Re: ON CONFLICT DO UPDATE

On 05/09/2018 07:04 PM, tango ward wrote:
>
> Hi,
>
> Sorry for asking question again.
>
> I would like to know if there's a workaround for this. I need to insert
> Student Balance data into a table. The source data have duplicate values
> for student_id, school_id and campus_name. My StudentBalance model in
> Djano have Class Meta of:
>
> class Meta:
>         unique_together = (
>             "school",
>             "student_id",
>             "campus_name"
>         )
>
> Searched online and found this magical tool called ON CONFLICT DO
> UPDATE. I played around with it, made it work but there's a problem. The
> balance data is not being updated which is because it's not in class
> Meta with unique_together. I would like to know if there's a way to
> update the data in Student Balance column without adding it to the class
> Meta?

I doubt that Meta has anything to do with the balance not being updated.
What the Meta does is set up a UNIQUE index over the school, student_id
and campus_name columns. I am going to say the issue is with ON CONFLICT
DO UPDATE clause you create on the table. To help solve this we need:

1) The schema of the table StudentBalance points to.

2) The ON CONFLICT DO UPDATE clause you created on the table.

>
>
> Thanks,
> J

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com