[QGIS-Developer] Refactor Fields: save and load mapping configuration

[Régis Haubourg]

2017-11-23 13:35 GMT+01:00 Andreas Neumann <a.neumann at carto.net>:

> Hi Régis,
>
> I agree - it would be good to brainstorm what's missing to have an
> FME-like ETL environment.
>
> I see that you are coming to the Madeira dev meeting. Would be a good
> opportunity for such discussions and then open the QEP in parallel (or open
> it before and work on it).
>
Yep! Do we have already a place in the wiki to wirte that down ? Shall I
add a section in the madeira hackfest page?

BTW: refactor fields isn't such a bad name in my opinion. Perhaps we could
> introduce aliases for algorithms - so that they could be found more easily?
>
+1, better having many aliases than only one name !


> Greetings,
>
> Andreas
>
> On 2017-11-23 09:12, Régis Haubourg wrote:
>
> Hi Andreas,
> I don't have any answer to that particular question, but in many project
> we are working for, it becomes clear that we need to push processing to
> become an ETL, and the field mapping component is clearly a key feature.
> What do you think about opening a QEP and store in there all what's
> currently missing for a clean and easy workflow?
> We clearly will have some funders in 2018.
>
> I see :
>
> # Mapping field alg:
>
>  - rename it to something more easy to find. What about "Field matcher" ?
>  - automap fields using tolerant expression based on heuristics (unaccent,
> lowercase, soundhex or whatever, field order.. )
>  - save and restore config.
>  - Auto restore for same table names
>  - And, the key for fame,  a graphical component for field matching,
> because this is what we all want :)
>
> # database writer :
>  - finely control all SQL options: drop table / recreate / truncate /
> insert / update with where clause
>  - add rollback option to just try without commiting
>  - return all database logs in details
>
> Opinions?
>
> Régis
>
>
> 2017-11-23 9:01 GMT+01:00 Andreas Neumann <a.neumann at carto.net>:
>
>> Hi,
>>
>> The refactor fields algorithm is potentially very powerful.
>>
>> However, I do miss a way to save and load the configuration (or maybe I
>> just haven't found it). I have layers with many fields and I am adding
>> additional fields with expressions.
>>
>> Every time I run it, I have to do the configuration again and again. Is
>> there a way to save and load the mapping configuration? It would save me a
>> lot of time!
>>
>> Thanks,
>> Andreas
>>
>>
>>
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>
>
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