Re: Same query, same data different plan - Mailing list pgsql-general

From Kostas Papadopoulos
Subject Re: Same query, same data different plan
Date
Msg-id 8da58bc7-a01a-0168-3d49-062258ac82ec@methodosit.com.cy
Whole thread Raw
In response to Re: Same query, same data different plan  (Daevor The Devoted <dollien@gmail.com>)
Responses Re: Same query, same data different plan
List pgsql-general
Hi,

Yes, I ran ANALYZE in both databases.


Kostas

On 10/10/2022 16:03, Daevor The Devoted wrote:
> Hi
> 
> Is the table stats up to date on both?
> 
> https://www.postgresql.org/docs/current/planner-stats.html
> 
> Best regards,
> Na-iem Dollie
> 
> On Mon, Oct 10, 2022 at 2:56 PM Kostas Papadopoulos <
> kostas@methodosit.com.cy> wrote:
> 
>>
>> I have two identical databases running in the same instance of Postgresql.
>> Ran
>> analyze on both. Running the same query I'm getting different plans, one
>> x10 slower.
>> Although I have solved my problem by re-writing the query, I want to
>> understand why
>> this is happening. If the configuration, Postgresql version, schema and
>> data are the
>> same, what other factors is the planner considering?
>>
>> --
>>
>> Kostas Papadopoulos
>> KE MethodosIT
>>
>>
>>
>>
> 



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