From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | greg(at)turnstep(dot)com, pgsql-patches(at)postgresql(dot)org |
Subject: | Re: psql microsecond timing patch |
Date: | 2001-09-28 19:43:36 |
Message-ID: | 200109281943.f8SJhaf13991@candle.pha.pa.us |
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Lists: | pgsql-patches |
> greg(at)turnstep(dot)com writes:
> > This is a small patch to allow you to time your queries in
> > psql. Myself and some others have been using it and find it
> > useful for telling how long an actual specific query takes,
> > as opposed to EXPLAIN which just does an estimate.
>
> Hmm. Is there any value in this now that we have EXPLAIN ANALYZE?
>
> Microsecond-level timing on the client side seems like a dubious
> proposition anyway ...
FYI, EXPLAIN ANALYZE will appear in 7.2:
test=> EXPLAIN ANALYZE SELECT * FROM pg_class;
NOTICE: QUERY PLAN:
Seq Scan on pg_class (cost=0.00..3.01 rows=101 width=115) (actual
time=0.06..1.97 rows=101 loops=1)
Total runtime: 2.51 msec
EXPLAIN
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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