Overpass query number of objects touched by user

Question

Is it possible to build a query that just returns the number of objects of a certain type in a certain area? Possible use case: define some things that require local knowledge, run query, get a toplist of people who have been working on those things. Find local mappers! (you could even query only things that are at version 1 to have higher probability that it's original mapping) I didn't get further than this: http://overpass-turbo.eu/s/B12

Also: is this much heavier for the servers than running the query and doing the counting client-side?

Accepted Answer

So the for loop does work on user:

[out:csv(user,total,nodes,ways,relations)][timeout:25];
{{geocodeArea:Antwerpen}}->.searchArea;
(
  way["building"="hotel"](area.searchArea);
  relation["building"="hotel"](area.searchArea);
  node["tourism"="hotel"](area.searchArea);
  way["tourism"="hotel"](area.searchArea);
  relation["tourism"="hotel"](area.searchArea);
);
for (user()){
    make stat 
     "user"=_.val,
     nodes=count(nodes),
     ways=count(ways),
     relations=count(relations),
     total = count(nodes) + count(ways) + count(relations);
    out;
};

Overpass query number of objects touched by user

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