Re: [WIP] showing index maintenance on EXPLAIN
От | Jaime Casanova |
---|---|
Тема | Re: [WIP] showing index maintenance on EXPLAIN |
Дата | |
Msg-id | CAJKUy5hmG-jgsb-iZ0fekn70siQdh+XRNkg4cXBB9yUb6wuhyg@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: [WIP] showing index maintenance on EXPLAIN (Amit Kapila <amit.kapila16@gmail.com>) |
Список | pgsql-hackers |
On Thu, May 8, 2014 at 10:44 PM, Amit Kapila <amit.kapila16@gmail.com> wrote: > On Thu, May 8, 2014 at 12:01 PM, Jaime Casanova <jaime@2ndquadrant.com> wrote: >> On Wed, May 7, 2014 at 10:52 PM, Amit Kapila <amit.kapila16@gmail.com> wrote: >>> >>> Why to capture only for Index Insert/Update and not for Read; is it >>> because Read will be always fast ot implementation complexity? >>> >> EXPLAIN ANALYZE already shows that on any SELECT that uses an index in >> some way. Or are you thinking on something else? > [...] > > Are you referring actual time in above print? > > The actual time is node execution time which in above kind of cases will > be: scanning the index + scanning the heap. I think it is not same what > you are planning to show for Insert/Update case. > ah! good point! my current case is because of write performance, but will look at it a little -- Jaime Casanova www.2ndQuadrant.com Professional PostgreSQL: Soporte 24x7 y capacitación Phone: +593 4 5107566 Cell: +593 987171157
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