15 lines
512 B
Python
15 lines
512 B
Python
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from django.contrib.contenttypes.fields import GenericRelation
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from django.db import DEFAULT_DB_ALIAS
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class VirtualDatabaseRelation(GenericRelation):
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""" Delete related databases if any """
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def bulk_related_objects(self, objs, using=DEFAULT_DB_ALIAS):
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pks = []
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for obj in objs:
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if obj.database_id:
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pks.append(obj.database_id)
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if not pks:
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return []
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return self.remote_field.model._base_manager.db_manager(using).filter(pk__in=pks)
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