From: | Ron <ronljohnsonjr(at)gmail(dot)com> |
---|---|
To: | pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Re: Same query, same data different plan |
Date: | 2022-10-10 13:44:00 |
Message-ID: | 370be1df-d840-d08c-0cbb-27b4b33a0e1c@gmail.com |
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Lists: | pgsql-general |
How identical is "identical"?
For example, does diff says that "pg_dump --schema-only" of DB1 and DB2 are
perfectly identical?
And are the table counts identical?
On 10/10/22 08:15, Kostas Papadopoulos wrote:
> Hi,
>
> Thank you for responding. My question is not about the performance of a
> specific query. As I wrote, that is already solved.
>
> My question is "how can it be that the same query run in two exactly the
> same databases can have different plans."
>
>
> Kostas Papadopoulos
>
> On 10/10/2022 16:12, Julien Rouhaud wrote:
>> On Mon, Oct 10, 2022 at 04:05:42PM +0300, Kostas Papadopoulos wrote:
>>> Hi,
>>>
>>> Yes, I ran ANALYZE in both databases.
>>
>> Please look at https://wiki.postgresql.org/wiki/Slow_Query_Questions to
>> provide
>> more information.
>
>
--
Angular momentum makes the world go 'round.
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