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<blockquote>
<p>Apache Druid supports two query languages: <a href="/docs/latest/querying/sql.html">Druid SQL</a> and <a href="/docs/latest/querying/querying.html">native queries</a>.
This document describes functionality that is only available in the native language.</p>
</blockquote>
<p>Apache Druid supports filtering specially spatially indexed columns based on an origin and a bound.</p>
<h2><a class="anchor" aria-hidden="true" id="spatial-indexing"></a><a href="#spatial-indexing" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Spatial indexing</h2>
<p>In any of the data specs, there is the option of providing spatial dimensions. For example, for a JSON data spec, spatial dimensions can be specified as follows:</p>
<pre><code class="hljs css language-json">{
    <span class="hljs-attr">"type"</span>: <span class="hljs-string">"hadoop"</span>,
    <span class="hljs-attr">"dataSchema"</span>: {
        <span class="hljs-attr">"dataSource"</span>: <span class="hljs-string">"DatasourceName"</span>,
        <span class="hljs-attr">"parser"</span>: {
            <span class="hljs-attr">"type"</span>: <span class="hljs-string">"string"</span>,
            <span class="hljs-attr">"parseSpec"</span>: {
                <span class="hljs-attr">"format"</span>: <span class="hljs-string">"json"</span>,
                <span class="hljs-attr">"timestampSpec"</span>: {
                    <span class="hljs-attr">"column"</span>: <span class="hljs-string">"timestamp"</span>,
                    <span class="hljs-attr">"format"</span>: <span class="hljs-string">"auto"</span>
                },
                <span class="hljs-attr">"dimensionsSpec"</span>: {
                    <span class="hljs-attr">"dimensions"</span>: [],
                    <span class="hljs-attr">"spatialDimensions"</span>: [{
                        <span class="hljs-attr">"dimName"</span>: <span class="hljs-string">"coordinates"</span>,
                        <span class="hljs-attr">"dims"</span>: [<span class="hljs-string">"lat"</span>, <span class="hljs-string">"long"</span>]
                    }]
                }
            }
        }
    }
}
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="spatial-filters"></a><a href="#spatial-filters" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Spatial filters</h2>
<table>
<thead>
<tr><th>property</th><th>description</th><th>required?</th></tr>
</thead>
<tbody>
<tr><td>dimName</td><td>The name of the spatial dimension. A spatial dimension may be constructed from multiple other dimensions or it may already exist as part of an event. If a spatial dimension already exists, it must be an array of coordinate values.</td><td>yes</td></tr>
<tr><td>dims</td><td>A list of dimension names that comprise a spatial dimension.</td><td>no</td></tr>
</tbody>
</table>
<p>The grammar for a spatial filter is as follows:</p>
<pre><code class="hljs css language-json">"filter" : {
    "type": "spatial",
    "dimension": "spatialDim",
    "bound": {
        "type": "rectangular",
        "minCoords": [10.0, 20.0],
        "maxCoords": [30.0, 40.0]
    }
}
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="bound-types"></a><a href="#bound-types" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Bound types</h3>
<h4><a class="anchor" aria-hidden="true" id="rectangular"></a><a href="#rectangular" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>rectangular</code></h4>
<table>
<thead>
<tr><th>property</th><th>description</th><th>required?</th></tr>
</thead>
<tbody>
<tr><td>minCoords</td><td>List of minimum dimension coordinates for coordinates [x, y, z, …]</td><td>yes</td></tr>
<tr><td>maxCoords</td><td>List of maximum dimension coordinates for coordinates [x, y, z, …]</td><td>yes</td></tr>
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="radius"></a><a href="#radius" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>radius</code></h4>
<table>
<thead>
<tr><th>property</th><th>description</th><th>required?</th></tr>
</thead>
<tbody>
<tr><td>coords</td><td>Origin coordinates in the form [x, y, z, …]</td><td>yes</td></tr>
<tr><td>radius</td><td>The float radius value</td><td>yes</td></tr>
</tbody>
</table>
<h4><a class="anchor" aria-hidden="true" id="polygon"></a><a href="#polygon" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><code>polygon</code></h4>
<table>
<thead>
<tr><th>property</th><th>description</th><th>required?</th></tr>
</thead>
<tbody>
<tr><td>abscissa</td><td>Horizontal coordinate for corners of the polygon</td><td>yes</td></tr>
<tr><td>ordinate</td><td>Vertical coordinate for corners of the polygon</td><td>yes</td></tr>
</tbody>
</table>
</span></div></article></div><div class="docs-prevnext"><a class="docs-prev button" href="/docs/latest/querying/virtual-columns.html"><span class="arrow-prev">← </span><span>Virtual columns</span></a><a class="docs-next button" href="/docs/latest/configuration/index.html"><span>Configuration reference</span><span class="arrow-next"> →</span></a></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#spatial-indexing">Spatial indexing</a></li><li><a href="#spatial-filters">Spatial filters</a><ul class="toc-headings"><li><a href="#bound-types">Bound types</a></li></ul></li></ul></nav></div><footer class="nav-footer druid-footer" id="footer"><div class="container"><div class="text-center"><p><a href="/technology">Technology</a> · <a href="/use-cases">Use Cases</a> · <a href="/druid-powered">Powered by Druid</a> · <a href="/docs/latest/latest">Docs</a> · <a href="/community/">Community</a> · <a href="/downloads.html">Download</a> · <a href="/faq">FAQ</a></p></div><div class="text-center"><a title="Join the user group" href="https://groups.google.com/forum/#!forum/druid-user" target="_blank"><span class="fa fa-comments"></span></a> · <a title="Follow Druid" href="https://twitter.com/druidio" target="_blank"><span class="fab fa-twitter"></span></a> · <a title="Download via Apache" href="https://www.apache.org/dyn/closer.cgi?path=/incubator/druid/{{ site.druid_versions[0].versions[0].version }}/apache-druid-{{ site.druid_versions[0].versions[0].version }}-bin.tar.gz" target="_blank"><span class="fas fa-feather"></span></a> · <a title="GitHub" href="https://github.com/apache/druid" target="_blank"><span class="fab fa-github"></span></a></div><div class="text-center license">Copyright © 2019 <a href="https://www.apache.org/" target="_blank">Apache Software Foundation</a>.<br/>Except where otherwise noted, licensed under <a rel="license" href="http://creativecommons.org/licenses/by-sa/4.0/">CC BY-SA 4.0</a>.<br/>Apache Druid, Druid, and the Druid logo are either registered trademarks or trademarks of The Apache Software Foundation in the United States and other countries.</div></div></footer></div><script type="text/javascript" src="https://cdn.jsdelivr.net/docsearch.js/1/docsearch.min.js"></script><script>
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