ZomboDB version: 4.0
Postgres version: 11.6
Elasticsearch version: 6.5.2

Problem Description:
I'd like to get results back from arbitrary_agg, but it only returns the document count. Or I'm doing something wrong?

SELECT *
FROM zdb.arbitrary_agg(
  'spotlite_zdx',
  dsl.match_all(),
  '{
    "messages" : {
      "filters" : {
        "filters" : [
          { "term" : { "

Consider the following query, where the ?x in the SELECT clause is deliberately unbound:

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
SELECT ?x ?award_received WHERE {
  wd:Q873 wdt:P166 ?award_received
}

The correct result table would have an empty first column (because ?x is unbound) and second column containing all the awar

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