From: | tango ward <tangoward15(at)gmail(dot)com> |
---|---|
To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
Cc: | "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org> |
Subject: | Re: ON CONFLICT DO UPDATE |
Date: | 2018-05-10 04:56:16 |
Message-ID: | CAA6wQL+oGPu-pgSAd2wX7AAyvVvnQAnen_Nf57LmuXSOu4c+Fg@mail.gmail.com |
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Thread: | |
Lists: | pgsql-general |
Sorry, I modified the school_system_id in CONFLICT CLAUSE.
On Thu, May 10, 2018 at 12:07 PM, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
wrote:
> 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
>
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