Elastic Search - display all distinct values of an array


(CC) #1

For a field mapped as string I have stored list of strings in the ES index,
for ex:

subject: ["Scientific Research", "Numerical Analysis", "History of Art"]

I would like to query this field and retrieve the full names of categories
with their frequency count. What I tried so far with facets:

"query":{
"match_all": {}
},
"facets":{
"tag":{
"terms":{
"field":"subject"}
}
}

is not working as expected because it splits my subject fields into tokens
and returns me the top most frequent stopwords. How can I get full entries
ordered by counts for an analyzed field, and not only the top 10, if
possible? Thanks!

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(system) #2