Re: explain root element for auto-explain

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От Andrew Dunstan
Тема Re: explain root element for auto-explain
Дата
Msg-id 4A89F3D3.3020200@dunslane.net
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Ответ на Re: explain root element for auto-explain  (Andrew Dunstan <andrew@dunslane.net>)
Ответы Re: explain root element for auto-explain  (Tom Lane <tgl@sss.pgh.pa.us>)
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Andrew Dunstan wrote:
>
>
> Tom Lane wrote:
>>
>>
>> * what's the xmlns URL really going to be?
>>   
>
> By convention it refers to a place where you publish the schema for 
> the document type, but it is in fact completely arbitrary, and can 
> refer to a non-existant resource - as long as it is unique - it's just 
> a namespace designator, and from an XML POV has no more semantic 
> significance that a schema name does in SQL.
>
>

One thing I definitely think we should do is to put the namespace URL in 
a header file. Think of it as being a bit like the catversion. 
Hardcoding it in explain.c doesn't seem like a good idea.

cheers

andrew


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