| From: | Steve Singer <ssinger_pg(at)sympatico(dot)ca> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Florian Pflug <fgp(at)phlo(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: patch for 9.2: enhanced errors |
| Date: | 2011-06-20 02:32:15 |
| Message-ID: | BLU0-SMTP24B6091A730667AFCE6E3DAC6E0@phx.gbl |
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| Thread: | |
| Lists: | pgsql-hackers |
On Sun, 19 Jun 2011, Pavel Stehule wrote:
> Maybe there is second issue (little bit - performance - you have to
> call a output function), But I agree, so this information is very
> interesting and can help.
I am concerned about the performance impact of doing that. Not all
constraints are on int4 columns. Some constraints might be on a geometry
type that is megabytes in side taking a substantial chunk of CPU and
bandwith to convert it into a text representation and then send it back to
the client.
> I am open for any ideas in this direction.
>
> Regards
>
> Pavel
>
>>
>> best regards,
>> Florian Pflug
>>
>>
>
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