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/899999db4293d40613626833860de28e8ccdd413/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 :
-- 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/899999db4293d40613626833860de28e8ccdd413/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_fb33c7ca_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 <cad...@gmail.com> 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 <cad...@gmail.com> 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 <chare...@gmail.com> 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/ a35ab95ed4eec5c62fa19bdc69ecfe 0eff3e1fca
>>> [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>/Volumes/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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