Django wagitail 后端 oracle 迁移 ORA-00907: 缺少右括号
Django wagitail backend oracle migrate ORA-00907: missing right parenthesis
Django 3.2.9
Oracle Database 12c 企业版 12.1.0.2.0 版 - 64 位生产
cx_Oracle8.3.0
Python3.7.6
我创建了一个新项目 Wagtail 并更改了 setting.py 数据库部分
DATABASES = {
# 'default': {
# 'ENGINE': 'django.db.backends.sqlite3',
# 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
# }
'default': {
'ENGINE': 'django.db.backends.oracle',
'NAME': '(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = XXX)(PORT = 1526)) (CONNECT_DATA = (SERVER = DEDICATED) (SID = XXXX)))',
'USER': 'ZZZZZZ',
'PASSWORD': 'ZZZZZZZ',
'HOST': '',
'PORT': '',
}
}
执行 python manage.py 迁移时显示此错误：
WARNINGS:
wagtailcore.WorkflowState: (models.W036) Oracle does not support unique constraints with conditions.
HINT: A constraint won't be created. Silence this warning if you don't care about it.
Operations to perform:
Apply all migrations: admin, auth, contenttypes, home, sessions, taggit, wagtailadmin, wagtailcore, wagtaildocs, wagtailembeds, wagtailforms, wagtailimages, wagtailredirects, wagtailsearch, wagtailusers
Running migrations:
Applying wagtailcore.0059_apply_collection_ordering...Traceback (most recent call last):
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\oracle\base.py", line 523, in execute
return self.cursor.execute(query, self._param_generator(params))
cx_Oracle.DatabaseError: ORA-00907: missing right parenthesis
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\__init__.py", line 419, in execute_from_command_line
utility.execute()
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\__init__.py", line 413, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\base.py", line 354, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\base.py", line 398, in execute
output = self.handle(*args, **options)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\base.py", line 89, in wrapped
res = handle_func(*args, **kwargs)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\commands\migrate.py", line 246, in handle
fake_initial=fake_initial,
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\executor.py", line 117, in migrate
state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\executor.py", line 147, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\executor.py", line 227, in apply_migration
state = migration.apply(state, schema_editor)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\migration.py", line 123, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\operations\special.py", line 190, in database_forwards
self.code(from_state.apps, schema_editor)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\wagtail\core\migrations[=11=]59_apply_collection_ordering.py", line 15, in apply_collection_ordering
Collection.fix_tree(fix_paths=True)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\wagtail\core\treebeard.py", line 19, in fix_tree
super().fix_tree(**kwargs)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\treebeard\mp_tree.py", line 789, in fix_tree
cursor.execute(sql, vals)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 98, in execute
return super().execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 66, in execute
return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 75, in _execute_with_wrappers
return executor(sql, params, many, context)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\oracle\base.py", line 523, in execute
return self.cursor.execute(query, self._param_generator(params))
django.db.utils.DatabaseError: ORA-00907: missing right parenthesis
哪个问题？我只更改数据库定义
django 版本可能是问题所在吗？来自 djangp 3.0 ?
迁移文件错误
# Generated by Django 3.1.1 on 2020-09-30 10:14
from django.db import migrations
# import the real Collection model (as opposed to the frozen version we'd obtain with
# apps.get_model) so that we can use its fix_tree method. Importing real models in migrations is
# generally avoided since it's liable to generate SQL queries according to the final migrated
# database state which we haven't reached yet - however, in this case it should be safe because
# fix_tree only touches the Treebeard-specific fields via values_list and update, and shouldn't be
# sensitive to schema changes elsewhere.
from wagtail.core.models import Collection
def apply_collection_ordering(apps, schema_editor):
Collection.fix_tree(fix_paths=True)
class Migration(migrations.Migration):
dependencies = [
('wagtailcore', '0058_page_alias_of'),
]
operations = [
migrations.RunPython(apply_collection_ordering, migrations.RunPython.noop),
]
根据https://github.com/wagtail/wagtail#compatibility，Wagtail 不正式支持 Oracle 作为数据库后端。
此处失败的特定查询是 django-treebeard library, which also does not support Oracle.
