Re: psql microsecond timing patch

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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> 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

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