Re: How to use index in simple select

From: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
To: Andrus <kobruleht2(at)hot(dot)ee>, pgsql-general <pgsql-general(at)postgresql(dot)org>
Subject: Re: How to use index in simple select
Date: 2025-11-29 17:56:31
Message-ID: 8d872370-4d70-4398-b234-fe60a740032a@aklaver.com
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On 11/29/25 09:47, Andrus wrote:
> Hi!
>
>> Seems to be already answered:
>>
>> "It looks like reindex table firma2.klient restored index scan. create
>> index concurrently was used when lot of transactions using this table
>> where running"
>>
> Is it possible that reindex changes query from sequential scan to use
> index ?

More likely it was one of the build index concurrently caveats detailed
here:

https://www.postgresql.org/docs/current/sql-createindex.html#SQL-CREATEINDEX-CONCURRENTLY

>
> Andrus.
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

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