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From: Vitalii Tymchyshyn <[email protected]>
To: Burcin Yazici <[email protected]>
Cc: Sajjad Abid <[email protected]>
Cc: Diomedes Dominguez <[email protected]>
Cc: [email protected]
Subject: Re: Reg. Postgres Unique contraint
Date: Wed, 27 Nov 2024 17:13:03 +1000
Message-ID: <CABWW-d2bpmz3o8y_bq+z0BeaU8Uu4XUY0BKXS94BgF=aP7yiWw@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <CANjRhAHar1rAAHtAZj3jkvAJc_HL5973O=zpgRWhcMfxp+rXLA@mail.gmail.com>
	<[email protected]>

We saw it when OS image changed resulting in collation library change, so
index lookups started to fail and reindex was needed to fix it.

ср, 27 лист. 2024 р. о 16:23 Burcin Yazici <[email protected]> пише:

> hi,
>
> make sure that the values are really duplicated first..
>
> - check  the collation of column.
> - check accent chars exist.
> - check lowercase, uppercase
> - check white space, tabs etc.
>
> burcin
>
> On 27 Nov 2024, at 07:28, Sajjad Abid <[email protected]> wrote:
>
> 
>
> Version of Postgres is 12.9
>
> On Wed, Nov 27, 2024 at 9:49 AM Diomedes Dominguez <
> [email protected]> wrote:
>
>> Which version of Postgres are you using?
>>
>> El mié, 27 de nov de 2024, 00:14, Sajjad Abid <[email protected]>
>> escribió:
>>
>>> A column is character varying(50), also on this column a unique
>>> constraint is defined, but I found some duplicate values in this column for
>>> some records
>>>   user_name character varying(50)
>>>   CONSTRAINT  user_name_unq   UNIQUE ( user_name )
>>>
>>> Kindly help me to resolve this issue.
>>>
>>> --
>>>
>>>
>>> *Thanks & Regards, Sajjad Abid*
>>>
>>
>
> --
>
>
> *Thanks & Regards, Sajjad Abid*
>
>


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