| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)hotmail(dot)com>, pgsql-patches(at)postgresql(dot)org |
| Subject: | Re: SQL/XML publishing function experimental patch |
| Date: | 2005-09-12 14:33:43 |
| Message-ID: | 432591C7.4020905@dunslane.net |
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| Thread: | |
| Lists: | pgsql-patches |
Tom Lane wrote:
>Is it really necessary to hack up the grammar for this? Seems like
>you should create ordinary functions to manipulate the datatype(s).
>If every datatype thought it could do this sort of thing, we'd have
>a completely unmanageable grammar.
>
>
>
Can we do variadic functions without hacking the grammar? My impression
was that we could not. Maybe we need a generic mechanism for that?
Peter said here (more or less uncontradicted) that hacking the grammar
would be required for these functions:
http://archives.postgresql.org/pgsql-hackers/2004-01/msg00758.php
cheers
andrew
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