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 <[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/a35ab95ed4eec5c62fa19bdc69ecfe0eff3e1fca
>>> [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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>>
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