[QGIS-Developer] Explode HStore algorithm

[wambacher at posteo.de]

Hi

Am 12.05.19 um 17:03 schrieb Enrico Ferreguti:
> You can handle hstore using dedicated maps functions in expressions:
> https://docs.qgis.org/testing/en/docs/user_manual/working_with_vector/expression.html#id25
>
I know, but the solution:

*"In QGIS 3.4*, you can use the |htsore_to_map| expression to get a map
(dictionary) of the hstore field. Then you can use one of the map   
expressions to manipulate it"
(https://gis.stackexchange.com/questions/209421/how-to-categorize-features-based-on-hstore-values-in-qgis#288550)

does not work using QGIS 3.6. I tried this without any success.

There is a solution for 3.6 in the same text, but i can't find any way
to do that.

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