I can’t see anything wrong with what you’ve presented. Try generating a new database and using that. See if you still get random deletes on that database.
From: django-users@googlegroups.com [mailto:django-users@googlegroups.com] On Behalf Of RyanW Sent: Wednesday, October 24, 2018 9:51 AM To: Django users Subject: Re: Django auto-deletes field related to MySQL Transactions Hi Matthew and Joel. Thanks for your help. I'm attaching the models.py, views.py and templates for your reference. I'm drawing a blank on the implementation that could trigger a delete. Thanks again On Tuesday, October 23, 2018 at 11:54:17 AM UTC-5, Matthew Pava wrote: And make sure your form is posting to the save view and not the delete view. Maybe show us your template. From: django...@googlegroups.com<javascript:> [mailto:django...@googlegroups.com<javascript:>] On Behalf Of Joel Sent: Tuesday, October 23, 2018 11:32 AM To: django...@googlegroups.com<javascript:> Subject: Re: Django auto-deletes field related to MySQL Transactions You could have a signal which captures all these and logs its origin. On Tue, 23 Oct, 2018, 9:35 PM RyanW, <rwhit...@gmail.com<javascript:>> wrote: Yes, I honestly don't see how Django could be doing this either. The only I could think of was user deletion, but no one has claimed to have done so. No other apps are connected. Thanks for the tip!! On Tuesday, October 23, 2018 at 10:05:51 AM UTC-5, Matthew Pava wrote: It doesn’t seem like Django would be doing this. Do you have any other apps connected to the database? You’ll probably want to surround your URL in quotation marks. <a href=”{% url ‘epedelete’ epe.id<http://epe.id> %}”> From: django...@googlegroups.com [mailto:django...@googlegroups.com] On Behalf Of RyanW Sent: Tuesday, October 23, 2018 9:33 AM To: Django users Subject: Re: Django auto-deletes field related to MySQL Transactions I have a button to delete a record by the user, displayed inside a template as: <td><a href={% url 'epedelete' epe.id %}><input class="btn btn-danger" type="button" value="Delete" /></a></td> and the function in views.py def delete(request, part_id=None): obj = epe.objects.get(id=part_id) obj.delete() return HttpResponseRedirect(reverse('epe_home')) Other than that, I have some ForeignKey restraints on_delete to preserve integrity, like so: epe_ani2 = models.ForeignKey( Subjects, on_delete=models.PROTECT, null=True, blank=True ) As for the authentication backend, I'm using the default provided by Django: ['django.contrib.auth.backends.ModelBackend'] Thank you for the help! On Tuesday, October 23, 2018 at 9:16:24 AM UTC-5, Matthew Pava wrote: Check your source code for any delete commands. This might also be your authentication backend. Which one are you using? From: django...@googlegroups.com [mailto:django...@googlegroups.com] On Behalf Of RyanW Sent: Monday, October 22, 2018 7:55 PM To: Django users Subject: Django auto-deletes field related to MySQL Transactions I have a Django site I'm developing, which I've connected to a MySQL db. I haven't deployed into production yet, as I'm still working on a couple of things, however I leave the server running in development for initial data entry. I've noticed that some of the records already inputted gets deleted, seemingly randomly. I enabled logging on MySQL and found logs like the following: 6798 Connect rya...