Geographical queries

(farhad) #1

I have several questions regarding geographical queries,

  1. is it possible when doing a shape or polygon query to use the shape or polygon queries of another document, and not have to pass this information through the network, so basically you could refer to a field in another document in your query.

  2. is it possible to make a search on multiple fields in a document that represent coordinates, for example

    } it possible to ask for all the points that fall within a shape or polygon or distance from a point but also specify not to return any point that do or do not fall within another polygon, so basically a Inner join or Left or right join. it possible to combine shape or polygon queries with GeoHashing, for example do a query that says give me all the document that fall within this GeoHash but do or do not fall in this polygon, again a inner join or left or right join scenario.

finally what are the performance implications?

(David Pilato) #2

I think you might want to look at

(farhad) #3

Thanks for your reply, do you have any info on item 3 or 4?

(David Pilato) #4
  1. Yes. I guess with a bool query with a filter clause (for what must match) and a must_not clause for what must not..

  2. I guess so with the same solution I gave in 3. Not an expert on that though...

(system) #5

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