I would like to retrieve statistical data about a string field like the
min, max and average length (by counting the number of characters inside
the string). I am using CURL to do this and I have what I have tried so far
"query":{
"match_all": {}
},
"facets":{
"stats":{
"statistical":{
"field":"title"}
}
}
returns me exception because the facet expects a number field. How can I
achieve my goal? Thanks!
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