On 12/12/17 07:02, blaz@merela.org wrote:
> The following documentation comment has been logged on the website:
>
> Page: https://www.postgresql.org/docs/10/static/using-explain.html
> Description:
>
> "The costs of the loop node are then set on the basis of the cost of the
> outer scan, plus one repetition of the inner scan for each outer row (10 *
> 7.87, here), plus a little CPU time for join processing."
>
> Shouldn't it be "10 * 7.91" inside the braces?
Yes. That wasn't updated when the EXPLAIN output was regenerated some
time ago. Do you see any other numbers in the next that don't match the
EXPLAIN output?
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services