I'm trying to do scripted metric aggregation
http://www.elastic.co/guide/en/elasticsearch/reference/1.x/search-aggregations-metrics-scripted-metric-aggregation.html
using Groovy with Elasticsearch 1.4.4
I've a document model where each parent document can have 0-n nested
documents and I need to list distinct values and count their occurrences.
How can I access nested document field values in a script?
With this map_script fragment:
for (r in doc['_source.nested']) { _agg.agg.add('abc') }
I get an error saying:
"No field found for [_source.nested] in mapping with types [foo]"
I've also tried omitting "_source" from the field name and also doing a
doc.containsKey check for the field but neither seem to work.
marko
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