and constraints.
>> >
>> >
>> >
>> >
>> > ---------------------------------------------------------------------
>> > Cadu Leite
>> > | Twitter     | Medium Blog | Google +     |
>> > | @cadu_leite | @cadu_leite | +CarlosLeite |
>> >
>> > http://people.python.org.br/
>> >
>> > On Tue, Nov 28, 2017 at 9:25 AM, Carlos Leite <[email protected]> wrote:
>> >>
>> >> Thanks Simon,
>> >>
>> >> I tryied to find some issue related but found nothing.
>> >>
>> >> The ticket #28792 seems exactly the case ...
>> >>
>> >> I'll take a couple of hours (at work), but I'll try that patch
>> >> and regenarate the migrations.
>> >>
>> >> thanks again.
>> >>
>> >> ---------------------------------------------------------------------
>> >> Cadu Leite
>> >> | Twitter     | Medium Blog | Google +     |
>> >> | @cadu_leite | @cadu_leite | +CarlosLeite |
>> >>
>> >> http://people.python.org.br/
>> >>
>> >> On Tue, Nov 28, 2017 at 4:14 AM, Simon Charette <[email protected]>
>> wrote:
>> >>>
>> >>> Hey Carlos,
>> >>>
>> >>> I believe the trailing quote truncation issue might be solved in the
>> yet to be released
>> >>> 1.11.8[0][1] version.
>> >>>
>> >>> Could you confirm whether or not it's the case? You'll have to
>> regenerate your migration.
>> >>>
>> >>> Best,
>> >>> Simon
>> >>>
>> >>> [0] https://github.com/django/django/commit/a35ab95ed4eec5c62fa1
>> 9bdc69ecfe0eff3e1fca
>> >>> [1] https://code.djangoproject.com/ticket/28792
>> >>>
>> >>>
>> >>> Le lundi 27 novembre 2017 23:24:59 UTC-5, Carlos Leite a écrit :
>> >>>>
>> >>>> ooops
>> >>>>
>> >>>>
>> >>>> in the migration 0007 the index name seems badly formed
>> >>>>
>> >>>> ```python
>> >>>>    ...
>> >>>>     migrations.AddIndex(
>> >>>>     model_name='publisher',
>> >>>>     index=models.Index(fields=['name'],
>> name='"big_name-w_name_cd0539_idx'),   # <<<<<<<  there is a " in plus.
>> and its never closed.
>> >>>> ),
>> >>>> ```
>> >>>>
>> >>>> On Tuesday, November 28, 2017 at 2:01:56 AM UTC-2, Carlos Leite
>> wrote:
>> >>>>>
>> >>>>> I was making some introspections on meta attributes from a Model
>> class
>> >>>>> jsut to check what changes when we set some attributes on Meta
>> class and etc...
>> >>>>>
>> >>>>>
>> >>>>> TO check the Meta.db_name
>> >>>>> I read the docs and saw that I could use quoted strings as told ..
>> >>>>>
>> >>>>>
>> >>>>> "
>> >>>>> ... o prevent such transformations, use a quoted name as the value
>> for db_table:
>> >>>>>
>> >>>>> > db_table = '"name_left_in_lowercase"'
>> >>>>>
>> >>>>>  Such quoted names can also be used with Django’s other supported
>> database backends; except for Oracle, however, the quotes have no effect.
>> See the Oracle notes for more details.
>> >>>>> "
>> >>>>> at https://docs.djangoproject.com/en/1.8/ref/models/options/#
>> db-table
>> >>>>>
>> >>>>>
>> >>>>> Well, when I tried to *migrate* I got the error, during the index
>> creation, described below.
>> >>>>> Is it a bug ? or I miss soething ?
>> >>>>> I just tried to set a custom name for a table, with quotes and
>> hyphens 8P
>> >>>>>
>> >>>>>
>> >>>>> '"big_name-with-hyphen-left_in_lowercase"'
>> >>>>>
>> >>>>> the error hapends when PostgreSQL tries to create an index and
>> Django named with part of the tables name.
>> >>>>>
>> >>>>>
>> >>>>> ### The Model Class
>> >>>>>
>> >>>>>
>> >>>>> class Publisher(models.Model):
>> >>>>> """
>> >>>>> Book's Author - author is a Book's model supplement.
