I am trying to understand how to select the name of the fields to
return. I have read around but could not find an example for this,
though I have seen that it is a recent feature (https://github.com/
For example I have a document :
For which I would like to pull only its coordinates array. If I try :
error: "ElasticSearchException[No mapping for field
[_source.coordinates] in type [Feature]]"
Any help constructing the right request would be most appreciated.