Re: difference in query performance due to the inclusion of a polygon geometry field - Mailing list pgsql-general

From Albe Laurenz
Subject Re: difference in query performance due to the inclusion of a polygon geometry field
Date
Msg-id D960CB61B694CF459DCFB4B0128514C208C99D90@exadv11.host.magwien.gv.at
Whole thread Raw
In response to Re: difference in query performance due to the inclusion of a polygon geometry field  (ivan marchesini <ivan.marchesini@gmail.com>)
Responses Re: difference in query performance due to the inclusion of a polygon geometry field  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: difference in query performance due to the inclusion of a polygon geometry field  (Ivan Marchesini <ivan.marchesini@gmail.com>)
List pgsql-general
ivan marchesini wrote:
> Concerning the problem of the same "running time" I'm really surprised
> but I can confirm that the EXPLAIN ANALIZE time is different from the
> query execution time.
> probably it happen something like this:
> http://bytes.com/topic/postgresql/answers/422841-explain-analyze-total-runtime-walltime
> But we have tried to remove the fk constraints without any improvement
> 
> Concerning the client problem, e have tried to execute the query
> directly on the server using psql.
> The difference is still in the order of seconds: around 10 ms VS 5000 ms
> 
> many thanks...
> 
> other suggestions?

As I said -- could the time be spent on the client?

Yours,
Laurenz Albe

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