You're (unintentionally) circling back to discussions re AQL in the last
SEC meeting in Slovenia (I was sitting in remotely)

What you're asking for can be accomplished in a number of ways at the AQL
level, all of which would require changes to AQL specs and implementations.
I'm always happy to discuss these but I suspect it deserves its own thread
:) Hint for subject: How to resolve object references with AQL?

All the best
Seref


On Mon, Aug 20, 2018 at 10:21 AM, Ian McNicoll <[email protected]> wrote:

> Yup but AQL is so cool for this kind of thing :)
>
> I still want to do
>
> Select c FROM EHR Contains folder x contains composition c
>
> since logically folder x contains compositions.
>
> Ian
>
>
>
> Dr Ian McNicoll
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>
> Co-Chair, openEHR Foundation [email protected]
> Director, freshEHR Clinical Informatics Ltd.
> Director, HANDIHealth CIC
> Hon. Senior Research Associate, CHIME, UCL
>
>
> On Mon, 20 Aug 2018 at 10:14, Thomas Beale <[email protected]>
> wrote:
>
>> Well if you have access to a Folder, you don't need to do an AQL query,
>> you can just retrieve the Folder structure and recurse through it,
>> picking up direct refs to VERSIONED_COMPOSITIONs.
>>
>> Creating Folders from the data on the other hand requires writing some
>> queries that look for admissions and discharges, matching them up, and
>> generating a Folder for each pair, named after the institution and/or
>> dates of the stay.  A bit messy, but not hard to do, if one wants to
>> post hoc add Folders to 'old' EHRs that never had them.
>>
>> - thomas
>>
>>
>> On 20/08/2018 10:07, Ian McNicoll wrote:
>> > Thanks Thomas,
>> >
>> > What are your thoughts on the AQL example I foolishly guessed at :(
>> > and that Seref quite correctly rejected!!
>> >
>> > How would/should we do...
>> >
>> > Select all compositions referenced by Folder x.
>>
>>
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