[Lizmap] Sum for selection

Nicolas Boisteault nboisteault at 3liz.com
Thu Oct 7 06:40:44 PDT 2021

Hi Paolo,

attribute table in Lizmap is based on datatables library.

You'll have to dig in the API and forum to get desired behavior.

Here is a hint I found after a quick search : 


Le 04/10/2021 à 08:41, Paolo Cavallini a écrit :
> Hi all,
> we would need a function apparently not present in the base functions:
> unce selected a series of features, display not only the data from the
> table, but also the sum for some variables.
> I'm wrapping my head around this, and I cannot find a clean solution.
> I see three main routes:
> * through QGIS expressions (unsure it is feasible)
> * with PostGIS views (how to show only selected?)
> * with JavaScript.
> The last one seems the most promising: am I correct? Any hint on how to
> start?
> Thanks for any suggestion.
> Cheers.

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