@cobb.eyes.uab.edu on downswebdb2 6798 Query SET NAMES utf8 6798 Query set autocommit=0 6798 Query set autocommit=1 6798 Query SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED 6798 Query SELECT `Epe_epe`.`id`, `Epe_epe`.`epe_type`, `Epe_epe`.`epe_type2_id`, `Epe_epe`.`epe_date`, `Epe_epe`.`epe_ani`, `Epe_epe`.`epe_ani2_id`, `Epe_epe`.`epe_apn`, `Epe_epe`.`epe_apn2_id`, `Epe_epe`.`epe_weight`, `Epe_epe`.`epe_drug_type1`, `Epe_epe`.`epe_drug1`, `Epe_epe`.`epe_dose1`, `Epe_epe`.`epe_amount1`, `Epe_epe`.`epe_route1`, `Epe_epe`.`epe_time1`, `Epe_epe`.`epe_drug_type2`, `Epe_epe`.`epe_drug2`, `Epe_epe`.`epe_dose2`, `Epe_epe`.`epe_amount2`, `Epe_epe`.`epe_route2`, `Epe_epe`.`epe_time2`, `Epe_epe`.`epe_drug_type3`, `Epe_epe`.`epe_drug3`, `Epe_epe`.`epe_dose3`, `Epe_epe`.`epe_amount3`, `Epe_epe`.`epe_route3`, `Epe_epe`.`epe_time3`, `Epe_epe`.`epe_drug_type4`, `Epe_epe`.`epe_drug4`, `Epe_epe`.`epe_dose4`, `Epe_epe`.`epe_amount4`, `Epe_epe`.`epe_route4`, `Epe_epe`.`epe_time4`, `Epe_epe`.`epe_drug_type5`, `Epe_epe`.`epe_drug5`, `Epe_epe`.`epe_dose5`, `Epe_epe`.`epe_amount5`, `Epe_epe`.`epe_route5`, `Epe_epe`.`epe_time5`, `Epe_epe`.`epe_drug_type6`, `Epe_epe`.`epe_drug6`, `Epe_epe`.`epe_dose6`, `Epe_epe`.`epe_amount6`, `Epe_epe`.`epe_route6`, `Epe_epe`.`epe_time6`, `Epe_epe`.`epe_iso_start`, `Epe_epe`.`epe_iso_end`, `Epe_epe`.`epe_o2_end`, `Epe_epe`.`epe_start1`, `Epe_epe`.`epe_start2`, `Epe_epe`.`epe_start3`, `Epe_epe`.`epe_start4`, `Epe_epe`.`epe_start5`, `Epe_epe`.`epe_start6`, `Epe_epe`.`epe_start7`, `Epe_epe`.`epe_start8`, `Epe_epe`.`epe_hr1`, `Epe_epe`.`epe_hr2`, `Epe_epe`.`epe_hr3`, `Epe_epe`.`epe_hr4`, `Epe_epe`.`epe_hr5`, `Epe_epe`.`epe_hr6`, `Epe_epe`.`epe_hr7`, `Epe_epe`.`epe_hr8`, `Epe_epe`.`epe_spo2_1`, `Epe_epe`.`epe_spo2_2`, `Epe_epe`.`epe_spo2_3`, `Epe_epe`.`epe_spo2_4`, `Epe_epe`.`epe_spo2_5`, `Epe_epe`.`epe_spo2_6`, `Epe_epe`.`epe_spo2_7`, `Epe_epe`.`epe_spo2_8`, `Epe_epe`.`epe_temp1`, `Epe_epe`.`epe_temp2`, `Epe_epe`.`epe_temp3`, `Epe_epe`.`epe_temp4`, `Epe_epe`.`epe_temp5`, `Epe_epe`.`epe_temp6`, `Epe_epe`.`epe_temp7`, `Epe_epe`.`epe_temp8`, `Epe_epe`.`epe_etco2_1`, `Epe_epe`.`epe_etco2_2`, `Epe_epe`.`epe_etco2_3`, `Epe_epe`.`epe_etco2_4`, `Epe_epe`.`epe_etco2_5`, `Epe_epe`.`epe_etco2_6`, `Epe_epe`.`epe_etco2_7`, `Epe_epe`.`epe_etco2_8`, `Epe_epe`.`epe_rr1`, `Epe_epe`.`epe_rr2`, `Epe_epe`.`epe_rr3`, `Epe_epe`.`epe_rr4`, `Epe_epe`.`epe_rr5`, `Epe_epe`.`epe_rr6`, `Epe_epe`.`epe_rr7`, `Epe_epe`.`epe_rr8`, `Epe_epe`.`epe_comment` FROM `Epe_epe` WHERE `Epe_epe`.`id` = 1508 6798 Query set autocommit=0 6798 Query DELETE FROM `Epe_epe` WHERE `Epe_epe`.`id` IN (1508) 6798 Query commit 6798 Query set autocommit=1 6798 Quit Where Epe_epe is from a model called Epe in my Django app. As far as I know, no user is performing delete commands on these records, so can I assume Django is performing these deletes in the background? 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