#29304: QuerySet.bulk_create() fails with "ORA-01790: expression must have same datatype as corresponding expression" -------------------------------------+------------------------------------- Reporter: isergey | Owner: nobody Type: Bug | Status: new Component: Database layer | Version: 2.0 (models, ORM) | Severity: Normal | Resolution: Keywords: | Triage Stage: | Unreviewed Has patch: 0 | Needs documentation: 0 Needs tests: 0 | Patch needs improvement: 0 Easy pickings: 0 | UI/UX: 0 -------------------------------------+------------------------------------- Changes (by Tim Graham):
* type: Uncategorized => Bug * component: Uncategorized => Database layer (models, ORM) Old description: > I have to models > {{{ > class Record(models.Model): > hash = models.CharField(max_length=32) > source = models.ForeignKey(Source, on_delete=models.CASCADE) > create_date = models.DateTimeField(db_index=True) > update_date = models.DateTimeField(db_index=True) > deleted = models.BooleanField(default=False, db_index=True) > > class RecordContent(models.Model): > record = models.OneToOneField(Record, primary_key=True, > on_delete=models.CASCADE) > content = models.TextField(max_length=100 * 1024) > }}} > In MySQL this function works fine: > {{{ > def _create_records(record_containers): > records = [] > record_contents = [] > for record_container in record_containers: > records.append(record_container['record']) > record_contents.append(record_container['content']) > > models.Record.objects.bulk_create(records) > models.RecordContent.objects.bulk_create(record_contents) # in Oracle > ORA-01790: expression must have same datatype as corresponding expression > }}} > But in Oracle this code thows exception: ORA-01790: expression must have > same datatype as corresponding expression > > If refactor the function _create_records: > {{{ > def _create_records(record_containers): > for record_container in record_containers: > models.Record.objects.bulk_create([record_container['record']]) > models.RecordContent.objects.bulk_create([record_container['content']]) > }}} > there is no exception is thrown. > > What happens? New description: I have two models: {{{ class Record(models.Model): hash = models.CharField(max_length=32) source = models.ForeignKey(Source, on_delete=models.CASCADE) create_date = models.DateTimeField(db_index=True) update_date = models.DateTimeField(db_index=True) deleted = models.BooleanField(default=False, db_index=True) class RecordContent(models.Model): record = models.OneToOneField(Record, primary_key=True, on_delete=models.CASCADE) content = models.TextField(max_length=100 * 1024) }}} In MySQL this function works fine: {{{ def _create_records(record_containers): records = [] record_contents = [] for record_container in record_containers: records.append(record_container['record']) record_contents.append(record_container['content']) models.Record.objects.bulk_create(records) models.RecordContent.objects.bulk_create(record_contents) # in Oracle ORA-01790: expression must have same datatype as corresponding expression }}} But in Oracle this code thows exception: ORA-01790: expression must have same datatype as corresponding expression If refactor the function _create_records: {{{ def _create_records(record_containers): for record_container in record_containers: models.Record.objects.bulk_create([record_container['record']]) models.RecordContent.objects.bulk_create([record_container['content']]) }}} there is no exception is thrown. What happens? -- Comment: What version of Django are you using? It might be a duplicate of #22669 (fixed in Django 2.0). If not, please try to minimize the code to reproduce the issue, including the data that causes the crash. -- Ticket URL: <https://code.djangoproject.com/ticket/29304#comment:3> Django <https://code.djangoproject.com/> The Web framework for perfectionists with deadlines. -- You received this message because you are subscribed to the Google Groups "Django updates" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-updates+unsubscr...@googlegroups.com. To post to this group, send email to django-updates@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/django-updates/065.3e604b75318438c7e09d44f68adfe0e5%40djangoproject.com. For more options, visit https://groups.google.com/d/optout.