Oracle数据库的Django迁移问题
将Django数据库迁移到Oracle时遇到一些问题。在进行makemigration时，没有问题。但是，当我迁移时，会出现以下错误：Oracle数据库的Django迁移问题,django,django-models,cx-oracle,Django,Django Models,Cx Oracle,将Django数据库迁移到Oracle时遇到一些问题。在进行makemigration时，没有问题。但是，当我迁移时，会出现以下错误： Operations to perform: Apply all migrations: Products, admin, auth, contenttypes, sessions Running migrations: Applying Products.0001_initial...Traceback (most recent call last):
Operations to perform:
Apply all migrations: Products, admin, auth, contenttypes, sessions
Running migrations:
Applying Products.0001_initial...Traceback (most recent call last):
File "manage.py", line 15, in <module>
execute_from_command_line(sys.argv)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\core\management\__init__.py", line 371, in execute_from_command_line
utility.execute()
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\core\management\__init__.py", line 365, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\core\management\base.py", line 288, in run_from_argv
self.execute(*args, **cmd_options)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\core\management\base.py", line 335, in execute
output = self.handle(*args, **options)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\core\management\commands\migrate.py", line 200, in handle
fake_initial=fake_initial,
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\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:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\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:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\migrations\executor.py", line 250, in apply_migration
self.recorder.record_applied(migration.app_label, migration.name)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\migrations\recorder.py", line 71, in record_applied
self.migration_qs.create(app=app, name=name)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\query.py", line 417, in create
obj.save(force_insert=True, using=self.db)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\base.py", line 729, in save
force_update=force_update, update_fields=update_fields)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\base.py", line 759, in save_base
updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\base.py", line 842, in _save_table
result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\base.py", line 880, in _do_insert
using=using, raw=raw)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\manager.py", line 82, in manager_method
return getattr(self.get_queryset(), name)(*args, **kwargs)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\query.py", line 1125, in _insert
return query.get_compiler(using=using).execute_sql(return_id)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\models\sql\compiler.py", line 1292, in execute_sql
return self.connection.ops.fetch_returned_insert_id(cursor)
File "C:\Program Files (x86)\Google\Cloud SDK\PiSquareDjangoWebsite\DjangoEnv\lib\site-packages\django\db\backends\oracle\operations.py", line 228, in fetch_returned_insert_id
return int(cursor._insert_id_var.getvalue())
TypeError: int() argument must be a string, a bytes-like object or a number, not 'list'
from django.db import migrations, models
class Migration(migrations.Migration):
initial = True
dependencies = [
]
operations = [
migrations.CreateModel(
name='Product',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('title', models.TextField()),
('description', models.TextField()),
('comments', models.TextField(default='No comments!')),
('featured', models.BooleanField(default=True)),
],
),
]
Name Null? Type
----------- -------- ----------
ID NOT NULL NUMBER(11)
TITLE NCLOB
DESCRIPTION NCLOB
COMMENTS NCLOB
FEATURED NOT NULL NUMBER(1)
我尝试删除表、删除缓存文件夹并运行makemigrate/migrate。非常感谢您的帮助。您是否尝试过在删除表的同时删除迁移文件？@iain shelvington是的，删除了迁移中的文件。同样的结果。虽然表中缺少的字段现在已经存在：（DjangoEnv）C:\Program Files（x86）\Google\Cloud SDK\PiSquareDjangoWebsite\src>python manage.py makemigrations“产品”的迁移：Products\Migrations\0001_initial.py-创建模型产品
Name Null？键入-------------------ID非空数字（11）标题NCLOB说明NCLOB注释NCLOB特征非空数字（1）Name Null？键入-------------------ID非空数字（11）标题NCLOB说明NCLOB注释NCLOB特征非空数字（1）Name Null? Type
----------- -------- ----------
ID NOT NULL NUMBER(11)
TITLE NCLOB
DESCRIPTION NCLOB
COMMENTS NCLOB
FEATURED NOT NULL NUMBER(1)