的一部分
Django 3.2.9 Oracle Database 12c 企业版 12.1.0.2.0 版 - 64 位生产 cx_Oracle8.3.0 Python3.7.6
我创建了一个新项目 Wagtail 并更改了 setting.py 数据库部分
DATABASES = {
# 'default': {
# 'ENGINE': 'django.db.backends.sqlite3',
# 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
# }
'default': {
'ENGINE': 'django.db.backends.oracle',
'NAME': '(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = XXX)(PORT = 1526)) (CONNECT_DATA = (SERVER = DEDICATED) (SID = XXXX)))',
'USER': 'ZZZZZZ',
'PASSWORD': 'ZZZZZZZ',
'HOST': '',
'PORT': '',
}
}
执行 python manage.py 迁移时显示此错误：
WARNINGS:
wagtailcore.WorkflowState: (models.W036) Oracle does not support unique constraints with conditions.
HINT: A constraint won't be created. Silence this warning if you don't care about it.
Operations to perform:
Apply all migrations: admin, auth, contenttypes, home, sessions, taggit, wagtailadmin, wagtailcore, wagtaildocs, wagtailembeds, wagtailforms, wagtailimages, wagtailredirects, wagtailsearch, wagtailusers
Running migrations:
Applying wagtailcore.0059_apply_collection_ordering...Traceback (most recent call last):
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\oracle\base.py", line 523, in execute
return self.cursor.execute(query, self._param_generator(params))
cx_Oracle.DatabaseError: ORA-00907: missing right parenthesis
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\__init__.py", line 419, in execute_from_command_line
utility.execute()
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\__init__.py", line 413, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\base.py", line 354, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\base.py", line 398, in execute
output = self.handle(*args, **options)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\base.py", line 89, in wrapped
res = handle_func(*args, **kwargs)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\core\management\commands\migrate.py", line 246, in handle
fake_initial=fake_initial,
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\executor.py", line 117, in migrate
state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\executor.py", line 147, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\executor.py", line 227, in apply_migration
state = migration.apply(state, schema_editor)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\migration.py", line 123, in apply
operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\migrations\operations\special.py", line 190, in database_forwards
self.code(from_state.apps, schema_editor)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\wagtail\core\migrations[=11=]59_apply_collection_ordering.py", line 15, in apply_collection_ordering
Collection.fix_tree(fix_paths=True)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\wagtail\core\treebeard.py", line 19, in fix_tree
super().fix_tree(**kwargs)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\treebeard\mp_tree.py", line 789, in fix_tree
cursor.execute(sql, vals)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 98, in execute
return super().execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 66, in execute
return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 75, in _execute_with_wrappers
return executor(sql, params, many, context)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "C:\Users\A262556\Documents\PROGETTI\prj-intranet-new\cms-prova\venv\lib\site-packages\django\db\backends\oracle\base.py", line 523, in execute
return self.cursor.execute(query, self._param_generator(params))
django.db.utils.DatabaseError: ORA-00907: missing right parenthesis
哪个问题？我只更改数据库定义
django 版本可能是问题所在吗？来自 djangp 3.0 ?
迁移文件错误
# Generated by Django 3.1.1 on 2020-09-30 10:14
from django.db import migrations
# import the real Collection model (as opposed to the frozen version we'd obtain with
# apps.get_model) so that we can use its fix_tree method. Importing real models in migrations is
# generally avoided since it's liable to generate SQL queries according to the final migrated
# database state which we haven't reached yet - however, in this case it should be safe because
# fix_tree only touches the Treebeard-specific fields via values_list and update, and shouldn't be
# sensitive to schema changes elsewhere.
from wagtail.core.models import Collection
def apply_collection_ordering(apps, schema_editor):
Collection.fix_tree(fix_paths=True)
class Migration(migrations.Migration):
dependencies = [
('wagtailcore', '0058_page_alias_of'),
]
operations = [
migrations.RunPython(apply_collection_ordering, migrations.RunPython.noop),
]
根据https://github.com/wagtail/wagtail#compatibility，Wagtail 不正式支持 Oracle 作为数据库后端。
此处失败的特定查询是 django-treebeard library, which also does not support Oracle.
的一部分