Re: Possible mistake in 'Using EXPLAIN' section - Mailing list pgsql-docs

From Tom Lane
Subject Re: Possible mistake in 'Using EXPLAIN' section
Date
Msg-id 13020.1192018254@sss.pgh.pa.us
Whole thread Raw
In response to Possible mistake in 'Using EXPLAIN' section  ("James Shaw" <js102@zepler.net>)
Responses Re: Possible mistake in 'Using EXPLAIN' section
List pgsql-docs
"James Shaw" <js102@zepler.net> writes:
> The example given has "Seq Scan on tenk1 (cost=0.00..458.00" in the example,
> but then says, "you will find out that tenk1 has 358 disk pages" and "the
> cost is estimated at 358 page reads".  Shouldn't this be 458 disk page
> reads?

No.  Why did you stop reading in mid-sentence?

            regards, tom lane

pgsql-docs by date:

Previous
From: Guillaume Lelarge
Date:
Subject: Re: Possible mistake in 'Using EXPLAIN' section
Next
From: "James Shaw"
Date:
Subject: Re: Possible mistake in 'Using EXPLAIN' section