>> >>>>> """
>> >>>>> name = models.CharField(verbose_name='publisher name',
>> max_length=50, null=False)
>> >>>>>
>> >>>>>
>> >>>>> class Meta:
>> >>>>> db_table = '"big_name-with-hyphen-left_in_lowercase"'
>> >>>>> get_latest_by = "name"
>> >>>>> ordering = ['name', ]
>> >>>>> verbose_name = 'Publiser'
>> >>>>> verbose_name_plural = 'Publishers'
>> >>>>> indexes = [
>> >>>>> models.Index(fields=['name', ]),
>> >>>>> ]
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> ### The Migration 0007
>> >>>>>
>> >>>>>
>> >>>>> # -*- coding: utf-8 -*-
>> >>>>> # Generated by Django 1.11 on 2017-11-28 03:15
>> >>>>> from __future__ import unicode_literals
>> >>>>>
>> >>>>>
>> >>>>> from django.db import migrations, models
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> class Migration(migrations.Migration):
>> >>>>>
>> >>>>>
>> >>>>> dependencies = [
>> >>>>> ('testapp', '0006_auto_20171127_1927'),
>> >>>>> ]
>> >>>>>
>> >>>>>
>> >>>>> operations = [
>> >>>>> migrations.RemoveIndex(
>> >>>>> model_name='publisher',
>> >>>>> name='testapp_pub_name_88e073_idx',
>> >>>>> ),
>> >>>>> migrations.AddIndex(
>> >>>>> model_name='publisher',
>> >>>>> index=models.Index(fields=['name'], name='"big_name-w_name_cd0539_
>> idx'),
>> >>>>> ),
>> >>>>> migrations.AlterModelTable(
>> >>>>> name='publisher',
>> >>>>> table='"big_name-with-hyphen-left_in_lowercase"',
>> >>>>> ),
>> >>>>> ]
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> ### traceback
>> >>>>>
>> >>>>>
>> >>>>> $python manage.py makemigrations
>> >>>>> System check identified some issues:
>> >>>>>
>> >>>>>
>> >>>>> Migrations for 'testapp':
>> >>>>> testproject/testapp/migrations/0007_auto_20171128_0315.py
>> >>>>> - Remove index testapp_pub_name_88e073_idx from publisher
>> >>>>> - Create index "big_name-w_name_cd0539_idx on field(s) name of
>> model publisher
>> >>>>> - Rename table for publisher to "big_name-with-hyphen-left_in_
>> lowercase"
>> >>>>> (dj_datadictionary) 20171125.Sat01:15:52cadu>/Volu
>> mes/p10G/prj/dj_datadictionary_testproject/testproject>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> $python manage.py migrate
>> >>>>> System check identified some issues:
>> >>>>>
>> >>>>>
>> >>>>> Operations to perform:
>> >>>>> Apply all migrations: admin, auth, contenttypes, sessions, testapp
>> >>>>> Running migrations:
>> >>>>> Applying testapp.0007_auto_20171128_0315...Traceback (most recent
>> call last):
>> >>>>> File "manage.py", line 22, in <module>
>> >>>>> execute_from_command_line(sys.argv)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/core/management/__init__.py", line 363, in
>> execute_from_command_line
>> >>>>> utility.execute()
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/core/management/__init__.py", line 355, in execute
>> >>>>> self.fetch_command(subcommand).run_from_argv(self.argv)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/core/management/base.py", line 283, in run_from_argv
>> >>>>> self.execute(*args, **cmd_options)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/core/management/base.py", line 330, in execute
>> >>>>> output = self.handle(*args, **options)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/core/management/commands/migrate.py", line 204, in handle
>> >>>>> fake_initial=fake_initial,
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/migrations/executor.py", line 115, in migrate
>> >>>>> state = self._migrate_all_forwards(state, plan, full_plan,
>> fake=fake, fake_initial=fake_initial)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/migrations/executor.py", line 145, in
>> _migrate_all_forwards
>> >>>>> state = self.apply_migration(state, migration, fake=fake,
>> fake_initial=fake_initial)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/migrations/executor.py", line 244, in apply_migration
>> >>>>> state = migration.apply(state, schema_editor)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/migrations/migration.py", line 129, in apply
>> >>>>> operation.database_forwards(self.app_label, schema_editor,
>> old_state, project_state)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/migrations/operations/models.py", line 785, in
>> database_forwards
>> >>>>> schema_editor.add_index(model, self.index)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/backends/base/schema.py", line 330, in add_index
>> >>>>> self.execute(index.create_sql(model, self))
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/backends/base/schema.py", line 119, in execute
>> >>>>> cursor.execute(sql, params)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/backends/utils.py", line 80, in execute
>> >>>>> return super(CursorDebugWrapper, self).execute(sql, params)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/backends/utils.py", line 65, in execute
>> >>>>> return self.cursor.execute(sql, params)
>> >>>>> File 
>> >>>>> "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-packages/django/db/utils.py",
>> line 94, in __exit__
>> >>>>> six.reraise(dj_exc_type, dj_exc_value, traceback)
>> >>>>> File "/Users/cadu/Envs/dj_datadictionary/lib/python2.7/site-
>> packages/django/db/backends/utils.py", line 65, in execute
>> >>>>> return self.cursor.execute(sql, params)
>> >>>>> django.db.utils.ProgrammingError: zero-length delimited identifier
>> at or near """"
>> >>>>> LINE 1: CREATE INDEX ""big_name-w_name_cd0539_idx" ON
>> "testapp_publi...
>> >>>>> ^
>> >>>
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