310 lines
8.0 KiB
Plaintext
310 lines
8.0 KiB
Plaintext
[[query-dsl-geo-bounding-box-query]]
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=== Geo Bounding Box Query
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A query allowing to filter hits based on a point location using a
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bounding box. Assuming the following indexed document:
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[source,js]
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--------------------------------------------------
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PUT /my_locations
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{
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"mappings": {
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"location": {
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"properties": {
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"pin": {
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"properties": {
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"location": {
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"type": "geo_point"
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}
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}
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}
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}
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}
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}
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}
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PUT /my_locations/location/1
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{
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"pin" : {
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"location" : {
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"lat" : 40.12,
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"lon" : -71.34
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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// TESTSETUP
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Then the following simple query can be executed with a
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`geo_bounding_box` filter:
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[source,js]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"bool" : {
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"must" : {
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"match_all" : {}
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},
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"filter" : {
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"geo_bounding_box" : {
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"pin.location" : {
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"top_left" : {
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"lat" : 40.73,
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"lon" : -74.1
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},
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"bottom_right" : {
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"lat" : 40.01,
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"lon" : -71.12
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}
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}
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}
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}
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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[float]
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==== Query Options
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[cols="<,<",options="header",]
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|=======================================================================
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|Option |Description
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|`_name` |Optional name field to identify the filter
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|`ignore_malformed` |deprecated[5.0.0,Use `validation_method` instead] Set to `true` to
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accept geo points with invalid latitude or longitude (default is `false`).
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|`validation_method` |Set to `IGNORE_MALFORMED` to
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accept geo points with invalid latitude or longitude, set to
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`COERCE` to also try to infer correct latitude or longitude. (default is `STRICT`).
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|`type` |Set to one of `indexed` or `memory` to defines whether this filter will
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be executed in memory or indexed. See <<geo-bbox-type,Type>> below for further details
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Default is `memory`.
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|=======================================================================
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[float]
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==== Accepted Formats
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In much the same way the geo_point type can accept different
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representation of the geo point, the filter can accept it as well:
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[float]
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===== Lat Lon As Properties
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[source,js]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"bool" : {
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"must" : {
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"match_all" : {}
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},
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"filter" : {
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"geo_bounding_box" : {
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"pin.location" : {
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"top_left" : {
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"lat" : 40.73,
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"lon" : -74.1
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},
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"bottom_right" : {
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"lat" : 40.01,
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"lon" : -71.12
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}
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}
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}
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}
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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[float]
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===== Lat Lon As Array
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Format in `[lon, lat]`, note, the order of lon/lat here in order to
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conform with http://geojson.org/[GeoJSON].
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[source,js]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"bool" : {
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"must" : {
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"match_all" : {}
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},
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"filter" : {
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"geo_bounding_box" : {
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"pin.location" : {
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"top_left" : [-74.1, 40.73],
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"bottom_right" : [-71.12, 40.01]
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}
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}
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}
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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[float]
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===== Lat Lon As String
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Format in `lat,lon`.
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[source,js]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"bool" : {
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"must" : {
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"match_all" : {}
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},
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"filter" : {
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"geo_bounding_box" : {
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"pin.location" : {
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"top_left" : "40.73, -74.1",
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"bottom_right" : "40.01, -71.12"
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}
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}
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}
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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[float]
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===== Geohash
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[source,js]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"bool" : {
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"must" : {
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"match_all" : {}
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},
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"filter" : {
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"geo_bounding_box" : {
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"pin.location" : {
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"top_left" : "dr5r9ydj2y73",
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"bottom_right" : "drj7teegpus6"
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}
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}
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}
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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[float]
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==== Vertices
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The vertices of the bounding box can either be set by `top_left` and
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`bottom_right` or by `top_right` and `bottom_left` parameters. More
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over the names `topLeft`, `bottomRight`, `topRight` and `bottomLeft`
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are supported. Instead of setting the values pairwise, one can use
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the simple names `top`, `left`, `bottom` and `right` to set the
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values separately.
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[source,js]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"bool" : {
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"must" : {
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"match_all" : {}
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},
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"filter" : {
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"geo_bounding_box" : {
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"pin.location" : {
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"top" : 40.73,
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"left" : -74.1,
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"bottom" : 40.01,
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"right" : -71.12
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}
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}
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}
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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[float]
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==== geo_point Type
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The filter *requires* the `geo_point` type to be set on the relevant
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field.
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[float]
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==== Multi Location Per Document
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The filter can work with multiple locations / points per document. Once
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a single location / point matches the filter, the document will be
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included in the filter
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[float]
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[[geo-bbox-type]]
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==== Type
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The type of the bounding box execution by default is set to `memory`,
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which means in memory checks if the doc falls within the bounding box
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range. In some cases, an `indexed` option will perform faster (but note
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that the `geo_point` type must have lat and lon indexed in this case).
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Note, when using the indexed option, multi locations per document field
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are not supported. Here is an example:
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[source,js]
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--------------------------------------------------
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GET /_search
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{
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"query": {
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"bool" : {
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"must" : {
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"match_all" : {}
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},
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"filter" : {
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"geo_bounding_box" : {
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"pin.location" : {
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"top_left" : {
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"lat" : 40.73,
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"lon" : -74.1
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},
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"bottom_right" : {
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"lat" : 40.10,
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"lon" : -71.12
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}
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},
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"type" : "indexed"
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}
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}
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}
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}
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}
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--------------------------------------------------
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// CONSOLE
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[float]
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==== Ignore Unmapped
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When set to `true` the `ignore_unmapped` option will ignore an unmapped field
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and will not match any documents for this query. This can be useful when
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querying multiple indexes which might have different mappings. When set to
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`false` (the default value) the query will throw an exception if the field
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is not mapped.
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