Re: how do i find out how long a query took? - Mailing list pgsql-general

From Darren Ferguson
Subject Re: how do i find out how long a query took?
Date
Msg-id Pine.LNX.4.44.0209301251190.9811-100000@thread.crystalballinc.com
Whole thread Raw
In response to Re: how do i find out how long a query took?  (Bruce Momjian <pgman@candle.pha.pa.us>)
Responses Re: how do i find out how long a query took?  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-general
select version();
                           version
-------------------------------------------------------------
 PostgreSQL 7.2.1 on i686-pc-linux-gnu, compiled by GCC 2.96
(1 row)


\timing does not work gives following

oss=> \timing
Showing only tuples.
\t: extra argument 'iming' ignored

Any ideas ??? or was it just 7.2.2??


On Mon, 30 Sep 2002, Bruce Momjian wrote:

> Andy Kriger wrote:
> > Is there a psql function I can call after making a query to find out how
> > long the last query took? (e.g. after running a create index on a table with
> > a lot of records, I would like to know how long it took). I know I could do
> > this using JDBC and wrapping the query in getTimeMillis() but I'm curious if
> > psql has a built-in function or if the client has a utility cmd.
>
> Yes, you can use \timing in psql:
>
>     test=> \timing
>     Timing is on.
>     test=> select * from pg_language;
>      lanname  | lanispl | lanpltrusted | lanplcallfoid | lanvalidator |
>     lanacl
>     ----------+---------+--------------+---------------+--------------+--------
>
>      sql      | f       | t            |             0 |         2248 | {=U}
>      internal | f       | f            |             0 |         2246 | {=}
>      c        | f       | f            |             0 |         2247 | {=}
>     (3 rows)
>
>     Time: 76.83 ms
>
> and in 7.3 we will have log_duration which will send all query
> durations to the server logs.
>
>

--
Darren Ferguson


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