実現したいこと
Djangoを用いてWEBサイトを制作しています。
migrateした際、次のエラーが発生しました。
このエラーはどういった意味なのか、どうすればよいのかご教授ください。
エラーメッセージ
Operations to perform: Apply all migrations: admin, auth, contenttypes, qa, sessions, social_django, users Running migrations: Applying qa.0005_answer_question...Traceback (most recent call last): File "manage.py", line 15, in <module> execute_from_command_line(sys.argv) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/core/management/__init__.py", line 371, in execute_from_command_line utility.execute() File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/core/management/__init__.py", line 365, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/core/management/base.py", line 288, in run_from_argv self.execute(*args, **cmd_options) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/core/management/base.py", line 335, in execute output = self.handle(*args, **options) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/core/management/commands/migrate.py", line 200, in handle fake_initial=fake_initial, File "/home/kei/.virtualenvs/nextone/lib/python3.5/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 "/home/kei/.virtualenvs/nextone/lib/python3.5/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 "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/migrations/executor.py", line 244, in apply_migration state = migration.apply(state, schema_editor) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/migrations/migration.py", line 122, in apply operation.database_forwards(self.app_label, schema_editor, old_state, project_state) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/migrations/operations/fields.py", line 84, in database_forwards field, File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/backends/sqlite3/schema.py", line 306, in add_field self._remake_table(model, create_field=field) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/backends/sqlite3/schema.py", line 178, in _remake_table self.effective_default(create_field) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/backends/base/schema.py", line 224, in effective_default default = field.get_db_prep_save(default, self.connection) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/models/fields/related.py", line 936, in get_db_prep_save return self.target_field.get_db_prep_save(value, connection=connection) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 767, in get_db_prep_save return self.get_db_prep_value(value, connection=connection, prepared=False) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 939, in get_db_prep_value value = self.get_prep_value(value) File "/home/kei/.virtualenvs/nextone/lib/python3.5/site-packages/django/db/models/fields/__init__.py", line 947, in get_prep_value return int(value) ValueError: invalid literal for int() with base 10: 'NULL'
回答1件
あなたの回答
tips
プレビュー