设置新数据库heroku我试过python manage migrate并得到许多与相关的异常relation already exists/does not exists。所以我按照这里的说明进行操作django 1.9：编程错误：关系“users_user”不存在 https://stackoverflow.com/questions/37575236/django-1-9-programmingerror-relation-users-user-does-not-exist但没有成功。
~ $ django-admin showmigrations
admin
[ ] 0001_initial
[ ] 0002_logentry_remove_auto_add
auth
[ ] 0001_initial
[ ] 0002_alter_permission_name_max_length
[ ] 0003_alter_user_email_max_length
[ ] 0004_alter_user_username_opts
[ ] 0005_alter_user_last_login_null
[ ] 0006_require_contenttypes_0002
[ ] 0007_alter_validators_add_error_messages
[ ] 0008_alter_user_username_max_length
contenttypes
[ ] 0001_initial
[ ] 0002_remove_content_type_name
dashboard
[ ] 0001_squashed_0024_auto_20161205_2214 (24 squashed migrations)
sessions
[ ] 0001_initial
当我跑步时migrate
~ $ python manage.py migrate
Operations to perform:
Apply all migrations: admin, auth, contenttypes, dashboard, 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 dashboard.0001_squashed_0024_auto_20161205_2214...Traceback (most recent call last):
File "/app/.heroku/python/lib/python3.5/site-packages/django/db/backends/utils.py", line 64, in execute
return self.cursor.execute(sql, params)
psycopg2.ProgrammingError: relation "dashboard_dashboards" does not exist
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "/app/.heroku/python/lib/python3.5/site-packages/django/core/management/__init__.py", line 367, in execute_from_command_line
utility.execute()
File "/app/.heroku/python/lib/python3.5/site-packages/django/core/management/__init__.py", line 359, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/app/.heroku/python/lib/python3.5/site-packages/django/core/management/base.py", line 294, in run_from_argv
self.execute(*args, **cmd_options)
File "/app/.heroku/python/lib/python3.5/site-packages/django/core/management/base.py", line 345, in execute
output = self.handle(*args, **options)
File "/app/.heroku/python/lib/python3.5/site-packages/django/core/management/commands/migrate.py", line 204, in handle
fake_initial=fake_initial,
File "/app/.heroku/python/lib/python3.5/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 "/app/.heroku/python/lib/python3.5/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 "/app/.heroku/python/lib/python3.5/site-packages/django/db/migrations/executor.py", line 244, in apply_migration
state = migration.apply(state, schema_editor)
File "/app/.heroku/python/lib/python3.5/site-packages/django/db/backends/base/schema.py", line 92, in __exit__
self.execute(sql)
File "/app/.heroku/python/lib/python3.5/site-packages/django/db/backends/base/schema.py", line 112, in execute
cursor.execute(sql, params)
File "/app/.heroku/python/lib/python3.5/site-packages/django/db/backends/utils.py", line 64, in execute
return self.cursor.execute(sql, params)
File "/app/.heroku/python/lib/python3.5/site-packages/django/db/utils.py", line 94, in __exit__
six.reraise(dj_exc_type, dj_exc_value, traceback)
File "/app/.heroku/python/lib/python3.5/site-packages/django/utils/six.py", line 685, in reraise
raise value.with_traceback(tb)
File "/app/.heroku/python/lib/python3.5/site-packages/django/db/backends/utils.py", line 64, in execute
return self.cursor.execute(sql, params)
django.db.utils.ProgrammingError: relation "dashboard_dashboards" does not exist
这是相关部分0001_squashed_0024_auto_20161205_2214.py
operations = [
migrations.CreateModel(
name='Dashboards',
fields=[
('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('dashboard_name', models.CharField(max_length=200, unique=True, verbose_name='Dashboard Name')),
('create_date', models.DateTimeField(auto_now=True, verbose_name='Dashboard Create Date')),
('advisory_end_date', models.DateField(verbose_name='End date of Advisory Process')),
('advisory_start_date', models.DateField(verbose_name='Start date of Advisory Process')),
('number_of_teams', models.IntegerField(verbose_name='Number of teams')),
],
),
migrations.AlterModelOptions(
name='dashboards',
options={'verbose_name': 'Dashboard', 'verbose_name_plural': 'Dashboards'},
),
migrations.RenameModel(
old_name='Dashboards',
new_name='Dashboard',
),
migrations.RenameField(
model_name='dashboard',
old_name='dashboard_name',
new_name='name',
),
migrations.AlterField(
model_name='dashboard',
name='create_date',
field=models.DateTimeField(auto_now_add=True, verbose_name='Dashboard Create Date'),
),
当在本地运行迁移时，迁移工作正常sqlite3数据库但未开启heroku with postgresql.
