ExAliyunOts.Search.geo_distance_sort
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geo_distance_sort
, go back to ExAliyunOts.Search module for more information.
Specs
geo_distance_sort(field_name(), points :: list(), options()) :: map()
Geographic distance sorting, according to the sum of distances between to the input geographical points, sort by the minimum/maximum/average summation value.
Example
import MyApp.TableStore
search "table", "index_name",
search_query: [
query: geo_distance_query("location", 500_000, "5,5"),
sort: [
geo_distance_sort("location", ["5.14,5.21"], order: :asc)
]
]
The input points are a list of string, each format as "$latitude,$longitude".
Options
:order
, optional, available options are:asc
|:desc
;:mode
, optional, used for nested type field within integer or float, as:min
will sort by the minimum value of items, as:max
will sort by the maximum value of items, as:avg
will sort by the average value of items, by default it's:nil
;:distance_type
, optional, available options are:arc
|:plane
, as:arc
means distance calculated by arc surface, as:plane
means distance calculated by plane.