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

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От Robert Haas
Тема Re: Hide 'Execution time' in EXPLAIN (COSTS OFF)
Дата
Msg-id CA+TgmoZW_qFBmCdJRKJM04P-EmuJzOj=hQL2Dq7KVtPPjK62gQ@mail.gmail.com
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Ответ на Re: Hide 'Execution time' in EXPLAIN (COSTS OFF)  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Tue, Sep 23, 2014 at 1:32 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Sat, Sep 20, 2014 at 4:13 PM, Christoph Berg <cb@df7cb.de> wrote:
>>> Can we have "EXPLAIN (timing off)" in 9.4+ hide the "Planning time"
>>> line? That would even be backwards compatible with 9.x where it would
>>> be a no-op.
>
>> I don't think that'll work becuase:
>
>>         /* check that timing is used with EXPLAIN ANALYZE */
>>         if (es.timing && !es.analyze)
>>                 ereport(ERROR,
>>                                 (errcode(ERRCODE_INVALID_PARAMETER_VALUE),
>>                                  errmsg("EXPLAIN option TIMING
>> requires ANALYZE")));
>
> It looks to me like that would complain about EXPLAIN (TIMING ON),
> not the case Christoph is suggesting.  What he proposes seems a bit
> odd and non-orthogonal, but we could make the code do it if we wanted.

Ah, right.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



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