Re: Hide 'Execution time' in EXPLAIN (COSTS OFF)

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От Tom Lane
Тема Re: Hide 'Execution time' in EXPLAIN (COSTS OFF)
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Msg-id 20954.1401824889@sss.pgh.pa.us
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Ответ на Re: Hide 'Execution time' in EXPLAIN (COSTS OFF)  (Robert Haas <robertmhaas@gmail.com>)
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Robert Haas <robertmhaas@gmail.com> writes:
> On Tue, Jun 3, 2014 at 3:08 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> It seems a little weird to call it a "cost" ... but maybe that
>> ship has sailed given how we're treating the planning-time item.

> Maybe we could make it be controlled by TIMING.  Seems like it fits
> well-enough there.

Yeah, I thought about that too; but that sacrifices capability in the name
of terminological consistency.  The point of TIMING OFF is to not pay the
very high overhead of per-node timing calls ... but that doesn't mean you
don't want the overall runtime.  And it might not be convenient to get it
via client-side measurement.
        regards, tom lane



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