Re: How to use index in simple select

Adrian Klaver <adrian.klaver@aklaver.com>

From: Adrian Klaver <adrian.klaver@aklaver.com>
To: Andrus <kobruleht2@hot.ee>, pgsql-general <pgsql-general@postgresql.org>
Date: 2025-11-29T17:56:31Z
Lists: pgsql-general
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.klaver@aklaver.com