| 48 | |
| 49 | The error shown in the terminal is: |
| 50 | |
| 51 | {{{ |
| 52 | Traceback (most recent call last): |
| 53 | File "manage.py", line 22, in <module> |
| 54 | execute_from_command_line(sys.argv) |
| 55 | File "/lib/python3.6/site-packages/django/core/management/__init__.py", line 401, in execute_from_command_line |
| 56 | utility.execute() |
| 57 | File "/lib/python3.6/site-packages/django/core/management/__init__.py", line 395, in execute |
| 58 | self.fetch_command(subcommand).run_from_argv(self.argv) |
| 59 | File "/lib/python3.6/site-packages/django/core/management/base.py", line 328, in run_from_argv |
| 60 | self.execute(*args, **cmd_options) |
| 61 | File "/lib/python3.6/site-packages/django/core/management/commands/sqlmigrate.py", line 30, in execute |
| 62 | return super().execute(*args, **options) |
| 63 | File "/lib/python3.6/site-packages/django/core/management/base.py", line 369, in execute |
| 64 | output = self.handle(*args, **options) |
| 65 | File "/lib/python3.6/site-packages/django/core/management/commands/sqlmigrate.py", line 65, in handle |
| 66 | sql_statements = executor.collect_sql(plan) |
| 67 | File "/lib/python3.6/site-packages/django/db/migrations/executor.py", line 225, in collect_sql |
| 68 | state = migration.apply(state, schema_editor, collect_sql=True) |
| 69 | File "/lib/python3.6/site-packages/django/db/migrations/migration.py", line 124, in apply |
| 70 | operation.database_forwards(self.app_label, schema_editor, old_state, project_state) |
| 71 | File "/lib/python3.6/site-packages/django/db/migrations/operations/models.py", line 525, in database_forwards |
| 72 | getattr(new_model._meta, self.option_name, set()), |
| 73 | File "/lib/python3.6/site-packages/django/db/backends/base/schema.py", line 380, in alter_unique_together |
| 74 | self._delete_composed_index(model, fields, {'unique': True}, self.sql_delete_unique) |
| 75 | File "/lib/python3.6/site-packages/django/db/backends/base/schema.py", line 414, in _delete_composed_index |
| 76 | ", ".join(columns), |
| 77 | ValueError: Found wrong number (0) of constraints for bar_model3(model_2, order) |
| 78 | }}} |