我在我的项目中使用 djongo 进行 MongoDB 连接。我已经清理了所有以前的迁移，删除了 sqlite 数据库并再次为应用程序进行了迁移。这里是所有需要运行的迁移
python3 manage.py showmigrations
admin
[X] 0001_initial
[X] 0002_logentry_remove_auto_add
[X] 0003_logentry_add_action_flag_choices
admin_interface
[X] 0001_initial
[X] 0002_add_related_modal
[X] 0003_add_logo_color
[X] 0004_rename_title_color
[X] 0005_add_recent_actions_visible
[X] 0006_bytes_to_str
[X] 0007_add_favicon
[X] 0008_change_related_modal_background_opacity_type
[X] 0009_add_enviroment
[X] 0010_add_localization
[X] 0011_add_environment_options
[X] 0012_update_verbose_names
[X] 0013_add_related_modal_close_button
[X] 0014_name_unique
[X] 0015_add_language_chooser_active
[X] 0016_add_language_chooser_display
[X] 0017_change_list_filter_dropdown
[X] 0018_theme_list_filter_sticky
[X] 0019_add_form_sticky
app
[X] 0001_initial
auth
[X] 0001_initial
[X] 0002_alter_permission_name_max_length
[X] 0003_alter_user_email_max_length
[X] 0004_alter_user_username_opts
[X] 0005_alter_user_last_login_null
[X] 0006_require_contenttypes_0002
[X] 0007_alter_validators_add_error_messages
[X] 0008_alter_user_username_max_length
[X] 0009_alter_user_last_name_max_length
[X] 0010_alter_group_name_max_length
[X] 0011_update_proxy_permissions
[X] 0012_alter_user_first_name_max_length
contenttypes
[X] 0001_initial
[X] 0002_remove_content_type_name
sessions
[X] 0001_initial
它运行除内容类型迁移之外的所有迁移。这是 python3 manage.py migrate
Applying contenttypes.0001_initial...This version of djongo does not support "schema validation using CONSTRAINT" fully. Visit https://nesdis.github.io/djongo/support/
OK
Applying auth.0001_initial...This version of djongo does not support "NULL, NOT NULL column validation check" fully. Visit https://nesdis.github.io/djongo/support/
This version of djongo does not support "schema validation using KEY" fully. Visit https://nesdis.github.io/djongo/support/
This version of djongo does not support "schema validation using REFERENCES" fully. Visit https://nesdis.github.io/djongo/support/
OK
Applying admin.0001_initial... OK
Applying admin.0002_logentry_remove_auto_add... OK
Applying admin.0003_logentry_add_action_flag_choices... OK
Applying admin_interface.0001_initial... OK
Applying admin_interface.0002_add_related_modal...This version of djongo does not support "schema validation using NOT NULL" fully. Visit https://nesdis.github.io/djongo/support/
This version of djongo does not support "COLUMN DROP DEFAULT " fully. Visit https://nesdis.github.io/djongo/support/
This version of djongo does not support "column type validation" fully. Visit https://nesdis.github.io/djongo/support/
OK
Applying admin_interface.0003_add_logo_color... OK
Applying admin_interface.0004_rename_title_color... OK
Applying admin_interface.0005_add_recent_actions_visible... OK
Applying admin_interface.0006_bytes_to_str... OK
Applying admin_interface.0007_add_favicon... OK
Applying admin_interface.0008_change_related_modal_background_opacity_type...This version of djongo does not support "DROP CASCADE" fully. Visit https://nesdis.github.io/djongo/support/
OK
Applying admin_interface.0009_add_enviroment... OK
Applying admin_interface.0010_add_localization... OK
Applying admin_interface.0011_add_environment_options... OK
Applying admin_interface.0012_update_verbose_names... OK
Applying admin_interface.0013_add_related_modal_close_button... OK
Applying admin_interface.0014_name_unique... OK
Applying admin_interface.0015_add_language_chooser_active... OK
Applying admin_interface.0016_add_language_chooser_display... OK
Applying admin_interface.0017_change_list_filter_dropdown... OK
Applying admin_interface.0018_theme_list_filter_sticky... OK
Applying admin_interface.0019_add_form_sticky... OK
Applying app.0001_initial... OK
Applying contenttypes.0002_remove_content_type_name...This version of djongo does not support "COLUMN DROP NOT NULL " fully. Visit https://nesdis.github.io/djongo/support/
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 auth.0009_alter_user_last_name_max_length... OK
Applying auth.0010_alter_group_name_max_length... OK
Applying auth.0011_update_proxy_permissions... OK
Applying auth.0012_alter_user_first_name_max_length... OK
Applying sessions.0001_initial... OK
Traceback (most recent call last):
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/query.py", line 857, in parse
return handler(self, statement)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/query.py", line 933, in _select
return SelectQuery(self.db, self.connection_properties, sm, self._params)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/query.py", line 116, in __init__
super().__init__(*args)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/query.py", line 62, in __init__
self.parse()
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/query.py", line 152, in parse
self.where = WhereConverter(self, statement)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/converters.py", line 27, in __init__
self.parse()
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/converters.py", line 119, in parse
self.op = WhereOp(
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/operators.py", line 475, in __init__
self._statement2ops()
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/operators.py", line 438, in _statement2ops
if prev_op.lhs is None:
AttributeError: 'NoneType' object has no attribute 'lhs'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/cursor.py", line 51, in execute
self.result = Query(
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/query.py", line 784, in __init__
self._query = self.parse()
