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arangodb/Documentation/Examples/geoIndexCreateForArrayAttri...

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arangosh&gt; db.geo.ensureIndex({ <span class="hljs-attr">type</span>: <span class="hljs-string">"geo"</span>, <span class="hljs-attr">fields</span>: [ <span class="hljs-string">"loc"</span> ] });
{
<span class="hljs-string">"constraint"</span> : <span class="hljs-literal">false</span>,
<span class="hljs-string">"fields"</span> : [
<span class="hljs-string">"loc"</span>
],
<span class="hljs-string">"geoJson"</span> : <span class="hljs-literal">false</span>,
<span class="hljs-string">"id"</span> : <span class="hljs-string">"geo/24522"</span>,
<span class="hljs-string">"ignoreNull"</span> : <span class="hljs-literal">true</span>,
<span class="hljs-string">"isNewlyCreated"</span> : <span class="hljs-literal">true</span>,
<span class="hljs-string">"sparse"</span> : <span class="hljs-literal">true</span>,
<span class="hljs-string">"type"</span> : <span class="hljs-string">"geo1"</span>,
<span class="hljs-string">"unique"</span> : <span class="hljs-literal">false</span>,
<span class="hljs-string">"code"</span> : <span class="hljs-number">201</span>
}
arangosh&gt; <span class="hljs-keyword">for</span> (i = <span class="hljs-number">-90</span>; i &lt;= <span class="hljs-number">90</span>; i += <span class="hljs-number">10</span>) {
........&gt; <span class="hljs-keyword">for</span> (j = <span class="hljs-number">-180</span>; j &lt;= <span class="hljs-number">180</span>; j += <span class="hljs-number">10</span>) {
........&gt; db.geo.save({ <span class="hljs-attr">name</span> : <span class="hljs-string">"Name/"</span> + i + <span class="hljs-string">"/"</span> + j, <span class="hljs-attr">loc</span>: [ i, j ] });
........&gt; }
........&gt; }
arangosh&gt; db.geo.count();
<span class="hljs-number">703</span>
arangosh&gt; db.geo.near(<span class="hljs-number">0</span>, <span class="hljs-number">0</span>).limit(<span class="hljs-number">3</span>).toArray();
[
{
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"25579"</span>,
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/25579"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_WnWXEca--A"</span>,
<span class="hljs-string">"name"</span> : <span class="hljs-string">"Name/0/0"</span>,
<span class="hljs-string">"loc"</span> : [
<span class="hljs-number">0</span>,
<span class="hljs-number">0</span>
]
},
{
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"25690"</span>,
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/25690"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_WnWXEc2--H"</span>,
<span class="hljs-string">"name"</span> : <span class="hljs-string">"Name/10/0"</span>,
<span class="hljs-string">"loc"</span> : [
<span class="hljs-number">10</span>,
<span class="hljs-number">0</span>
]
},
{
<span class="hljs-string">"_key"</span> : <span class="hljs-string">"25468"</span>,
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/25468"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_WnWXEc---D"</span>,
<span class="hljs-string">"name"</span> : <span class="hljs-string">"Name/-10/0"</span>,
<span class="hljs-string">"loc"</span> : [
<span class="hljs-number">-10</span>,
<span class="hljs-number">0</span>
]
}
]
arangosh&gt; db.geo.near(<span class="hljs-number">0</span>, <span class="hljs-number">0</span>).count();
<span class="hljs-literal">null</span>