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Date: Wed, 5 Mar 2025 15:49:05 -0800
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Subject: Re: Duplicate Key Values
To: Ron Johnson <ronljohnsonjr@gmail.com>,
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From: Adrian Klaver <adrian.klaver@aklaver.com>
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On 3/5/25 15:37, Ron Johnson wrote:
> What does "and unique identifier" mean?
> 
> (Creating a Primary Key constraint automatically creates a unique 
> no-nulls-allowed index on the column(s), so no other index is needed.)
> 
> Can you show the table definition?
> 
> Anyway, you /should/ be able to delete one of the duplicate node_id 
> records by specifying another column with a different value;
> 
> On Wed, Mar 5, 2025 at 6:14 PM mark bradley <markbradyju@outlook.com 
> <mailto:markbradyju@outlook.com>> wrote:
> 
>     Hi Ron,
> 
>     The key is an integer.  I'm using pGAdmin4 and recently updated to
>     the latest version.

1) Did you not see duplicates with the old version of pgAdmin4?

2) What do you see if you use psql?

3) Did you upgrade/move the Postgres server or the underlying OS?

4) Have you tried reindexing the node_id field?

> 
>     The records are not all identical, some have NULL values of the
>     non-key for some unknown reason.  Here is a screenshot.  The key is
>     node_id, which I have specified as a key and unique identifier.
> 
> 
> 


-- 
Adrian Klaver
adrian.klaver@aklaver.com