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/sql2mongo/query.py", line 885, in parse
raise exe from e
djongo.exceptions.SQLDecodeError:
Keyword: None
Sub SQL: None
FAILED SQL: SELECT "admin_interface_theme"."id", "admin_interface_theme"."name", "admin_interface_theme"."active", "admin_interface_theme"."title", "admin_interface_theme"."title_color", "admin_interface_theme"."title_visible", "admin_interface_theme"."logo", "admin_interface_theme"."logo_color", "admin_interface_theme"."logo_visible", "admin_interface_theme"."favicon", "admin_interface_theme"."env_name", "admin_interface_theme"."env_color", "admin_interface_theme"."env_visible_in_header", "admin_interface_theme"."env_visible_in_favicon", "admin_interface_theme"."language_chooser_active", "admin_interface_theme"."language_chooser_display", "admin_interface_theme"."css_header_background_color", "admin_interface_theme"."css_header_text_color", "admin_interface_theme"."css_header_link_color", "admin_interface_theme"."css_header_link_hover_color", "admin_interface_theme"."css_module_background_color", "admin_interface_theme"."css_module_text_color", "admin_interface_theme"."css_module_link_color", "admin_interface_theme"."css_module_link_hover_color", "admin_interface_theme"."css_module_rounded_corners", "admin_interface_theme"."css_generic_link_color", "admin_interface_theme"."css_generic_link_hover_color", "admin_interface_theme"."css_save_button_background_color", "admin_interface_theme"."css_save_button_background_hover_color", "admin_interface_theme"."css_save_button_text_color", "admin_interface_theme"."css_delete_button_background_color", "admin_interface_theme"."css_delete_button_background_hover_color", "admin_interface_theme"."css_delete_button_text_color", "admin_interface_theme"."css", "admin_interface_theme"."related_modal_active", "admin_interface_theme"."related_modal_background_color", "admin_interface_theme"."related_modal_background_opacity", "admin_interface_theme"."related_modal_rounded_corners", "admin_interface_theme"."related_modal_close_button_visible", "admin_interface_theme"."list_filter_dropdown", "admin_interface_theme"."list_filter_sticky", "admin_interface_theme"."recent_actions_visible", "admin_interface_theme"."form_submit_sticky", "admin_interface_theme"."form_pagination_sticky" FROM "admin_interface_theme" WHERE "admin_interface_theme"."active"
Params: ()
Version: 1.3.6
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/cursor.py", line 59, in execute
raise db_exe from e
djongo.database.DatabaseError
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/jack/PycharmProjects/document-generation/manage.py", line 21, in <module>
main()
File "/home/jack/PycharmProjects/document-generation/manage.py", line 17, in main
execute_from_command_line(sys.argv)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line
utility.execute()
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/core/management/__init__.py", line 395, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/core/management/base.py", line 330, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/core/management/base.py", line 371, in execute
output = self.handle(*args, **options)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/core/management/base.py", line 85, in wrapped
res = handle_func(*args, **kwargs)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/core/management/commands/migrate.py", line 267, in handle
emit_post_migrate_signal(
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/core/management/sql.py", line 48, in emit_post_migrate_signal
models.signals.post_migrate.send(
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/dispatch/dispatcher.py", line 177, in send
return [
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/dispatch/dispatcher.py", line 178, in <listcomp>
(receiver, receiver(signal=self, sender=sender, **named))
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/admin_interface/models.py", line 28, in post_migrate_handler
Theme.get_active_theme()
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/admin_interface/models.py", line 56, in get_active_theme
objs_active_ls = list(objs_active_qs)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/models/query.py", line 269, in __len__
self._fetch_all()
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/models/query.py", line 1303, in _fetch_all
self._result_cache = list(self._iterable_class(self))
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/models/query.py", line 53, in __iter__
results = compiler.execute_sql(chunked_fetch=self.chunked_fetch, chunk_size=self.chunk_size)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/models/sql/compiler.py", line 1156, in execute_sql
cursor.execute(sql, params)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/backends/utils.py", line 98, in execute
return super().execute(sql, params)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/backends/utils.py", line 66, in execute
return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/backends/utils.py", line 75, in _execute_with_wrappers
return executor(sql, params, many, context)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/utils.py", line 90, in __exit__
raise dj_exc_value.with_traceback(traceback) from exc_value
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/django/db/backends/utils.py", line 84, in _execute
return self.cursor.execute(sql, params)
File "/home/jack/PycharmProjects/document-generation/venv/lib/python3.9/site-packages/djongo/cursor.py", line 59, in execute
raise db_exe from e
django.db.utils.DatabaseError
我无法理解错误消息的含义。有没有其他人遇到过这个问题？