Re: How long does it take?
От | Frank Bax |
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Тема | Re: How long does it take? |
Дата | |
Msg-id | 3.0.6.32.20020213211245.007d65b0@pop6.sympatico.ca обсуждение исходный текст |
Ответ на | How long does it take? (Torbjörn Andersson <tobbe@embryo.se>) |
Ответы |
Re: How long does it take?
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Список | pgsql-sql |
time psql -c "select now()" now ------------------------2002-02-13 21:21:17-05 (1 row) 0.09s real 0.05s user 0.01s system At 08:14 PM 2/13/02 +0100, Torbjög==rn 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) >
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