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<h1 class="refname">CollectionFind::having</h1>
<p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">CollectionFind::having</span> — <span class="dc-title">Set condition for aggregate functions</span></p>
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<div class="refsect1 description" id="refsect1-mysql-xdevapi-collectionfind.having-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><span class="type mysql_xdevapi\CollectionFind">mysql_xdevapi\CollectionFind</span></span> <span class="methodname"><strong>mysql_xdevapi\CollectionFind::having</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$sort_expr</code></span>
)</div>
<p class="para rdfs-comment">
This function can be used after the 'field' operation in order to make a selection on the documents to extract.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-mysql-xdevapi-collectionfind.having-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">sort_expr</code></dt>
<dd>
<p class="para">
This must be a valid SQL expression, the use of aggreate functions is allowed
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-mysql-xdevapi-collectionfind.having-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
CollectionFind object that can be used for further processing
</p>
</div>
<div class="refsect1 examples" id="refsect1-mysql-xdevapi-collectionfind.having-examples">
<h3 class="title">Examples</h3>
<div class="example" id="example-2002">
<p><strong>Example #1 <span class="function"><strong>mysql_xdevapi\CollectionFind::having()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /><br /></span><span style="color: #FF8000">//Assuming $coll is a valid Collection object<br /><br />//Find all the documents for which the 'age' is greather than 40,<br />//Only the columns 'name' and 'age' are returned in the Result object<br /></span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">$coll</span><span style="color: #007700">-></span><span style="color: #0000BB">find</span><span style="color: #007700">()-></span><span style="color: #0000BB">fields</span><span style="color: #007700">([</span><span style="color: #DD0000">'name'</span><span style="color: #007700">,</span><span style="color: #DD0000">'age'</span><span style="color: #007700">])-></span><span style="color: #0000BB">having</span><span style="color: #007700">(</span><span style="color: #DD0000">'age > 40'</span><span style="color: #007700">)-></span><span style="color: #0000BB">execute</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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