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<blockquote>
<p>Apache Druid supports two query languages: <a href="/docs/0.18.0/querying/sql.html">Druid SQL</a> and <a href="/docs/0.18.0/querying/querying.html">native queries</a>.
This document describes the native
language. For information about functions available in SQL, refer to the
<a href="/docs/0.18.0/querying/sql.html#scalar-functions">SQL documentation</a>.</p>
</blockquote>
<p>A having clause is a JSON object identifying which rows from a groupBy query should be returned, by specifying conditions on aggregated values.</p>
<p>It is essentially the equivalent of the HAVING clause in SQL.</p>
<p>Apache Druid supports the following types of having clauses.</p>
<h3><a class="anchor" aria-hidden="true" id="query-filters"></a><a href="#query-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>Query filters</h3>
<p>Query filter HavingSpecs allow all <a href="filters.html">Druid query filters</a> to be used in the Having part of the query.</p>
<p>The grammar for a query filter HavingSpec is:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type" : "filter",
            "filter" : &lt;any Druid query filter&gt;
        }
}
</code></pre>
<p>For example, to use a selector filter:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type" : "filter",
            "filter" : {
              "type": "selector",
              "dimension" : "&lt;dimension&gt;",
              "value" : "&lt;dimension_value&gt;"
            }
        }
}
</code></pre>
<p>You can use &quot;filter&quot; HavingSpecs to filter on the timestamp of result rows by applying a filter to the &quot;__time&quot;
column.</p>
<h3><a class="anchor" aria-hidden="true" id="numeric-filters"></a><a href="#numeric-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>Numeric filters</h3>
<p>The simplest having clause is a numeric filter.
Numeric filters can be used as the base filters for more complex boolean expressions of filters.</p>
<p>Here's an example of a having-clause numeric filter:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type": "greaterThan",
            "aggregation": "&lt;aggregate_metric&gt;",
            "value": &lt;numeric_value&gt;
        }
}
</code></pre>
<h4><a class="anchor" aria-hidden="true" id="equal-to"></a><a href="#equal-to" 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>Equal To</h4>
<p>The equalTo filter will match rows with a specific aggregate value.
The grammar for an <code>equalTo</code> filter is as follows:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type": "equalTo",
            "aggregation": "&lt;aggregate_metric&gt;",
            "value": &lt;numeric_value&gt;
        }
}
</code></pre>
<p>This is the equivalent of <code>HAVING &lt;aggregate&gt; = &lt;value&gt;</code>.</p>
<h4><a class="anchor" aria-hidden="true" id="greater-than"></a><a href="#greater-than" 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>Greater Than</h4>
<p>The greaterThan filter will match rows with aggregate values greater than the given value.
The grammar for a <code>greaterThan</code> filter is as follows:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type": "greaterThan",
            "aggregation": "&lt;aggregate_metric&gt;",
            "value": &lt;numeric_value&gt;
        }
}
</code></pre>
<p>This is the equivalent of <code>HAVING &lt;aggregate&gt; &gt; &lt;value&gt;</code>.</p>
<h4><a class="anchor" aria-hidden="true" id="less-than"></a><a href="#less-than" 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>Less Than</h4>
<p>The lessThan filter will match rows with aggregate values less than the specified value.
The grammar for a <code>greaterThan</code> filter is as follows:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type": "lessThan",
            "aggregation": "&lt;aggregate_metric&gt;",
            "value": &lt;numeric_value&gt;
        }
}
</code></pre>
<p>This is the equivalent of <code>HAVING &lt;aggregate&gt; &lt; &lt;value&gt;</code>.</p>
<h3><a class="anchor" aria-hidden="true" id="dimension-selector-filter"></a><a href="#dimension-selector-filter" 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>Dimension Selector Filter</h3>
<h4><a class="anchor" aria-hidden="true" id="dimselector"></a><a href="#dimselector" 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>dimSelector</h4>
<p>The dimSelector filter will match rows with dimension values equal to the specified value.
The grammar for a <code>dimSelector</code> filter is as follows:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
       {
            "type": "dimSelector",
            "dimension": "&lt;dimension&gt;",
            "value": &lt;dimension_value&gt;
        }
}
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="logical-expression-filters"></a><a href="#logical-expression-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>Logical expression filters</h3>
<h4><a class="anchor" aria-hidden="true" id="and"></a><a href="#and" 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>AND</h4>
<p>The grammar for an AND filter is as follows:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type": "and",
            "havingSpecs": [
                {
                    "type": "greaterThan",
                    "aggregation": "&lt;aggregate_metric&gt;",
                    "value": &lt;numeric_value&gt;
                },
                {
                    "type": "lessThan",
                    "aggregation": "&lt;aggregate_metric&gt;",
                    "value": &lt;numeric_value&gt;
                }
            ]
        }
}
</code></pre>
<h4><a class="anchor" aria-hidden="true" id="or"></a><a href="#or" 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>OR</h4>
<p>The grammar for an OR filter is as follows:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
            "type": "or",
            "havingSpecs": [
                {
                    "type": "greaterThan",
                    "aggregation": "&lt;aggregate_metric&gt;",
                    "value": &lt;numeric_value&gt;
                },
                {
                    "type": "equalTo",
                    "aggregation": "&lt;aggregate_metric&gt;",
                    "value": &lt;numeric_value&gt;
                }
            ]
        }
}
</code></pre>
<h4><a class="anchor" aria-hidden="true" id="not"></a><a href="#not" 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>NOT</h4>
<p>The grammar for a NOT filter is as follows:</p>
<pre><code class="hljs css language-json">{
    "queryType": "groupBy",
    "dataSource": "sample_datasource",
    ...
    "having":
        {
        "type": "not",
        "havingSpec":
            {
                "type": "equalTo",
                "aggregation": "&lt;aggregate_metric&gt;",
                "value": &lt;numeric_value&gt;
            }
        }
}
</code></pre>
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