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From: Euler Taveira de Oliveira <[email protected]>
To: Robert Haas <[email protected]>
Cc: [email protected] <[email protected]>
Subject: Re: explain analyze rows=%.0f
Date: Fri, 29 May 2009 00:00:37 -0300
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>

Robert Haas escreveu:
> I have always assumed that there is some very good reason why EXPLAIN
> ANALYZE reports the number of rows as an integer rather than a
> floating point value, but in reading explain.c it seems that the
> reason is just that we decided to round to zero decimal places.  Any
> chance we could reconsider this decision?  I often find myself wanting
> to know the value that is here called ntuples, but rounding
> ntuples/nloops off to the nearest integer loses too much precision.
> 
Don't you think is too strange having, for example, 6.67 rows? I would confuse
users and programs that parses the EXPLAIN output. However, I wouldn't object
to add ntuples to an extended explain output (as discussed in the other thread).


-- 
  Euler Taveira de Oliveira
  http://www.timbira.com/

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