Re: ON CONFLICT clause NOT working on Partition Table PostgreSQL 12

From: Steve Midgley <science(at)misuse(dot)org>
To: Inzamam Shafiq <inzamam(dot)shafiq(at)hotmail(dot)com>
Cc: "pgsql-sql(at)lists(dot)postgresql(dot)org" <pgsql-sql(at)lists(dot)postgresql(dot)org>
Subject: Re: ON CONFLICT clause NOT working on Partition Table PostgreSQL 12
Date: 2022-09-15 23:09:01
Message-ID: CAJexoS+F37aQStLD4chj51EhtLyUWFNTtC4Vduq4XqR_bFwYCQ@mail.gmail.com
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On Thu, Sep 15, 2022 at 6:32 PM Inzamam Shafiq <inzamam(dot)shafiq(at)hotmail(dot)com>
wrote:

>
> Hi Team,
>
> I have a partitioned table in postgresql12 and the unique constraint is
> applied on the child tables, when I use ON CONFLICT clause it returned an
> error "duplicate key value violates unique constraint "..."", I tried to
> replicate the scenario on a test table and created a unique index on
> partition column and the unique column but when I try to insert data it
> again return the same error.
>
> This works successfully when I directly insert data in the child table.
>
> What could be the way forward to get this work on parent table?
>

Please send DDL, sample data (ideally as inserts), and the sql statement
that causes the error. Given your description of the problem, I think if
you do that, you'll find people on this list solve the issue very quickly
for you. Without that, it's hard to diagnose, at least for me.

Best,
Steve

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