Feedback-ID: i76984098:Fastmail
Message-ID: <24e0eb89-9cb3-4fc5-baa9-af1bb8036796@aklaver.com>
Date: Mon, 25 Nov 2024 21:36:47 -0800
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: Unique key constraint Issue
To: shashidhar Reddy <shashidharreddy001@gmail.com>
Cc: ajit wangkhem <ajit.wangkhem@gmail.com>,
 pgsql-general <pgsql-general@postgresql.org>
References: <CAH=zU4t3KRpt6uTZn_4eKkvpL_X9ACGNZ+XDxfMjnn6ovAyPVQ@mail.gmail.com>
 <CAMurXp115NcKB64EsksfSMJmztS_FBm0PuAmnXu_OXgh8MVz3w@mail.gmail.com>
 <CAH=zU4tTUYCyhipNy-auv-Zum=CFiV0g1BURyFxrx7_nsv0Ucg@mail.gmail.com>
 <42ed36a1-2581-43f7-a606-2c139929b38f@aklaver.com>
 <CAH=zU4syqG08eH7+McKeVL1f+ggfBSbpe89R0wwmfcDhk_3kiQ@mail.gmail.com>
Content-Language: en-US
From: Adrian Klaver <adrian.klaver@aklaver.com>
In-Reply-To: <CAH=zU4syqG08eH7+McKeVL1f+ggfBSbpe89R0wwmfcDhk_3kiQ@mail.gmail.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Archived-At: <https://www.postgresql.org/message-id/24e0eb89-9cb3-4fc5-baa9-af1bb8036796%40aklaver.com>
Precedence: bulk

On 11/25/24 19:07, shashidhar Reddy wrote:
> Hi Adrian,
> 
> Thank you for your response.
> 
> I don't think index corrupted as I can generate the ddl script from the 

What DDL script?

> index and the index is still in use when we query.

See Tom Lanes post for more detail. Short version the index will still 
'work' except for the part where it lets in duplicate entries.

>   To rebuild the index we are still removing duplicate entries. But 
> nothing found in logs.
> 
> On Mon, 25 Nov, 2024, 9:30 pm Adrian Klaver, <adrian.klaver@aklaver.com 
> <mailto:adrian.klaver@aklaver.com>> wrote:
> 
>     On 11/25/24 00:44, shashidhar Reddy wrote:
>      > Hi Ajit,
>      >
>      > Thank you for your reply!
>      >
>      > The result of the query is same across all servers and yes streaming
>      > replication does not have any issue but the question is how did
>      > duplicate values entered when there unique key in place.
> 
>     Corrupted index?
> 
>     Have you tried doing a REINDEX?
> 
> 
>     -- 
>     Adrian Klaver
>     adrian.klaver@aklaver.com <mailto:adrian.klaver@aklaver.com>
> 

-- 
Adrian Klaver
adrian.klaver@aklaver.com