Hi David,
I won't dare to guarantee no downstream effects of doing so, but I also
agree that there probably shouldn't be any. Lars Helge Øverland is the
authorative source on these types of questions, however, so I'd wait for
his confirmation to proceed. In any case running with invalid UIDs cannot
be guaranteed to not cause issues further down the line, so they should be
changed if possible.
That said, please make yourself familiar with the formatting rules for
UIDs. They are *not* hexadecimal strings as you indicate, but rather two
character groups like so:
The first group is a single lower or upper case ascii letter (A-Za-z).
The second group is ten characters randomly chosen from the set of upper +
lower case letters and numbers from 0 to 9 (A-Za-z0-9).
The UIDs must therefore match the following regex: [A-Za-z][A-Za-z0-9]{10}.
On Wed, Jun 1, 2016 at 5:22 PM, David Siang Fong Oh <d...@thoughtworks.com>
wrote:
> Hi dhis2-devs,
>
> We are in the midst of an upgrade from DHIS v2.19 to v2.22 and have
> encountered the new d2 library, specifically the feature that validates the
> *uids* of objects (must be an 11-character string). The problem we're
> facing is that our metadata in DHIS was initially setup using automated
> scripts and at that time (~2.14) the validation rules in the API around
> *uids* were possibly not as strict. As a result our Organisation Unit
> Levels have invalid *uids* because their length is not 11 characters.
>
> We are considering a database script that updates the *uids* to be valid
> 11-character hexadecimal strings, however we're looking to this mailing
> list to help point out any downstream effects. From inspection of the API
> responses, DB tables, DB indexes and DB foreign keys the organisation unit
> levels seem to be just metadata that attaches domain definitions to each
> level of the organisation unit hierarchy. The important attribute of
> Organisation Unit Levels seems to be *level* which is represented as an
> integer.
>
> Can anybody confirm?
>
> Thanks for your help.
>
> Cheers,
>
> -doh
>
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--
Halvdan Hoem Grelland
Software developer, DHIS 2
University of Oslo
http://www.dhis2.org <https://www.dhis2.org/>
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