| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Dimitri Fontaine <dfontaine(at)hi-media(dot)com>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: actualised funcs typmod patch |
| Date: | 2009-11-17 18:54:08 |
| Message-ID: | 2278.1258484048@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> 2009/11/17 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>> There are other issues but these are the ones I think we'd need to
>> resolve before not after putting in function typmods. It'd be
>> extremely painful and non-backwards-compatible to change our minds
>> later about function identity or coercion rules.
> I am sure, so this patch cannot break any current code.
My point is that if we release 8.5 with these semantics (which as far
as I can tell were not designed, but just fell out of what made for the
shortest patch) then we'll be stuck with them thereafter.
regards, tom lane
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