Hi All,
I would like to be able to search against documents using a geo_shape
filter where the geojson is a nested subdocument and only retrieve the 1
sub document that matched the geographical filter (not the whole document).
I think the docs (specifically nested object type and nested query/filter
docs) state this is possible using join:false. For some reason I can't get
it to work though and I'm convinced its a user error or lack of
understanding.
On ES 90.5 and below is a worked example.
Can someone point me in the right direction please?
Thanks
Clear the deck and create a new index
curl -XDELETE http://localhost:9200/test
{"ok":true,"acknowledged":true}
curl -XPUT http://localhost:9200/test
{"ok":true,"acknowledged":true}
Set a new mapping for the testtype
curl -XPUT http://localhost:9200/test/testtype/_mapping -d '{"testtype":
{"properties": {"entities": {"type": "nested", "properties": {"geometry":
{"tree": "quadtree", "type": "geo_shape","precision": "10m"}}}}}}'
{"ok":true,"acknowledged":true}
Index a new document
curl -XPUT http://localhost:9200/test/testtype/doc1 -d '{"id" : "doc1",
"entities": [{"geometry": {"type" : "Point", "coordinates": [0.0, 0.0]}},
{"geometry": {"type" : "Point", "coordinates": [180.0, 90.0]}}]}'
Query WITH join:false
curl -XGET http://localhost:9200/test/testtype/_search -d '{"query":
{"filtered": {"filter": {"nested" : {"path" : "entities", "join":false,
"filter" : {"geo_shape": {"entities.geometry": {"shape": {"type":
"envelope","coordinates": [[-10.0, 10.0],[10.0, -10.0]]}}}}}},"query":
{"match_all": {}}}}}'
{"took":0,"timed_out":false,"_shards":{"total":5,"successful":5,"failed":0},"hits":{"total":0,"max_score":null,"hits":}}
Query WITHour join:false
curl -XGET http://localhost:9200/test/testtype/_search -d '{"query":
{"filtered": {"filter": {"nested" : {"path" : "entities", "filter" :
{"geo_shape": {"entities.geometry": {"shape": {"type":
"envelope","coordinates": [[-10.0, 10.0],[10.0, -10.0]]}}}}}},"query":
{"match_all": {}}}}}'
{"took":2,"timed_out":false,"_shards":{"total":5,"successful":5,"failed":0},"hits":{"total":1,"max_score":1.0,"hits":[{"_index":"test","_type":"testtype","_id":"doc1","_score":1.0,
"_source" : {"id" : "doc1", "entities": [{"geometry": {"type" : "Point",
"coordinates": [0.0, 0.0]}}, {"geometry": {"type" : "Point", "coordinates":
[180.0, 90.0]}}]}}]}}
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