[fpc-pascal] Patch: new XML export for FCL-DB ready for inclusion, issue 19790

Michael Van Canneyt michael at freepascal.org
Wed Jul 27 19:24:33 CEST 2011

On Wed, 27 Jul 2011, Sven Barth wrote:

> On 27.07.2011 14:05, michael.vancanneyt at wisa.be wrote:
>> On Wed, 27 Jul 2011, Ludo Brands wrote:
>>>>> 2. Atom feeds as used by Google.
>>>>> Feel free to take a shot at it :-)
>>>> Do you mean the 0.3 format -
>>> https://secure.wikimedia.org/wikipedia/en/wiki/Atom_%28standard%29#Atom_0.3
>>> AFAIK data exports are all general purpose, ie they represent the
>>> data, and
>>> evenually their schema, as precise as possible without any knowledge
>>> of the
>>> contents. Atoms are specific and need understanding of the contents.
>>> Hence
>>> Reiniers remarks about mapping fields, etc. I understand the interest one
>>> can have being able to export this format but, IMHO, that doesn't
>>> belong in
>>> a data export library. Nice try though :-)
>> Data is just data to me, however it is represented :-)
>> For me, atom feeds are just an 'extra' simple XML mapping:
>> FieldName -> NodePath Possibly with a grouping concept.
>> Still, I will need the Atom export, so eventually it will be made.
>> In fact, Inoussa Ouedraogo (hope I spelled that correct) made a complete
>> SDO
>> implementation in FPC which should be powerful enough to able to handle
>> this.
> Is this SDO "Service Data Objects" which I quickly googled?

It is.

> If so, what exactly is it, what are its strengths?

A uniform way to access all kinds of data. 
You can see it as an alternative to TDataset and friends.

It's quite powerful, really. 
Inoussa has made some nice sample applications.


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