Re: patches for items from TODO list

From: Andrew Dunstan <andrew(at)dunslane(dot)net>
To: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: patches for items from TODO list
Date: 2005-05-21 13:15:23
Message-ID: 428F346B.9080108@dunslane.net
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minor nit: the null attribute should take XMLSchema boolean type values:
{true, false, 1, 0}

More importantly, how do you handle array or record type fields? If they
are just opaque text I don't think that's what I at least would want
from XML output routines.

cheers

andrew

Christopher Kings-Lynne wrote:

>> I'm going to second Neil here. This feature becomes useful *only*
>> when there is a certified or de-facto universal standard XML
>> representation for database data. Then I could see a case for it.
>> But there isn't.
>
>
> We've done it in phpPgAdmin (we made up our own standard), and a
> couple of people use it. I also do not think that it should be in the
> backend until there is a standard. Here is what phpPgAdmin produces
> (note NULL handling):
>
> <?xml version="1.0" encoding="UTF-8" ?>
> <data>
> <header>
> <column name="feature_id" type="varchar" />
> <column name="feature_name" type="varchar" />
> <column name="is_supported" type="varchar" />
> <column name="is_verified_by" type="varchar" />
> <column name="comments" type="varchar" />
> </header>
> <records>
> <row>
> <column name="feature_id">PKG000</column>
> <column name="feature_name">Core</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments" null="null"></column>
> </row>
> <row>
> <column name="feature_id">PKG001</column>
> <column name="feature_name">Enhanced datetime
> facilities</column>
> <column name="is_supported">YES</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments" null="null"></column>
> </row>
> <row>
> <column name="feature_id">PKG002</column>
> <column name="feature_name">Enhanced integrity
> management</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments" null="null"></column>
> </row>
> <row>
> <column name="feature_id">PKG003</column>
> <column name="feature_name">OLAP facilities</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments" null="null"></column>
> </row>
> <row>
> <column name="feature_id">PKG004</column>
> <column name="feature_name">PSM</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments">PL/pgSQL is similar.</column>
> </row>
> <row>
> <column name="feature_id">PKG005</column>
> <column name="feature_name">CLI</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments">ODBC is similar.</column>
> </row>
> <row>
> <column name="feature_id">PKG006</column>
> <column name="feature_name">Basic object support</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments" null="null"></column>
> </row>
> <row>
> <column name="feature_id">PKG007</column>
> <column name="feature_name">Enhanced object support</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments" null="null"></column>
> </row>
> <row>
> <column name="feature_id">PKG008</column>
> <column name="feature_name">Active database</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments" null="null"></column>
> </row>
> <row>
> <column name="feature_id">PKG010</column>
> <column name="feature_name">OLAP</column>
> <column name="is_supported">NO</column>
> <column name="is_verified_by" null="null"></column>
> <column name="comments">NO</column>
> </row>
> </records>
> </data>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 5: Have you checked our extensive FAQ?
>
> http://www.postgresql.org/docs/faq
>

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