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我加載與dumpdata創造了一個夾具,並獲得以下異常時加載夾具時:IntegrityError Django的測試
Problem installing fixture 'db_dump.json': Traceback (most recent call last):
File "/usr/lib/python2.6/site-packages/django/core/management/commands/loaddata.py", line 174, in handle
obj.save(using=using)
File "/usr/lib/python2.6/site-packages/django/core/serializers/base.py", line 165, in save
models.Model.save_base(self.object, using=using, raw=True)
File "/usr/lib/python2.6/site-packages/django/db/models/base.py", line 526, in save_base
rows = manager.using(using).filter(pk=pk_val)._update(values)
File "/usr/lib/python2.6/site-packages/django/db/models/query.py", line 491, in _update
return query.get_compiler(self.db).execute_sql(None)
File "/usr/lib/python2.6/site-packages/django/db/models/sql/compiler.py", line 869, in execute_sql
cursor = super(SQLUpdateCompiler, self).execute_sql(result_type)
File "/usr/lib/python2.6/site-packages/django/db/models/sql/compiler.py", line 735, in execute_sql
cursor.execute(sql, params)
File "/usr/lib/python2.6/site-packages/django/db/backends/sqlite3/base.py", line 234, in execute
return Database.Cursor.execute(self, query, params)
IntegrityError: columns app_label, model are not unique
這是一個sqlite3的後端。
更新:使用自然鍵在這裏沒有什麼區別。
這是什麼意思?爲什麼會發生?
是啊,被擊中的那一個了幾次,雖然從一個引擎遷移開發DBS另一隻時。測試裝置的一般規則是,你應該知道它的內容,因此你知道你的測試中發生了什麼,所以你沒有任何意外。 – eternicode
像這樣的東西對我有用(僅供進一步參考):./manage.py dumpdata -e contenttypes> initial_data.json。 –
感謝節省了很多 – soField