dhis2-devs team mailing list archive

[Morten Olav Hansen <morten@xxxxxxxxx>]

Hi Vanya :)

I'm currently looking into the import issues (from the other email also),
will try and reproduce and will let you know if I need more information
from you.

-- 
Morten Olav Hansen
Senior Engineer, DHIS 2
University of Oslo
http://www.dhis2.org

On Mon, Oct 24, 2016 at 3:54 PM, Vanya Seth <vanyas@xxxxxxxxxxxxxxxx> wrote:

> HI Morten
>
> Hope you are doing well.
>
> Can you please have a look at these issues as well?
>
> Regards
> Vanya
>
> On Fri, Oct 21, 2016 at 3:15 PM, Aamer Mohammed <aamerm@xxxxxxxxxxxxxxxx>
> wrote:
>
>> Hi Lars/Morten,
>>
>> Recently we did a DHIS upgrade test to upgrade our instances from 2.21 to
>> 2.24. We started with 2.21 instance having good amount of metadata. We
>> sequentially upgraded that instance to 2.24 by following the upgrade
>> scripts for each DHIS version.
>> From that upgraded instance, an export was taken using the new exporter
>> (/api/24/metadata). It was then imported to another fresh instance on 2.24
>> using the new importer. Below are our findings.
>>
>> 1) Most of the blockers were due to introducing of new constraints
>> across DHIS versions. The upgraded instance did not have these constraints
>> but the new fresh instance had them so it was preventing the import.
>> ex: shortName in dataelements table became unique
>> numerator is required for all indicators
>> dataelement_operand_unique_key (it is removed now)
>> We manually corrected our data so it abides as per the constraints. *The
>> list of constraints introduced in a DHIS version would be part of upgrade
>> notes. Is this a right assumption?*
>>
>> 2) Allow for many-to-many between Group and GroupSet. If we have groups
>> which are part of multiple group sets, Hibernate will create duplicate
>> GroupSets and it results in database integrity issue when importing.
>> We manually corrected the data and ensured one to one mapping between
>> them to proceed further. *When do we plan to have the many-to-many
>> mapping between Group and GroupSet?*
>>
>> 3) Error importing Charts, Report Tables, Event charts, Event reports.
>> We excluded these metadata types from the export.json to continue
>> further. We are unable to import these in 2.25 also. *Please do inform
>> us once the fix is done in 2.25 so that we can retest.*
>>
>> 4) When we update a new DHIS war, the instance is migrated to new DHIS
>> version. But if existing data in our instance does not abide by the new
>> constraints, the new constraints are not applied in our upgraded instance.
>> So effectively it is not pure DHIS upgrade. So ideally, before applying the
>> war file we should modify our data to abide the new constraints. *Is
>> this a right assumption?*
>>
>> Please suggest.
>>
>> Thanks
>> Aamer.
>>
>> _______________________________________________
>> Mailing list: https://launchpad.net/~dhis2-devs
>> Post to     : dhis2-devs@xxxxxxxxxxxxxxxxxxx
>> Unsubscribe : https://launchpad.net/~dhis2-devs
>> More help   : https://help.launchpad.net/ListHelp
>>
>>
>
>
> --
> With Regards
> ThoughtWorks Technologies
> Hyderabad
>
> --Stay Hungry Stay Foolish!!
>