Re: How long does it take?

see explain in the docs?

http://www.postgresql.org/idocs/index.php?sql-explain.html


or you could use perls timing modules as well


ttfn


Torbjörn Andersson wrote:
> 
> Does anyone have any good tips on how to measure the time it takes to
> extecute an SQL-statement in psql?
> 
> I'd like to use it in conjunction with EXPLAIN in order to help me determine
> what needs to be optimized as well as checking that my optimization actually
> improved matters...
> 
> Best regards
> 
> Torbjörn Andersson
> ---------------------------------------------------
> Embryo Communication      phone: +46 (0) 31-774 39 11(00)
> Kungsgatan 7a             fax: +46 (0)31 774 07 80
> S-411 19 Göteborg         mobile: 0708-30 70 04
> Sweden                    home: http://www.embryo.se/
>         mail: torbjorn.andersson@embryo.se
> ---------------------------------------------------
> "Att idag tänka annorlunda än igår skiljer den vise från den envise." - John
> Steinbeck
> 
> ---------------------------(end of broadcast)---------------------------
> TIP 2: you can get off all lists at once with the unregister command
>     (send "unregister YourEmailAddressHere" to majordomo@postgresql.org)