Python django.db.utils.ProgrammingError:列am.amcanorder不存在
我使用PostgreSQL作为数据库，并使用django租户模式。但是，当我运行以下命令时，我得到的错误是Python django.db.utils.ProgrammingError:列am.amcanorder不存在,python,django,postgresql,Python,Django,Postgresql,我使用PostgreSQL作为数据库，并使用django租户模式。但是，当我运行以下命令时，我得到的错误是 (checkpoint_env) G:\Django_Projects\RackNole\checkpoint_shashi_2\checkpoint_shashi_2>python manage.py migrate_schemas --shared System check identified some issues: WARNINGS: checkpoint.Multi
(checkpoint_env)
G:\Django_Projects\RackNole\checkpoint_shashi_2\checkpoint_shashi_2>python manage.py migrate_schemas --shared
System check identified some issues:
WARNINGS:
checkpoint.MultiSelectResponse.response: (fields.W340) null has no effect on ManyToManyField.
=== Running migrate for schema public
System check identified some issues:
WARNINGS:
checkpoint.MultiSelectResponse.response: (fields.W340) null has no effect on ManyToManyField.
Operations to perform:
Apply all migrations: website, checkpoint, account, django_comments, redirects, core, admin, twitter, galleries, tastypie, customers, auth, sites, blog, generic, contenttypes, sessions, conf, forms, pages, socialaccount
Running migrations:
Rendering model states... DONE
Applying core.0002_auto_20150414_2140...Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\core\management\__init__.py", line 350, in execute_from_command_line
utility.execute()
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\core\management\__init__.py", line 342, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\core\management\base.py", line 348, in run_from_argv
self.execute(*args, **cmd_options)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\core\management\base.py", line 399, in execute
output = self.handle(*args, **options)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\tenant_schemas\management\commands\migrate_schemas.py", line 42, in handle
self.run_migrations(self.schema_name, settings.SHARED_APPS)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\tenant_schemas\management\commands\migrate_schemas.py", line 65, in run_migrations
command.execute(*self.args, **self.options)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\core\management\base.py", line 399, in execute
output = self.handle(*args, **options)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\core\management\commands\migrate.py", line 200, in handle
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\migrations\executor.py", line 92, in migrate
self._migrate_all_forwards(plan, full_plan, fake=fake, fake_initial=fake_initial)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\migrations\executor.py", line 121, in _migrate_all_forwards
state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\migrations\executor.py", line 198, in apply_migration
state = migration.apply(state, schema_editor)
File "G:\Py_Envs\Racknole\checkpoint_env\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 "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\migrations\operations\fields.py", line 201, in database_forwards
schema_editor.alter_field(from_model, from_field, to_field)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\backends\base\schema.py", line 482, in alter_field
old_db_params, new_db_params, strict)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\backends\base\schema.py", line 491, in _alter_field
fk_names = self._constraint_names(model, [old_field.column], foreign_key=True)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\backends\base\schema.py", line 911, in _constraint_names
constraints = self.connection.introspection.get_constraints(cursor, model._meta.db_table)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\tenant_schemas\postgresql_backend\introspection.py", line 287, in get_constraints
'table': table_name,
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\backends\utils.py", line 79, in execute
return super(CursorDebugWrapper, self).execute(sql, params)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\backends\utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\utils.py", line 95, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "G:\Py_Envs\Racknole\checkpoint_env\lib\site-packages\django\db\backends\utils.py", line 64, in execute
return self.cursor.execute(sql, params)
django.db.utils.ProgrammingError: column am.amcanorder does not exist
LINE 13: WHEN am.amcanorder THEN
（检查点环境）
G:\Django\u Projects\RackNole\checkpoint\u shashi\u 2\checkpoint\u shashi\u 2>python manage.py migrate\u schemas——共享
系统检查发现了一些问题：
警告:
checkpoint.multielectresponse.response:（fields.W340）null对ManyToManyField没有影响。
==正在为公共架构运行迁移
系统检查发现了一些问题：
警告:
checkpoint.multielectresponse.response:（fields.W340）null对ManyToManyField没有影响。
要执行的操作：
应用所有迁移：网站、检查点、帐户、django_注释、重定向、核心、管理员、twitter、图库、tastypie、客户、身份验证、站点、博客、通用、内容类型、会话、配置、表单、页面、社交帐户
运行迁移：
正在渲染模型状态。。。完成
正在应用core.0002_auto_20150414_2140…回溯（最近一次调用）：
文件“manage.py”，第10行，在
从命令行（sys.argv）执行命令
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\core\management\\uuuuuuuuu init\uuuuuuuuu.Py”，第350行，从命令行执行
utility.execute（）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\core\management\\uuuuuuuu init\uuuuuuuu.Py”，第342行，在execute中
self.fetch_命令（子命令）。从_argv（self.argv）运行_
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\core\management\base.Py”，第348行，运行于\u argv
self.execute（*args，**cmd_选项）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\core\management\base.Py”，第399行，在execute中
输出=self.handle（*args，**选项）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\tenant\u schemas\management\commands\migrate\u schemas.Py”，第42行，位于句柄中
self.run_迁移（self.schema_名称、设置、共享_应用）
运行迁移中第65行的文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\tenant\u schemas\management\commands\migrate\u schemas.Py”
command.execute（*self.args，**self.options）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\core\management\base.Py”，第399行，在execute中
输出=self.handle（*args，**选项）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\core\management\commands\migrate.Py”，第200行，位于句柄中
executor.migrate（目标、计划、假=假、假首字母=假首字母）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\migrations\executor.Py”，第92行，在migrate中
self.\u迁移\u所有\u转发（计划、完整计划、假=假、假首字母=假首字母）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\migrations\executor.Py”，第121行，在“全部向前迁移”中
state=self.apply\u迁移（state，migration，false=false，false\u initial=false\u initial）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\migrations\executor.Py”，第198行，在应用迁移中
state=migration.apply（状态，模式编辑器）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\migrations\migration.Py”，第123行，在apply中
操作。数据库转发（self.app\u标签、模式编辑器、旧状态、项目状态）
数据库中的文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\migrations\operations\fields.Py”第201行
schema_editor.alter_字段（从_模型、从_字段到_字段）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\backends\base\schema.Py”，第482行，在alter\u字段中
旧参数，新参数，严格）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\backends\base\schema.Py”，第491行，在\u alter\u字段中
fk_name=self._constraint_name（模型，[old_field.column]，外键=True）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\backends\base\schema.Py”，第911行，在\u constraint\u name中
约束=self.connection.introspection.get_约束（游标、模型._meta.db_表）
get\U约束中的文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\tenant\u schemas\postgresql\u backend\introspection.Py”，第287行
“表”：表名称，
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\backends\utils.Py”，执行中第79行
返回super（CursorDebugWrapper，self）.execute（sql，params）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\backends\utils.Py”，执行中第64行
返回self.cursor.execute（sql，params）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\utils.Py”，第95行，在\uu出口处__
6.重新播放（dj_exc_类型、dj_exc_值、回溯）
文件“G:\Py\u Envs\Racknole\checkpoint\u env\lib\site packages\django\db\backends\utils.Py”，执行中第64行
返回self.cursor.execute（sql，params）
django.db.utils.ProgrammingError:列am.amcanorder不存在
第13行：当am.amcanorder