| From: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
|---|---|
| To: | Tomáš Pospíšil <killteck(at)seznam(dot)cz> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, chmelab(at)gmail(dot)com |
| Subject: | Re: PROPOSAL of xmlvalidate |
| Date: | 2010-11-28 13:43:16 |
| Message-ID: | 4CF25C74.40106@dunslane.net |
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| Thread: | |
| Lists: | pgsql-hackers |
On 11/28/2010 05:33 AM, Tomáš Pospíšil wrote:
> Hi,
>
> I am working on patch adding xmlvalidate() functionality. LibXML 2.7.7 improved DTD, XSD, Relax-NG validation, so using that. I have idea of creating system table for holding DTDs, XSDs, Relax-NGs (similar as on ORACLE).
>
> Is that good idea? If so, how to implement that table? pg_attribute and pg_class had changed guite from PostgresSQL 8.0.
>
>
In the first place you need to tell us why you think it should go in a
catalog table at all. Unless you intend to use some sort of typmod with
the xml type, to indicate the validation object, it seems quite unnecessary.
cheers
andrew
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