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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">"bestIndexedLevel"</span> : <span class="hljs-number">17</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/120261"</span>,
<span class="hljs-string">"isNewlyCreated"</span> : <span class="hljs-literal">true</span>,
<span class="hljs-string">"maxNumCoverCells"</span> : <span class="hljs-number">8</span>,
<span class="hljs-string">"sparse"</span> : <span class="hljs-literal">true</span>,
<span class="hljs-string">"type"</span> : <span class="hljs-string">"geo"</span>,
<span class="hljs-string">"unique"</span> : <span class="hljs-literal">false</span>,
<span class="hljs-string">"worstIndexedLevel"</span> : <span class="hljs-number">4</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">"121318"</span>,
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/121318"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_YOn1m32--J"</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">"121207"</span>,
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/121207"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_YOn1m3i--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">"121315"</span>,
<span class="hljs-string">"_id"</span> : <span class="hljs-string">"geo/121315"</span>,
<span class="hljs-string">"_rev"</span> : <span class="hljs-string">"_YOn1m32--H"</span>,
<span class="hljs-string">"name"</span> : <span class="hljs-string">"Name/0/-10"</span>,
<span class="hljs-string">"loc"</span> : [
<span class="hljs-number">0</span>,
<span class="hljs-number">-10</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>