| From: | "Merlin Moncure" <mmoncure(at)gmail(dot)com> |
|---|---|
| To: | "Magnus Hagander" <magnus(at)hagander(dot)net> |
| Cc: | "Andrew Dunstan" <andrew(at)dunslane(dot)net>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, "Bruce Momjian" <bruce(at)momjian(dot)us>, "Gurjeet Singh" <singh(dot)gurjeet(at)gmail(dot)com>, "Michael Glaesemann" <grzm(at)seespotcode(dot)net>, "David Fetter" <david(at)fetter(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: minimal update |
| Date: | 2008-10-21 13:39:09 |
| Message-ID: | b42b73150810210639k255559dek93675d852ec3da09@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Oct 21, 2008 at 9:34 AM, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
> On 20 okt 2008, at 16.51, Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
>>
>> No, it's not just a hack. It's very close to what we'd probably do if we
>> built the facility right into the language, although it does involve the
>> overhead of calling the trigger. However, it performs reasonably well - not
>> surprising since the guts of it is just a memcmp() call.
>>
> In that case, why not put the trigger in core so people can use it easily?
+1
This is hard to get right and a common source of errors.
merlin
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