Re: Django apparently can't handle that error.

Stephen, I am using Django 1.9.5, PostgreSQL 9.3

I do not know, maybe the order of the apps may be interfering in the way Django sorts the commands to be sent to the postgresql.

INSTALLED_APPS = [
    'core',  # here: Account, Log
    'myapp',  # here: Car, CarLog

What is happening is that post_delete is trying to create a log for an account that does not exist. The exception doesn't works.

This seems to be a bug.

Em sábado, 23 de abril de 2016 18:28:08 UTC-3, Stephen Butler escreveu:

Sorry, I did miss that.

I created a quick test project in 1.9 and ran your sample. It works fine for me. The delete() returns that it deleted 4 objects: the Account, Car, Log, and CarLog. There's something else in your project that is causing the error.

On Sat, Apr 23, 2016 at 3:42 PM, Neto <paulosou...@gmail.com> wrote:

Stephen, CarLog is inheriting Log.

Em sábado, 23 de abril de 2016 17:14:57 UTC-3, Stephen Butler escreveu:

Look a little closer at the error message:

Error:

insert or update on table "myapp_log" violates foreign key constraint "myapp_log_account_id_6ea8d7a6_fk_myapp_account_id"  DETAIL:  Key (account_id)=(11) is not present in table "myapp_account".

It's happening this error rather than the exception.

The table is myapp_log, not myapp_carlog. The error isn't in the post_delete signal you're showing up. Do you have a post_delete for Account objects?

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