Michael Glaesemann <[EMAIL PROTECTED]> writes:
> I took startup time to be the time to return the first row *of the
> first loop*. But it's actually the average startup time to return the
> first row *in each loop*, right?
Correct, just as the total time and tuples returned are averages over a
On Dec 2, 2007, at 19:56 , Tom Lane wrote:
IOW the actual time to get in and out of a node is going to be a
shade more
than is reported.
Thanks, Tom. Should be close enough for jazz.
When I was first going over the Using Explain section, I stumbled a
bit on the startup time/total time/lo
Michael Glaesemann <[EMAIL PROTECTED]> writes:
> I'd like to get confirmation that I'm correctly understanding the
> times given in EXPLAIN ANALYZE.
> ...
> Is this correct?
Looks about right to me. Note that some of what you are calling
"executor overhead" might also be classed as "gettimeofda
